impasse
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C1 noun /ˈɪm.pæs/

impasse

Stillstand
Meaning
A situation where no progress is possible.
Example
The negotiations reached an impasse, delaying the agreement.
Die Verhandlungen erreichten einen Stillstand, der die Vereinbarung verzögerte.
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 adverb /ɪnˈdɛfɪnətli/

indefinitely

unbestimmt
Meaning
for an unlimited or unspecified period of time
Example
The project has been postponed indefinitely.
Das Projekt wurde unbestimmt verschoben.
C1 adjective /ˌɪnkənˈsiːvəbl̩/

inconceivable

unvorstellbar
Meaning
Impossible to imagine or believe; beyond comprehension.
Example
It seemed inconceivable that she could finish the marathon after such little training.
Es schien unvorstellbar, dass sie den Marathon nach so wenig Training beenden könnte.
C1 adjective /ɪnˈvɛntɪv/

inventive

erfinderisch
Meaning
Having the ability to create or design new things or to think originally.
Example
The inventor was known for his inventive solutions to everyday problems.
Der Erfinder war bekannt für seine erfinderischen Lösungen für alltägliche Probleme.
C1 noun ˌɪnfɛsˈteɪʃən

infestation

befall, das Vorhandensein einer ungewöhnlich großen Anzahl von Insekten oder Tieren an einem Ort
Meaning
The presence of an unusually large number of insects or animals in a place, causing damage or disease.
Example
The infestation of ants in the kitchen led to immediate pest control measures.
Die Insektenplage in der Küche führte zu sofortigen Maßnahmen zur Schädlingsbekämpfung.
C1 adjective /ɪnˈsʌf.ər.ə.bəl/

insufferable

unerträglich
Meaning
Too extreme to bear; intolerable.
Example
The heat during the summer was insufferable.
Die Hitze im Sommer war unerträglich.
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 /ˈɜːrksəm/

irksome

ärgerlich
Meaning
annoying or irritating
Example
Waiting in a long line is one of the most irksome tasks.
In einer langen Schlange zu warten ist eine der ärgerlichsten Aufgaben.
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 verb /ˈɪnsjuleɪt/

insulate

isolieren
Meaning
To protect something by covering it, especially to prevent heat, sound, or electricity from escaping or entering.
Example
The house was insulated to reduce heating costs.
Das Haus wurde isoliert, um die Heizkosten zu senken.
C1 noun /ˈɪnsɪdəns/

incidence

inzidenz
Meaning
the occurrence, rate, or frequency of something
Example
The incidence of road accidents has decreased this year.
Die Inzidenz von Straßenunfällen ist in diesem Jahr gesenkt worden.
C1 adjective /ɪˈluː.sɪv/

Illusive

trügerisch; scheinbar existierend, aber nicht real; täuschend
Meaning
deceptive; appearing to exist but not real; misleading
Example
The promise of easy money proved to be illusive and misleading.
Das Versprechen von leichtem Geld erwies sich als trügerisch und täuschend.
C1 noun ɪnˈsɒl.vən.si

insolvency

Insolvenz
Meaning
The state of being unable to pay debts owed; bankruptcy.
Example
The company declared insolvency after years of losses.
Das Unternehmen erklärte nach Jahren der Verluste Insolvenz.
C1 adjective /ɪnˈfleɪtɪd/

inflated

aufgeblasen
Meaning
excessively increased in size, value, or importance; filled with air or gas
Example
The company faced criticism for its inflated prices.
Das Unternehmen sah sich wegen seiner aufgeblasenen Preise Kritik ausgesetzt.
C1 noun /ˌɪntərˈmɪʃən/

intermission

Pause
Meaning
A pause or break, especially during a performance or event.
Example
The play had a twenty-minute intermission.
Das Stück hatte eine zwanzigminütige Pause.
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 adjective /ɪnˈsɪdiəs/

insidious

heimtückisch
Meaning
Proceeding in a gradual, subtle way but with harmful effects.
Example
The insidious spread of misinformation can damage trust.
Die heimtückische Verbreitung von Fehlinformationen kann das Vertrauen schädigen.
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 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 noun ˌɪnsjʊˈleɪʃən

insulation

Isolierung
Meaning
Material used to prevent heat, sound, or electricity from being transmitted from one area to another.
Example
Insulation of food storage areas can prevent pests from entering.
Die Isolierung von Lebensmittel-Lagerbereichen kann verhindern, dass Schädlinge eindringen.
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 /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 adjective /ɪnˈsɒlvənt/

insolvent

zahlungsunfähig
Meaning
unable to pay debts owed
Example
The insolvent firm could not meet its financial obligations.
Das zahlungsunfähige Unternehmen konnte seinen finanziellen Verpflichtungen nicht nachkommen.
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 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 /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 adjective /ɪmˈplɔːzəbl/

implausible

unplausibel
Meaning
Not seeming reasonable or probable; unlikely to be true.
Example
The story she told was so implausible that no one believed her.
Die Geschichte, die sie erzählte, war so unplausibel, dass niemand ihr glaubte.
C1 adjective /ɪnˈdetɪd/

Indebted

verschuldet; dankbar
Meaning
owing money or gratitude to someone; obligated; grateful
Example
I am deeply indebted to my teacher for all her guidance.
Ich bin meiner Lehrerin tief verbunden für ihre ganze Führung.
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 /ˌɪnfɪˈdɛləti/

infidelity

Untreue
Meaning
the act of being unfaithful to a spouse or partner
Example
Their marriage ended due to his infidelity.
Ihre Ehe endete wegen seiner Untreue.
C1 adjective ˌɪm.pəˈsɛp.tɪ.bəl

imperceptible

unmerklich
Meaning
So subtle or gradual that it is difficult to notice or perceive
Example
The changes in his behavior were imperceptible at first.
Die Veränderungen in seinem Verhalten waren anfangs unmerklich.
C1 adjective /ɪnˈhɛrənt/

inherent

innehrent
Meaning
Existing in something as a natural, permanent, or essential quality.
Example
There are inherent risks in extreme sports.
Es gibt inhärente Risiken bei Extremsportarten.
C1 noun /ɪnˈkɜːrʒən/

incursion

Invasion
Meaning
A sudden attack or invasion into a place or territory.
Example
The army repelled the enemy incursion at the border.
Die Armee schlug die feindliche Invasion an der Grenze zurück.
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 adjective /ɪˈlɪsɪt/

illicit

illegal
Meaning
Forbidden by law, rules, or custom.
Example
The police shut down the illicit drug operation.
Die Polizei hat den illegalen Drogenhandel gestoppt.
C1 adjective /ɪnˈɡreɪnd/

ingrained

eingewurzelt
Meaning
Firmly fixed or established; deeply rooted and difficult to change.
Example
His ingrained habits were hard to break.
Seine eingewurzelten Gewohnheiten waren schwer zu brechen.
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 /ɪmˌpɜː.sənˈeɪ.ʃən/

impersonation

Identitätsdiebstahl
Meaning
The action of pretending to be another person for the purpose of entertainment or fraud.
Example
Online impersonation is a serious cybercrime.
Online-Identitätsdiebstahl ist ein ernstes Cyberverbrechen.
C1 adjective /ˌɪlɪˈdʒɪtɪmət/

illegitimate

illegitim
Meaning
Not authorized by law, rules, or standards; not recognized as valid.
Example
The court ruled the contract to be illegitimate.
Das Gericht entschied, dass der Vertrag illegitim war.
C1 noun /ˌɪmpɔːrˈteɪʃən/

importation

Import
Meaning
The act of bringing goods or services into a country from abroad
Example
The importation of luxury goods is strictly regulated.
Die Import von Luxusgütern ist streng reguliert.
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 /ɪnˈvɪɡ.ər.eɪt/

invigorate

beleben
Meaning
To give strength or energy to someone or something.
Example
A morning walk can invigorate both body and mind.
Ein morgendlicher Spaziergang kann Körper und Geist beleben.
C1 adjective /ɪnˈdefɪnət/

Indefinite

unbestimmt
Meaning
not clearly defined; uncertain; vague; unlimited in time
Example
The meeting has been postponed for an indefinite period.
Das Treffen wurde auf einen unbestimmten Zeitraum verschoben.
C1 adjective /ɪnˈdiːsənt/

indecent

unanständig
Meaning
not conforming to accepted standards of behavior or morality; improper or offensive
Example
He was warned for making an indecent remark during the meeting.
Er wurde wegen einer unanständigen Bemerkung verwarnt.
C1 verb /ˈaɪdəlaɪz/

idolize

verehren
Meaning
To admire or worship someone excessively.
Example
Fans often idolize celebrities for their talent and lifestyle.
Fans verehren oft Prominente für ihr Talent und ihren Lebensstil.
C1 adjective /ɪmˈpɜːmiəbl/

impermeable

undurchlässig
Meaning
Not allowing fluid or gas to pass through.
Example
The container is made of impermeable plastic.
Der Behälter besteht aus undurchlässigem Kunststoff.
C1 adjective /ɪmˈpɛn.ɪ.trə.bəl/

impenetrable

Meaning
Impossible to pass through or enter; impossible to understand.
Example
The dense forest was nearly impenetrable.
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 /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 /ɪnˈsɛnsəbl/

insensible

bewusstlos
Meaning
Unconscious; unaware of or indifferent to something.
Example
He was insensible to the cold as he lay in the snow.
Er war gegen die Kälte insensibel, als er im Schnee lag.
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.
C1 adjective /ɪmˈpɜːrviəs/

impervious

undurchlässig
Meaning
Not allowing fluid to pass through; unable to be affected by something.
Example
The jacket is impervious to rain.
Die Jacke ist undurchlässig gegen Regen.
C1 noun /ˈɪrɪtənt/

irritant

reizstoff
Meaning
something that causes irritation or discomfort
Example
Dust is a common irritant for people with allergies.
Staub ist ein häufiger Reizstoff für Menschen mit Allergien.
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 adverb /ˌɪn.dɪˈskrɪm.ɪ.nət.li/

Indiscriminately

indiskriminierend
Meaning
without making careful distinctions; randomly; without discrimination
Example
The company fired employees indiscriminately without considering their performance.
Das Unternehmen entließ die Mitarbeiter ohne Rücksicht auf ihre Leistung.
C1 adverb /ˌɪnsɪˈdɛntəli/

incidentally

übrigens
Meaning
by the way; used to introduce a remark not directly related to the main subject
Example
Incidentally, did you know that she studied in Paris?
Übrigens, wusstest du, dass sie in Paris studiert hat?
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 adjective /ɪnˈtɒl.ər.ə.bəl/

Intolerable

unerträglich
Meaning
unable to be endured; extremely unpleasant or painful
Example
The noise from the construction site was intolerable.
Der Lärm von der Baustelle war unerträglich.
C1 adjective /ɪˈledʒ.ə.bəl/

illegible

unleserlich
Meaning
Not clear enough to be read; unreadable.
Example
The doctor’s handwriting was almost illegible.
Die Handschrift des Arztes war fast unleserlich.
C1 noun /ˈɪmɪdʒəri/

imagery

Bildsprache
Meaning
visually descriptive or figurative language, especially in a literary work
Example
The poet's use of imagery brought the scene to life.
Der Einsatz von Bildsprache des Dichters erweckte die Szene zum Leben.
C1 noun /ˌɪnsəˈfɪʃənsi/

insufficiency

Unzulänglichkeit
Meaning
The state of not being enough or not being adequate.
Example
The project failed due to the insufficiency of funds.
Das Projekt scheiterte aufgrund der Unzulänglichkeit von Mitteln.
C1 verb /ɪmˈploʊd/

implode

implodieren
Meaning
To collapse or burst inward violently.
Example
The old building imploded during the demolition.
Das alte Gebäude implodierte während der Abrissarbeiten.
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 /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 /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 noun ˌɪntədɪˈpɛndənsi

interdependency

Interdependenz
Meaning
The dependence of two or more people or things on each other.
Example
The interdependency of the countries led to greater cooperation.
Die Interdependenz der Länder führte zu mehr Zusammenarbeit.
C1 adjective /ɪnˈkɒmp(ə)rəbl/

incomparable

unvergleichlich
Meaning
Without an equal in quality or excellence; matchless.
Example
The view from the mountain was incomparable.
Der Ausblick vom Berg war unvergleichlich.
C1 noun ˌɪn.tuˈɪʃ.ən

intuition

Intuition
Meaning
The ability to understand something immediately, without the need for conscious reasoning.
Example
Her intuition told her something was wrong.
Ihre Intuition sagte ihr, dass etwas nicht stimmte.
C1 verb /ɪmˈpɑːrt/

impart

vermitteln
Meaning
to make information known; to bestow or communicate
Example
The teacher imparted valuable knowledge to her students.
Der Lehrer vermittelte wertvolles Wissen an seine Schüler.
C1 adjective; noun /ɪˈmɔːrtl/

immortal

unsterblich
Meaning
living forever; never dying; lasting forever in fame or memory
Example
Legends often describe heroes as immortal beings who never die.
Mythen sprechen von unsterblichen Wesen.
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 adjective /ɪmˈpjʊər/

Impure

unrein
Meaning
contaminated; not clean; mixed with foreign substances
Example
The impure water caused health problems in the village.
Das unreine Wasser verursachte Gesundheitsprobleme im Dorf.
C1 adverb /ˌɪn.ədˈvɜːr.tənt.li/

Inadvertently

unbeabsichtigt; versehentlich; aus Versehen
Meaning
without being aware of what you are doing; unintentionally; by mistake
Example
She inadvertently deleted the important file while cleaning her computer.
Sie hat versehentlich die wichtige Datei gelöscht, während sie ihren Computer gereinigt hat.
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 adjective /ɪmˈprɒmp.tjuː/

impromptu

spontan
Meaning
Done without being planned, organized, or rehearsed; spontaneous.
Example
He gave an impromptu speech at the event.
Er hielt eine spontane Rede bei der Veranstaltung.
C1 verb /ɪnˈdʌkt/

induct

jemanden formell in eine Position, Organisation oder ein Amt aufnehmen
Meaning
to formally admit someone into a position, organization, or office
Example
She was inducted into the university's honor society.
Sie wurde in die Ehrenvereinigung der Universität aufgenommen.
C1 noun ɪnˈflɛk.ʃən

inflection

Intonation
Meaning
The change in pitch or tone of voice when speaking for emphasis.
Example
His inflection kept the audience engaged.
Seine Intonation hielt das Publikum gebannt.
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 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 adverb, adjective /ˌɪnkɑːɡˈniːtoʊ/

incognito

inkognito
Meaning
In disguise or with one's identity concealed.
Example
The celebrity traveled incognito to avoid the paparazzi.
Der Promi reiste inkognito, um den Paparazzi zu entkommen.
C1 noun /ɪnˈsɒm.ni.ə/

Insomnia

Insomnie
Meaning
habitual sleeplessness; inability to sleep; the condition of being unable to sleep
Example
Her chronic insomnia made it difficult for her to concentrate during work hours.
Ihre chronische Insomnie erschwerte es ihr, sich während der Arbeitszeit zu konzentrieren.
C1 adjective /ɪmˈprɒbəbl/

improbable

unwahrscheinlich
Meaning
Not likely to be true or to happen.
Example
It seems improbable that he will arrive on time.
Es scheint unwahrscheinlich, dass er pünktlich ankommt.
C1 adjective /ˌɪmprɪˈsaɪs/

imprecise

ungenau
Meaning
Not exact or accurate; vague.
Example
His explanation was too imprecise to be helpful.
Seine Erklärung war zu ungenau, um hilfreich zu sein.
C1 adjective /ɪnˈtrɛpɪd/

intrepid

unerschrocken
Meaning
fearless and adventurous, often used humorously
Example
The intrepid traveler explored the jungle alone.
Der unerschrockene Reisende erkundete den Dschungel alleine.
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 /ɪnˈsɜːrdʒəns/

insurgence

Aufstand
Meaning
An act of rebellion or uprising against authority.
Example
The government struggled to contain the growing insurgence.
Die Regierung hatte Schwierigkeiten, den wachsenden Aufstand zu bekämpfen.
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 /ˌɪnækˈsɛsəbl/

inaccessible

unzugänglich
Meaning
unable to be reached, entered, or understood
Example
The remote village is almost inaccessible during the rainy season.
Das abgelegene Dorf ist während der Regenzeit fast unzugänglich.
C1 noun /ˌɪnækˈtɪvɪti/

inactivity

Inaktivität
Meaning
the state of not being active physically or mentally; lack of action
Example
Prolonged inactivity can negatively affect both physical and mental health.
Längere Inaktivität kann die körperliche und geistige Gesundheit beeinträchtigen.
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 /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 verb /ɪˈmɔːrtəlaɪz/

immortalize

verewigen
Meaning
to preserve the memory of someone or something forever
Example
The statue was built to immortalize the hero’s sacrifice.
Die Statue wurde gebaut, um das Opfer des Helden zu verewigen.
C1 noun /ˈɪntrɪkəsi/

intricacy

Komplexität
Meaning
the quality of being very detailed or complicated
Example
The intricacy of the design impressed everyone.
Die Komplexität des Designs beeindruckte alle.
C1 adjective ɪnɪɡˈzɔːstɪbəl

inexhaustible

unerschöpflich
Meaning
Unable to be used up or worn out; limitless.
Example
His inexhaustible energy allowed him to work tirelessly on his projects.
Seine unerschöpfliche Energie ermöglichte es ihm, unermüdlich an seinen Projekten zu arbeiten.
C1 adjective /ˌɪnstənˈteɪniəs/

instantaneous

sofortig
Meaning
Happening immediately, without any delay.
Example
The change in temperature was almost instantaneous.
Die Temperaturänderung war fast sofortig.
C1 adjective /ˌɪnkənˈkluːsɪv/

inconclusive

unentschieden
Meaning
Not leading to a definite result or decision.
Example
The investigation remained inconclusive due to a lack of evidence.
Die Untersuchung blieb unentschieden wegen eines Beweisfehlens.
C1 adjective /ɪnˈdʌstriəs/

industrious

fleißig
Meaning
Hardworking and diligent in one's duties.
Example
She is an industrious student who always completes her assignments on time.
Sie ist eine fleißige Studentin, die immer ihre Aufgaben rechtzeitig erledigt.
C1 adjective /ˌɪməˈtɪəriəl/

immaterial

unwichtig
Meaning
Not important or relevant; lacking physical substance.
Example
The judge ruled that the argument was immaterial to the case.
Der Richter entschied, dass das Argument für den Fall unerheblich war.
C1 verb /ɪmˈpiːtʃ/

impeach

anklagen
Meaning
To charge a public official with misconduct while in office.
Example
The parliament voted to impeach the president.
Das Parlament stimmte ab, um den Präsidenten anzuklagen.
C1 noun /ɪnˈdɪɡ.nə.ti/

Indignity

Indignität; Demütigung; Erniedrigung;
Meaning
treatment or circumstances that cause one to feel shame or loss of dignity; humiliation
Example
She refused to suffer the indignity of being searched without proper cause.
Sie weigerte sich, die Indignität zu ertragen, ohne einen triftigen Grund durchsucht zu werden.
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 verb /ɪnˈvoʊk/

invoke

anrufen
Meaning
to call upon a higher power, authority, or principle for help, support, or justification
Example
The lawyer invoked the constitution to defend his client.
Der Anwalt rief die Verfassung an, um seinen Mandanten zu verteidigen.
C1 noun /ɪnˈsaɪtmənt/

incitement

Anstiftung
Meaning
the action of provoking unlawful or violent behavior
Example
He was arrested for incitement to riot.
Er wurde wegen Anstiftung zur Gewalt verhaftet.
C1 noun /ɪmˈprɪzənmənt/

imprisonment

Inhaftierung
Meaning
the act of putting someone in prison; the state of being confined as punishment
Example
He faced imprisonment for violating the court order.
Er musste wegen Missachtung der Gerichtsordnung mit Inhaftierung rechnen.
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 noun /ɪˈmɜː.ʃən/

immersion

Eintauchen
Meaning
Complete engagement in an environment or experience.
Example
Immersion in VR games makes users feel like they are inside the virtual world.
Das Eintauchen in VR-Spiele lässt die Benutzer das Gefühl haben, als wären sie in der virtuellen Welt.
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 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 noun /aɪl/

isle

kleine Insel
Meaning
A small island or peninsula, often poetic or literary.
Example
They spent their honeymoon on a beautiful tropical isle.
Sie verbrachten ihre Hochzeitsreise auf einer wunderschönen tropischen Insel.
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 noun /ɪnˈfɜːməri/

infirmary

Krankenhaus
Meaning
A hospital or place where the sick or injured are cared for.
Example
The school had an infirmary for minor injuries.
Die Schule hatte ein Krankenhaus für kleinere Verletzungen.
C1 noun /ɪnˈdjuːsmənt/

inducement

Anreiz
Meaning
something that persuades or encourages someone to do something
Example
The company offered a bonus as an inducement to employees.
Das Unternehmen bot einen Bonus als Anreiz für die Mitarbeiter an.
C1 noun /ˈɪn.tə.mə.si/

Intimacy

Intimität; Nähe
Meaning
close familiarity or friendship; closeness; a private cozy atmosphere
Example
The couple valued the emotional intimacy they shared more than material possessions.
Das Paar schätzte die emotionale Intimität, die sie teilten, mehr als materiellen Besitz.
C1 noun /ˌɪntərˈmiːdiˌɛri/

intermediary

Vermittler
Meaning
A person who acts as a link between people in order to try to bring about an agreement; a mediator.
Example
The diplomat served as an intermediary between the two conflicting nations.
Der Diplomat fungierte als Vermittler zwischen den beiden konfliktierenden Nationen.
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 /ˌɪndɪˈskriːt/

indiscreet

unbedacht
Meaning
Not careful in what one says or does, likely to reveal secrets or offend.
Example
It was indiscreet of him to mention the plan in public.
Es war unbedacht von ihm, den Plan in der Öffentlichkeit zu erwähnen.
C1 adjective /ˌɪnkəʊˈhɪərənt/

incoherent

inkohärent
Meaning
Not clear or easy to understand; lacking logical connection.
Example
His explanation was so incoherent that nobody could follow it.
Seine Erklärung war so inkohärent, dass niemand ihr folgen konnte.
C1 adjective /ɪnˈseɪʃəbl̩/

insatiable

unersättlich
Meaning
impossible to satisfy; always wanting more
Example
Her insatiable curiosity drove her to read every book in the library.
Ihre unersättliche Neugier trieb sie dazu, jedes Buch in der Bibliothek zu lesen.
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 verb /ɪnˈsaɪt/

incite

anstacheln
Meaning
to provoke; to stir up
Example
His speech incited the crowd to violence.
Seine Rede hat die Menge zu Gewalt angestachelt.