interrogate
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C1 verb /ɪnˈterəˌɡeɪt/

interrogate

verhören
Meaning
to ask someone questions in a thorough and formal way; to question intensively
Example
The police interrogated the suspect for hours.
Die Polizei hat den Verdächtigen stundenlang verhört.
C1 noun ˌɪrɪˈvɜːrsəbl ˈdæmɪdʒ

irreversible damage

unwiederbringlicher Schaden
Meaning
Harm or injury that cannot be undone or repaired.
Example
Climate change causes irreversible damage to ecosystems.
Der Klimawandel verursacht unwiederbringlichen Schaden an Ökosystemen.
C1 noun /ˈɪnflʌks/

influx

Zufluss
Meaning
A large arrival or flow of people or things.
Example
The city experienced an influx of tourists during the festival.
Die Stadt erlebte einen Zufluss von Touristen während des Festivals.
C1 adjective /ɪnˈflæməˌtɔːri/

inflammatory

Glück
Meaning
causing inflammation in the body; arousing anger, hostility, or strong emotion
Example
His inflammatory speech triggered protests across the city.
Sie konnte ihr Glück nicht verbergen, als sie den Preis erhielt.
C1 adjective /ˌɪnədˈvaɪzəbl/

inadvisable

nicht ratsam
Meaning
Not recommended; likely to have undesirable consequences.
Example
It is inadvisable to drive in such heavy rain.
Es ist nicht ratsam, bei solchem starken Regen zu fahren.
C1 noun /ˈɪn.tə.lekt/

intellect

Intellekt
Meaning
The ability to think, reason, and understand objectively.
Example
Her intellect is admired by all her colleagues.
Ihr Intellekt wird von allen ihren Kollegen bewundert.
C1 adjective /ɪˈræʃənəl/

irrational

irrational
Meaning
not logical or reasonable; lacking clear thought
Example
His fear of the dark was completely irrational.
Seine Angst vor der Dunkelheit war völlig irrational.
C1 adjective /ɪnˈsɪstənt/

insistent

nachdrücklich
Meaning
demanding something firmly and refusing to accept no
Example
The child was insistent on getting a new toy.
Das Kind war nachdrücklich, ein neues Spielzeug zu bekommen.
C1 noun /ˌɪn.səˌbɔːr.dɪˈneɪ.ʃən/

insubordination

Ungehorsam
Meaning
Defiance of authority; refusal to obey orders.
Example
The soldier was punished for insubordination during the mission.
Der Soldat wurde für Ungehorsam während der Mission bestraft.
C1 adjective /ɪˈnɛpt/

inept

ungeschickt
Meaning
lacking skill or ability; clumsy or incompetent
Example
His inept handling of the situation made it worse.
Sein ungeschicktes Handling der Situation machte sie schlimmer.
C1 adjective ɪnˈkʌm.bənt

incumbent

verpflichtend
Meaning
necessary for (someone) as a duty or responsibility.
Example
It is incumbent upon all citizens to obey the law.
Es ist für alle Bürger verpflichtend, das Gesetz zu befolgen.
C1 verb /ˈɪnfɪltreɪt/

infiltrate

infiltrieren
Meaning
to secretly enter or gain access to a place or group
Example
The spies managed to infiltrate the enemy base.
Die Spione schafften es, die feindliche Basis zu infiltrieren.
C1 noun /ˌɪntəkəˈnɛktɪvɪti/

interconnectivity

Interkonnektivität
Meaning
The state of being interconnected or the degree of connectivity between components
Example
The rise of interconnectivity has transformed global communication.
Der Aufstieg der Interkonnektivität hat die weltweite Kommunikation verändert.
C1 noun /ɪnˈfɜːrnoʊ/

inferno

Brand
Meaning
a large, intense fire that is dangerously out of control
Example
The building turned into an inferno within minutes.
Das Gebäude verwandelte sich in ein Inferno innerhalb von Minuten.
C1 adjective ɪˈluː.sər.i

illusory

illusorisch
Meaning
Based on illusion; not real although seeming to be.
Example
His sense of security was entirely illusory.
Sein Gefühl der Sicherheit war völlig illusorisch.
C1 verb /ɪnˈvɜːrt/

invert

umkehren
Meaning
To turn something upside down or in the opposite position, order, or direction.
Example
He inverted the glass to let the water drain out.
Er hat das Glas umgedreht, um das Wasser abfließen zu lassen.
C1 verb /ɪnˈfrɪndʒ/

infringe

verletzen
Meaning
To actively break the terms of a law, agreement, or right.
Example
Copying this software without permission will infringe copyright laws.
Das Kopieren dieser Software ohne Erlaubnis wird gegen das Urheberrecht verstoßen.
C1 noun /ɪmˈbæl.əns/

Imbalance

Ungleichgewicht
Meaning
lack of proportion or relation between corresponding things; unequal distribution
Example
The doctor said the patient's dizziness was caused by an inner ear imbalance.
Der Arzt sagte, dass die Schwindelgefühle des Patienten durch ein Ungleichgewicht im Innenohr verursacht wurden.
C1 noun ɪnˈdɪdʒɪnəs trəˈdɪʃənz

Indigenous Traditions

Indigene Traditionen
Meaning
Cultural practices, beliefs, and customs that have been passed down through generations among native peoples.
Example
Indigenous traditions in the Chittagong Hill Tracts are unique.
Die indigenen Traditionen in den Chittagong Hill Tracts sind einzigartig.
C1 adjective ˈɪn.lənd

Inland

Binnen
Meaning
Situated in the interior of a country; away from the coast.
Example
Inland transport boosts local trade.
Binnenverkehr fördert den lokalen Handel.
C1 noun /ˌɪnklɪˈneɪʃən/

inclination

Neigung
Meaning
A natural tendency or urge to act or feel in a particular way.
Example
She has an inclination towards helping others.
Sie hat eine Neigung, anderen zu helfen.
C1 noun ˌɪn.fɪlˈtreɪ.ʃən

infiltration

Infiltration, heimlicher Zugang
Meaning
The process of entering or gaining access to an organization or place surreptitiously.
Example
Cybersecurity prevents infiltration into sensitive data.
Cybersicherheit verhindert die Infiltration in sensible Daten.
C1 noun /ˌɪntərˌɒpərəˈbɪləti/

interoperability

Interoperabilität
Meaning
The ability of computer systems or software to exchange and make use of information.
Example
The interoperability of different software systems ensures seamless workflow.
Die Interoperabilität verschiedener Softwaresysteme gewährleistet einen nahtlosen Arbeitsablauf.
C1 adjective /ɪnˈdʌldʒənt/

indulgent

nachsichtig
Meaning
Having a tendency to be overly generous or lenient with someone.
Example
The indulgent mother allowed her child to stay up late.
Die nachsichtige Mutter ließ ihr Kind lange aufbleiben.
C1 verb /ɪnˈfjʊərieɪt/

infuriate

wütend machen
Meaning
To make someone extremely angry.
Example
His careless remarks infuriated the entire team.
Seine unbedachten Bemerkungen haben das ganze Team wütend gemacht.
C1 noun /ˌɪndɪɡˈneɪʃən/

indignation

Empörung
Meaning
Strong displeasure or anger caused by something unjust, offensive, or insulting.
Example
Public indignation grew after the unfair verdict.
Öffentliche Empörung wuchs nach dem ungerechten Urteil.
C1 adjective /ˈɪntrɪkət/

intricate

komplex
Meaning
very detailed, complex, and difficult to understand
Example
The artist created an intricate pattern on the wall.
Der Künstler hat ein komplexes Muster an die Wand gemalt.
C1 noun /ˌɪnkənˈsɪstənsi/

inconsistency

Inkonsistenz
Meaning
The quality of being contradictory, irregular, or not staying the same.
Example
There is an inconsistency between his words and actions.
Es gibt eine Inkonsistenz zwischen seinen Worten und Taten.
C1 adjective ˌɪn.krəˈmen.təl

incremental

inkrementell
Meaning
Relating to or denoting an increase or addition, especially one of a series on a fixed scale; proceeding in small stages.
Example
Incremental changes ensure sustainability.
Inkrementelle Veränderungen gewährleisten Nachhaltigkeit.
C1 adjective /ˈɪnsjələr/

insular

engstirnig, inselbezogen
Meaning
Narrow-minded, isolated, or relating to an island.
Example
The community was criticized for its insular attitudes toward outsiders.
Die Gemeinschaft wurde für ihre insularen Einstellungen gegenüber Außenseitern kritisiert.
C1 adjective /aɪˈreɪt/

irate

zornig
Meaning
Extremely angry.
Example
The customer became irate after waiting for hours.
Der Kunde wurde zornig, nachdem er stundenlang gewartet hatte.
C1 noun /ɪnˈsæn.ə.ti/

Insanity

Wahnsinn; Geisteskrankheit
Meaning
the state of being seriously mentally ill; extreme foolishness or irrationality
Example
The defense lawyer argued that his client was not guilty by reason of insanity.
Der Verteidiger argumentierte, dass sein Mandant aufgrund von Wahnsinn nicht schuldig sei.
C1 noun /ˈɪmɪnəns/

imminence

Imminenz, Zustand der Nähe
Meaning
the state of being about to happen
Example
The imminence of the storm forced people to take shelter.
Die Imminenz des Sturms zwang die Menschen, Zuflucht zu suchen.
C1 noun/verb /ˈɪmprɪnt/

imprint

Prägung
Meaning
A mark or impression made by pressure; to establish or fix firmly in someone's mind.
Example
The event left an indelible imprint on the city's history.
Das Ereignis hinterließ eine unauslöschliche Prägung in der Geschichte der Stadt.
C1 adjective /ˌɪn.ɪˈfɛk.tʃu.əl/

ineffectual

ineffektiv
Meaning
Not producing any or the desired effect; lacking the ability or qualities to achieve a purpose.
Example
The manager’s ineffectual leadership caused the team to lose motivation.
Die ineffektive Führung des Managers führte dazu, dass das Team die Motivation verlor.
C1 noun /ɪnˈsɜːrdʒənt/

insurgent

Aufständischer
Meaning
A person who rises in revolt against authority or government.
Example
The army arrested several insurgents after the attack.
Die Armee verhaftete mehrere Aufständische nach dem Angriff.
C1 adverb /ɪnˈvɜːrs.li/

Inversely

umgekehrt; entgegengesetzt
Meaning
in a way that is opposite or contrary; in reverse order or manner
Example
The price of goods is inversely related to their availability in the market.
Der Preis von Waren ist umgekehrt mit ihrer Verfügbarkeit auf dem Markt verbunden.
C1 adjective /ɪnˈdʌktɪv/

inductive

induktiv
Meaning
characterized by the inference of general laws from particular instances; reasoning from specific cases to general principles
Example
The scientist used inductive reasoning to form a hypothesis.
Der Wissenschaftler verwendete induktives Denken, um eine Hypothese zu formulieren.
C1 noun /ɪnˈædɪkwəsi/

inadequacy

Unzulänglichkeit
Meaning
lack of sufficient ability, quality, or strength; a feeling of not being good enough
Example
She struggled with feelings of inadequacy at work despite her strong qualifications.
Trotz ihrer starken Qualifikationen kämpfte sie bei der Arbeit mit Gefühlen der Unzulänglichkeit.
C1 noun /ɪmˈpjʊərəti/

impurity

Unreinheit
Meaning
the state of being unclean or contaminated; a substance that makes something impure
Example
The scientist removed every impurity from the water sample.
Der Wissenschaftler entfernte jede Unreinheit aus der Wasserprobe.
C1 noun /ɪmˈpɛdɪmənt/

impediments

Hindernisse
Meaning
A hindrance or obstruction in doing something; things that prevent progress or achievement.
Example
Economic impediments often hinder social development.
Wirtschaftliche Hindernisse behindern oft die soziale Entwicklung.
C1 noun /aɪˈtɪnərɛri/

itinerary

Reiseroute
Meaning
A planned route or schedule of a journey or trip.
Example
The travel agent gave us a detailed itinerary for our vacation.
Der Reiseveranstalter gab uns einen detaillierten Reiseplan für unseren Urlaub.
C1 verb /ɪmˈpɛl/

impel

bewegen
Meaning
to drive, force, or urge someone to do something
Example
Her curiosity impelled her to open the mysterious box.
Ihre Neugier trieb sie dazu, die mysteriöse Kiste zu öffnen.
C1 adjective /ˌɪndɪˈstrʌktəbl/

indestructible

unzerstörbar
Meaning
Impossible to destroy or break.
Example
The superhero's shield was said to be indestructible.
Es wurde gesagt, dass das Schild des Superhelden unzerstörbar war.
C1 adjective /ˌɪnsərˈmaʊntəbl/

insurmountable

unüberwindbar
Meaning
Too great to be overcome.
Example
The explorers faced insurmountable odds in the desert.
Die Entdecker standen im Wüstengebiet unüberwindbaren Hindernissen gegenüber.
C1 noun /ɪnˈdʌstriəsnəs/

industriousness

Fleiß
Meaning
The quality of being hardworking and diligent.
Example
His industriousness earned him a promotion at work.
Sein Fleiß brachte ihm eine Beförderung bei der Arbeit ein.
C1 noun /ɪnˈdɪf.ər.əns/

Indifference

indifferenz; gleichgültigkeit; apathie
Meaning
lack of interest, concern, or sympathy; the state of not caring about something
Example
His indifference to his studies resulted in poor grades throughout the semester.
Seine Indifferenz gegenüber seinen Studien führte zu schlechten Noten im gesamten Semester.
C1 noun /ˌɪn.dɪˈsɪʒ.ən/

Indecision

Unentschlossenheit; Zweifel; Zögern
Meaning
the inability to make decisions quickly; uncertainty about what to do
Example
Her indecision about which job offer to accept caused her to miss both opportunities.
Ihre Unentschlossenheit, welches Jobangebot sie annehmen sollte, führte dazu, dass sie beide Gelegenheiten verpasste.
C1 adjective /ɪnˈfɜːm/

infirm

schwach
Meaning
Weak, especially due to old age or illness.
Example
The infirm old man needed assistance to walk.
Der schwache alte Mann brauchte Hilfe, um zu gehen.
C1 adjective /ɪnˈdɪɡnənt/

indignant

empört
Meaning
Feeling or showing anger at something considered unfair or unjust.
Example
She was indignant when accused of cheating.
Sie war empört, als sie des Schummelns beschuldigt wurde.
C1 verb /ɪnˈkrɪmɪˌneɪt/

incriminate

belasten
Meaning
to make someone appear guilty of a crime or wrongdoing
Example
The new evidence could incriminate the suspect in the robbery case.
Die neuen Beweise könnten den Verdächtigen im Raubüberfallfall belasten.
C1 adjective /ɪnˈvɑːlənˌtɛri/

involuntary

unfreiwillig
Meaning
done without will or conscious control
Example
He gave an involuntary shiver when he heard the loud noise.
Er bekam einen unwillkürlichen Schauer, als er das laute Geräusch hörte.
C1 noun /ɪmˈpɛd.ɪ.mənt/

impediment

Hindernis
Meaning
A hindrance or obstruction in doing something; something that prevents progress.
Example
Lack of funds is a major impediment to the project.
Der Mangel an Mitteln ist ein großes Hindernis für das Projekt.
C1 adjective /ɪˈrɛfjʊtəbəl/

Irrefutable

unwiderlegbar
Meaning
impossible to deny or disprove; undeniable
Example
The evidence against him was irrefutable.
Der Beweis gegen ihn war unwiderlegbar.
C1 adjective /ˌɪndɪˈskrɪmɪnət/

indiscriminate

willkürlich
Meaning
Done without careful judgment; random or haphazard.
Example
The indiscriminate use of pesticides harms the environment.
Der willkürliche Einsatz von Pestiziden schadet der Umwelt.
C1 verb /ɪmˈpɒvərɪʃ/

impoverish

verarmen
Meaning
To make someone poor or reduce the quality or richness of something.
Example
The long war impoverished the entire nation.
Der lange Krieg hat die ganze Nation verarmt.
C1 adjective ˌɪn.təˈstel.ər

interstellar

zwischen den Sternen, interstellar, kosmisch
Meaning
Occurring or situated between stars.
Example
Scientists study interstellar travel possibilities.
Wissenschaftler untersuchen die Möglichkeiten der interstellaren Reisen.
C1 verb /ˌɪntəˈsɛkt/

intersect

schneiden
Meaning
to cross or pass through each other
Example
The two roads intersect at the city center.
Die zwei Straßen schneiden sich im Stadtzentrum.
C1 adjective /ɪmˈpɑːrʃəl/

Impartial

unparteiisch; neutral
Meaning
treating all sides fairly; unbiased; neutral
Example
A good judge must remain impartial throughout the trial.
Ein guter Richter muss während des gesamten Prozesses unparteiisch bleiben.
C1 adjective /ˌɪndɪˈsaɪsɪv/

Indecisive

unentschlossen
Meaning
unable to make decisions quickly; hesitant; wavering
Example
She was indecisive about which university to attend.
Sie war unentschlossen, welche Universität sie besuchen sollte.
C1 noun ˈɪm.pɪ.təs

impetus

Antrieb
Meaning
The force or motivation that drives something forward; momentum.
Example
The new policy provided an impetus for economic growth.
Die neue Politik gab einen Antrieb für das wirtschaftliche Wachstum.
C1 verb /ɪnˈhɪbɪt/

inhibit

hemmen
Meaning
to prevent or restrain someone or something from acting freely; to hinder
Example
Fear can inhibit personal growth.
Angst kann das persönliche Wachstum hemmen.
C1 verb /ˌɪn.trəˈspekt/

introspect

introspektieren
Meaning
To examine one's own thoughts, feelings, or mental state.
Example
He often introspects before making important decisions.
Er introspektiert oft, bevor er wichtige Entscheidungen trifft.
C1 adjective /ɪnˈkɒŋɡruəs/

incongruous

inkongruent
Meaning
Not fitting in with or suitable for the surroundings.
Example
His jokes were incongruous during the serious meeting.
Seine Witze waren inkongruent während des ernsten Treffens.
C1 verb /ɪnˈfjuːz/

infuse

infundieren
Meaning
to fill or spread through something; to instill a quality, idea, or feeling
Example
The teacher tried to infuse her students with a love for reading.
Die Lehrerin versuchte, ihren Schülern eine Liebe zum Lesen zu infundieren.
C1 noun /ɪnˈækjʊrəsi/

inaccuracy

Ungenauigkeit
Meaning
lack of accuracy or precision; an incorrect or wrong detail
Example
The report contained several factual inaccuracies.
Der Bericht enthielt mehrere Ungenauigkeiten.
C1 adjective /ˌɪnədˈvɜːrtənt/

inadvertent

unbeabsichtigt, unbeabsichtigt
Meaning
Not resulting from or achieved through deliberate planning; unintentional.
Example
Her inadvertent mistake caused a delay in the project.
Ihr unbeabsichtigter Fehler verursachte eine Verzögerung im Projekt.
C1 verb /ɪnˈkɜːr/

incur

auf sich nehmen
Meaning
To bring upon oneself something undesirable, usually as a result of actions.
Example
He incurred a fine for parking in the wrong place.
Er zog eine Strafe auf sich, weil er an der falschen Stelle parkte.
C1 adjective ɪnˈsaɪ.sɪv

incisive

scharfsinnig
Meaning
Intelligently analytical and clear-thinking; showing clear thought and good understanding of what is important.
Example
His incisive comments revealed the core issues.
Seine scharfsinnigen Kommentare enthüllten die Kernprobleme.
C1 noun /ˌɪn.trəˈvɜːr.ʒən/

introversion

Introversion
Meaning
The tendency to be inward-looking and shy, preferring solitary activities.
Example
Her introversion made it difficult for her to enjoy large parties.
Ihre Introversion machte es ihr schwer, große Partys zu genießen.
C1 noun /ɪnˈdʒʌŋkʃən/

injunction

Unterlassungsverfügung
Meaning
A judicial order restraining a person from an action or compelling a certain act.
Example
The court issued an injunction to stop the company from polluting the river.
Das Gericht erließ eine Unterlassungsverfügung, um das Unternehmen daran zu hindern, den Fluss zu verschmutzen.
C1 noun /ɪmˈpɒs.tər/

Impostor

Betrüger; Hochstapler
Meaning
a person who pretends to be someone else in order to deceive others; a fraud
Example
The impostor convinced everyone he was a doctor until his fake credentials were discovered.
Der Imposter überzeugte alle, dass er ein Arzt war, bis seine falschen Qualifikationen entdeckt wurden.
C1 noun /ˈɪnˌmeɪt/

inmate

Insasse
Meaning
a person confined to an institution such as a prison or hospital
Example
The prison has over a thousand inmates.
Das Gefängnis hat mehr als tausend Insassen.
C1 verb /ˈɪmprəvaɪz/

improvise

improvisieren
Meaning
To create or perform something spontaneously without preparation.
Example
The actor had to improvise his lines when he forgot the script.
Der Schauspieler musste seine Zeilen improvisieren, als er das Skript vergessen hatte.
C1 noun /ˌaɪ.diˈɒl.ə.dʒi/

ideology

Ideologie
Meaning
A system of ideas and ideals, especially one that forms the basis of economic or political theory and policy.
Example
Democracy is based on the ideology of freedom and equality.
Demokratie basiert auf der Ideologie von Freiheit und Gleichheit.
C1 noun /ɪnˈdaɪtmənt/

indictment

Anklageschrift
Meaning
a formal charge or accusation of a serious crime
Example
The indictment accused the company of multiple violations.
Die Anklageschrift beschuldigte das Unternehmen mehrfacher Verstöße.
C1 adjective /ɪˈneɪn/

inane

unsinnig, dumm
Meaning
lacking sense, meaning, or significance; silly or pointless
Example
The movie was criticized for its inane dialogue.
Der Film wurde für seine unsinnigen Dialoge kritisiert.
C1 noun /ɪnˈhɛrɪtər/

inheritor

Erbe
Meaning
a person who receives money, property, or a title when someone dies
Example
She became the inheritor of her family's estate.
Sie wurde die Erbin des Familienvermögens.
C1 noun /ˈɪnstɪˌɡeɪtər/

instigator

Anstifter
Meaning
A person who brings about or initiates something, usually something bad.
Example
The police identified him as the instigator of the violence.
Die Polizei identifizierte ihn als den Anstifter der Gewalt.
C1 adjective /ɪnˈhɪbɪtɪd/

inhibited

gehemmt
Meaning
Unable to act in a relaxed and natural way, especially due to self-consciousness or restraint.
Example
He was too inhibited to express his true feelings.
Er war zu gehemmt, um seine wahren Gefühle auszudrücken.
C1 adjective /ˌɪndɪˈspjuːtəbəl/

Indisputable

unbestreitbar; unbestreitbar; sicher
Meaning
impossible to deny or argue against; undeniable; certain
Example
The evidence against him was indisputable.
Die Beweise gegen ihn waren unbestreitbar.
C1 adjective ˈɪn.tər.ɪm

interim

interimistisch
Meaning
In or for the intervening period; provisional or temporary.
Example
Interim governments manage transitional phases.
Interim-Regierungen verwalten Übergangsphasen.
C1 adjective /ˈɪmpjəd(ə)nt/

impudent

frech, unverschämt
Meaning
not showing due respect for another person; rude
Example
The impudent child talked back to the teacher.
Das freche Kind antwortete dem Lehrer.
C1 adjective /ˌɪntəˈrɑːɡətɪv/

interrogative

interrogativ
Meaning
Relating to or conveying a question; in grammar, used to form questions.
Example
She raised an interrogative eyebrow when she heard the news.
Sie hob eine interrogative Augenbraue, als sie die Nachricht hörte.
C1 verb /ɪnˈklaɪn/

incline

neigen
Meaning
to feel willing or favorably disposed toward something; to bend or tilt
Example
She is inclined to agree with the proposal.
Sie ist geneigt, dem Vorschlag zuzustimmen.
C1 adjective /ˌɪndɪˈstɪŋkt/

indistinct

undeutlich
Meaning
Not clear or sharply defined; vague or blurred.
Example
The sound of voices was indistinct in the distance.
Der Klang der Stimmen war in der Ferne undeutlich.
C1 adjective /ˌɪn.səˈbɔːr.dɪ.nət/

insubordinate

aufsässig
Meaning
Defiant of authority; disobedient to orders.
Example
The insubordinate employee refused to follow the manager's instructions.
Der aufsässige Mitarbeiter weigerte sich, den Anweisungen des Managers zu folgen.
C1 noun /ɪnˈkɒmpɪtəns/

incompetence

Inkompetenz
Meaning
Lack of ability, skill, or effectiveness in doing something.
Example
The project failed due to the manager’s incompetence.
Das Projekt scheiterte aufgrund der Inkompetenz des Managers.
C1 verb /ɪɡˈnaɪt/

ignite

entzünden
Meaning
To catch fire or cause to catch fire; to start or arouse.
Example
The sparks ignited the dry leaves in seconds.
Die Funken entzündeten die trockenen Blätter in Sekunden.
C1 adjective /ɪˈlɒdʒ.ɪ.kəl/

Illogical

Illogisch
Meaning
not reasonable or sensible; lacking logic
Example
It would be illogical to go swimming in such cold weather.
Es wäre illogisch, bei solch kaltem Wetter schwimmen zu gehen.
C1 noun /ɪmˈpɜː.mə.nəns/

impermanence

Vergänglichkeit
Meaning
The state or fact of lasting for only a limited period of time.
Example
The philosophy of Buddhism emphasizes the impermanence of life.
Die buddhistische Philosophie betont die Vergänglichkeit des Lebens.
C1 adjective /ˈaɪərnˌklæd/

ironclad

eiserne
Meaning
impossible to change, break, or dispute; very strong and firm
Example
The company had an ironclad contract with its suppliers.
Das Unternehmen hatte einen eisernen Vertrag mit seinen Lieferanten.
C1 noun /ˌɪntərˈdʒɛkʃən/

interjection

Interjektion
Meaning
a word or phrase used to express sudden emotion or reaction, often standing alone
Example
Words like 'wow' and 'ouch' are common interjections in English.
Wörter wie 'wow' und 'au' sind häufige Interjektionen im Englischen.
C1 adjective /ɪˈmjuː.tə.bəl/

immutable

unveränderlich
Meaning
Unchangeable, permanent, or fixed
Example
The laws of physics are considered immutable.
Die Gesetze der Physik gelten als unveränderlich.
C1 noun ˌɪnˈsaɪtfʊlnɪs

insightfulness

Einsicht, Analysefähigkeit
Meaning
The capacity to gain an accurate and deep intuitive understanding of a person or thing.
Example
His insightfulness helped solve the complex problem.
Seine Einsicht half, das komplexe Problem zu lösen.
C1 adjective /ɪmˈpɛndɪŋ/

impending

bevorstehend
Meaning
about to happen soon, usually something unpleasant or threatening
Example
The villagers were worried about the impending flood.
Die Dorfbewohner waren besorgt über die bevorstehende Flut.
C1 noun ˌɪndɪˈspensəbl̩ ˈkɒmpɪtənsi

indispensable competency

unverzichtbare Kompetenz
Meaning
Essential skill or ability that cannot be done without; a crucial capability that is absolutely necessary.
Example
Digital literacy is an indispensable competency in the 21st century.
Digitale Kompetenz ist eine unverzichtbare Kompetenz im 21. Jahrhundert.
C1 adjective ɪnˈdel.ə.bəl

indelible

unvergesslich
Meaning
Making marks that cannot be removed; impossible to forget or remove.
Example
Her speech left an indelible mark on the audience.
Ihre Rede hinterließ einen unvergesslichen Eindruck beim Publikum.
C1 noun /ˌɪnkəmˌpætəˈbɪlɪti/

incompatibility

Inkompatibilität
Meaning
the state of being unable to exist or work together harmoniously; lack of compatibility
Example
The project failed because of incompatibility between the two software systems.
Das Projekt scheiterte wegen der Inkompatibilität zwischen den beiden Softwaresystemen.
C1 noun /ˌɪnˈdɪsəplɪn/

indiscipline

Undiszipliniertheit
Meaning
lack of discipline or self-control; failure to obey rules or maintain order
Example
Indiscipline among the students disrupted the learning environment.
Die Undiszipliniertheit der Schüler störte die Lernumgebung.
C1 verb /ɪmˈpɛrɪl/

imperil

in Gefahr bringen
Meaning
To put in danger or at risk.
Example
Reckless driving can imperil the lives of others.
Rücksichtsloses Fahren kann das Leben anderer gefährden.
C1 noun ɪnˌten.sɪ.fɪˈkeɪ.ʃən

intensification

Intensivierung
Meaning
The process of becoming or making something more intense or extreme.
Example
The intensification of climate change requires urgent action.
Die Intensivierung des Klimawandels erfordert dringende Maßnahmen.
C1 adjective ɪn ˈfleɪ.ʃə.ner.i

inflationary

inflationär
Meaning
Characterized by or tending to cause monetary inflation; relating to rising prices.
Example
The government took measures to control inflationary pressures.
Die Regierung ergriff Maßnahmen zur Kontrolle der inflationären Drücke.
C1 noun /ˈɪn.floʊ/

inflow

Zufluss
Meaning
The movement of things such as money, people, or water into a place.
Example
The inflow of tourists boosted the local economy.
Der Zufluss von Touristen hat die lokale Wirtschaft angekurbelt.
C1 verb /ɪnˈdaɪt/

indict

anklagen
Meaning
to formally accuse someone of committing a serious crime
Example
The grand jury decided to indict the politician for corruption.
Das Großgericht entschied, den Politiker wegen Korruption anzuklagen.
C1 noun /ˌɪnɪkˈspɪəriəns/

inexperience

Unerfahrenheit
Meaning
Lack of knowledge or skill in a particular activity or field.
Example
His inexperience in handling negotiations was evident.
Seine Unerfahrenheit im Umgang mit Verhandlungen war offensichtlich.
C1 adjective /ɪnˈkɒmpɪtənt/

incompetent

inkompetent
Meaning
Lacking the necessary ability or skills to do something successfully.
Example
He was fired because he was incompetent at his job.
Er wurde entlassen, weil er in seinem Job unfähig war.
C1 adjective /ɪnˈtɛlɪdʒəbl/

intelligible

verständlich
Meaning
Able to be understood; clear enough to be comprehended.
Example
Her speech was barely intelligible over the noise.
Durch den Lärm war ihre Rede kaum verständlich.
C1 noun /ɪnˈvɜːrʒən/

inversion

Inversion
Meaning
A reversal of the normal order, position, or relationship.
Example
In poetry, inversion is often used to create emphasis.
In der Poesie wird die Inversion oft verwendet, um Nachdruck zu verleihen.
C1 noun /ˈɪntərˌpleɪ/

interplay

Wechselwirkung
Meaning
The way in which two or more things have an effect on each other.
Example
The interplay between culture and technology shapes modern life.
Die Wechselwirkung zwischen Kultur und Technologie prägt das moderne Leben.
C1 noun/verb /ˈɪnsɛns/

incense

Weihrauch / erzürnen
Meaning
a substance burned for its sweet smell (noun); to make very angry (verb)
Example
The smell of incense filled the temple, but his rude words incensed her.
Der Duft von Weihrauch füllte den Tempel, aber seine unhöflichen Worte erzürnten sie.
C1 adjective /ɪnˈtændʒəbl/

intangible

immateriell
Meaning
Unable to be touched or grasped; not having a physical presence.
Example
Trust is an intangible quality in relationships.
Vertrauen ist eine immaterielle Eigenschaft in Beziehungen.
C1 noun /ɪˈnɜː.ʃə/

Inertia

Inertie; Bewegungsmangel
Meaning
a tendency to do nothing or remain unchanged; lack of activity or movement
Example
The team's inertia prevented them from adapting to the rapidly changing market conditions.
Die Inertie des Teams verhinderte, dass es sich an die sich schnell ändernden Marktbedingungen anpasste.
C1 verb /ˌɪn.tɚˈtwaɪn/

intertwine

eng miteinander verbinden oder verbinden; zusammen drehen oder kombinieren
Meaning
To connect or link closely; to twist together or combine closely.
Example
Their lives became intertwined through years of friendship.
Ihre Leben wurden durch jahrelange Freundschaft miteinander verflochten.
C1 adjective /ɪnˈsteɪbəl/

instable

instabil
Meaning
not stable; liable to change, collapse, or fail; lacking firmness or reliability
Example
The instable political situation worried foreign investors.
Die instabile politische Lage beunruhigte ausländische Investoren.
C1 noun ˌɪnfrəˈstrʌktʃərəl dɪˈveləpmənt

infrastructural development

infrastrukturelle Entwicklung
Meaning
The process of building and improving the basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
Example
Infrastructural development is necessary for efficient recycling.
Infrastrukturelle Entwicklung ist notwendig für effizientes Recycling.
C1 adjective ˌɪn.trəˈspek.tɪv

introspective

introspektiv
Meaning
Characterized by or given to introspection; examining one's own thoughts and feelings.
Example
Writers tend to be highly introspective individuals.
Schriftsteller neigen dazu, hochgradig introspektive Individuen zu sein.
C1 adjective /ˌaɪdiəˈlɪstɪk/

Idealistic

idealistisch
Meaning
pursuing high principles or ideals; unrealistically optimistic
Example
She has an idealistic view of changing the world.
Sie hat eine idealistische Sicht darauf, die Welt zu verändern.
C1 noun /ˌɪnkwɪˈzɪʃən/

inquisition

Inquisition
Meaning
A prolonged and intense questioning or investigation, often harsh in nature.
Example
The journalist faced an inquisition from the panel about his sources.
Der Journalist wurde einem harten Verhör durch das Panel über seine Quellen unterzogen.
C1 adjective /ɪnˈæk.tɪv/

Inactive

inaktiv
Meaning
not active; not working; dormant; idle
Example
The volcano has been inactive for over a century.
Der Vulkan ist seit über einem Jahrhundert inaktiv.
C1 verb /ɪnˈtɒksɪkeɪt/

intoxicate

Glück
Meaning
to make someone lose control of their faculties or behavior due to alcohol or drugs
Example
The strong drink quickly intoxicated him.
Sie konnte ihr Glück nicht verbergen, als sie den Preis erhielt.