illumination
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN Englisch BN Bengali HI Hindi ES Spanisch FR Französisch DE Deutsch RU Russisch ZH Chinesisch JA Japanisch
All Vocabulary Cards All Vocabularies
C1 noun /ɪˌluːmɪˈneɪʃən/

illumination

Beleuchtung
Meaning
the act of lighting something or making something clear
Example
The street was filled with bright illumination from the lamps.
Die Straße war durch die Lampen von hellem Licht erfüllt.
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 /ɪˈlʌstriəs/

illustrious

berühmt
Meaning
Well known, respected, and admired for past achievements.
Example
She had an illustrious career in medicine.
Sie hatte eine berühmte Karriere in der Medizin.
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 /ˈɪmpətənt/

impotent

machtlos
Meaning
Lacking power, ability, or strength to take effective action.
Example
The citizens felt impotent against the corrupt system.
Die Bürger fühlten sich machtlos gegen das korrupte System.
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 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 /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 adjective /ɪnˈvæljʊəbl/

invaluable

unbezahlbar
Meaning
Extremely useful or indispensable.
Example
Her advice proved invaluable to my success.
Ihr Rat erwies sich als unbezahlbar für meinen Erfolg.
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 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 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 adjective /ˌɪndɪˈskraɪbəbəl/

Indescribable

unbeschreiblich
Meaning
impossible to describe or express in words; beyond description
Example
The beauty of the sunset was indescribable.
Die Schönheit des Sonnenuntergangs war unbeschreiblich.
C1 adjective /ɪnˈstɪŋk.tɪv/

instinctive

instinktiv, natürlich, automatisch
Meaning
Based on instinct; done without conscious thought; natural and automatic.
Example
His instinctive reaction saved his life.
Seine instinktive Reaktion rettete sein Leben.
C1 verb /ˈɪnkjʊˌbeɪt/

incubate

inkubieren
Meaning
to keep eggs, cells, or organisms at the right conditions for development
Example
The hen will incubate the eggs until they hatch.
Das Huhn wird die Eier inkubieren, bis sie schlüpfen.
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 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 verb /ɪnˈtɪmɪdeɪt/

intimidate

einschüchtern
Meaning
To frighten or overawe someone, especially to make them do what one wants.
Example
The bully tried to intimidate the smaller kids.
Der Tyrann versuchte, die kleineren Kinder einzuschüchtern.
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 /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 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 adjective /ˌɪndɪˈfɛnsəbl̩/

indefensible

unverteidbar
Meaning
not able to be protected or justified
Example
The minister’s remarks were considered indefensible by the public.
Die Bemerkungen des Ministers wurden von der Öffentlichkeit als unverteidbar angesehen.
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 adjective /ɪˈnuːmərəbəl/

Innumerable

unzählbar; unzählige; unendlich
Meaning
too many to be counted; countless; infinite in number
Example
There are innumerable stars in the night sky that we cannot see with our naked eyes.
Es gibt unzählige Sterne am Nachthimmel, die wir mit bloßem Auge nicht sehen können.
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 /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 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 /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 adjective /ɪnˈveɪsɪv/

invasive

invasiv
Meaning
Tending to spread harmfully, intruding aggressively, or encroaching beyond proper boundaries.
Example
The doctor explained that the procedure was minimally invasive.
Der Arzt erklärte, dass das Verfahren minimal invasiv war.
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 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; 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 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 verb ɪˈnɔː.ɡjə.reɪ.tɪd

inaugurated

eingeweiht
Meaning
Begin or introduce (a system, policy, or period) formally.
Example
The organization was inaugurated officially.
Die Organisation wurde offiziell eingeweiht.
C1 adjective /ɪnˈkwɪzɪtɪv/

inquisitive

neugierig
Meaning
Curious or eager to learn and ask questions.
Example
The inquisitive child asked endless questions about the stars.
Das neugierige Kind stellte unzählige Fragen über die Sterne.
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 /ɪnˈɔːdəbl/

inaudible

unhörbar
Meaning
Unable to be heard.
Example
Her voice was almost inaudible over the noise.
Ihre Stimme war fast unhörbar über dem Lärm.
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 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 /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 adjective /ɪnˈedəbəl/

Inedible

ungenießbar
Meaning
not suitable or safe for eating; not edible
Example
The mushrooms were poisonous and completely inedible.
Die Pilze waren giftig und völlig ungenießbar.
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 adjective /ˈɪnərmoʊst/

Innermost

am tiefsten; persönlichster
Meaning
most private and secret; deepest; most personal
Example
She shared her innermost feelings with her closest friend.
Sie teilte ihre tiefsten Gefühle mit ihrem engsten Freund.
C1 adjective /ɪnˈdʒʊəriəs/

injurious

schädlich
Meaning
Causing or likely to cause harm or damage.
Example
Smoking is injurious to health.
Rauchen ist schädlich für die Gesundheit.
C1 noun /ˌɪnkjʊˈbeɪʃən/

incubation

der Prozess, Eier, Zellen oder Organismen unter den richtigen Bedingungen für die Entwicklung zu halten
Meaning
the process of keeping eggs, cells, or organisms in the right conditions for development
Example
The incubation of the eggs lasted for three weeks.
Die Inkubation der Eier dauerte drei Wochen.
C1 noun /ˈɪn.fən.tri/

Infantry

infanterie
Meaning
soldiers marching or fighting on foot; foot soldiers collectively
Example
The infantry advanced across the battlefield on foot.
Die Infanterie marschierte zu Fuß über das Schlachtfeld.
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 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 /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 noun /ˌɪn.trəˈspek.ʃən/

introspection

Introspektion
Meaning
The examination or observation of one's own mental and emotional processes; self-reflection.
Example
Through introspection, she gained insight into her emotions.
Durch Introspektion gewann sie tiefere Einblicke in ihre Emotionen.
C1 adjective /ˌɪnkənˈsɪdərət/

inconsiderate

rücksichtslos
Meaning
Thoughtless; showing a lack of concern for others.
Example
It was inconsiderate of him to play loud music late at night.
Es war rücksichtslos von ihm, nachts laute Musik zu spielen.
C1 adjective /ˌɪnədˈmɪsəbl̩/

inadmissible

unzulässig
Meaning
Not allowed, especially as evidence in a court of law.
Example
The judge ruled the evidence inadmissible.
Der Richter erklärte das Beweismaterial für unzulässig.
C1 noun /ˌɪmɔːrˈtæləti/

immortality

Unsterblichkeit
Meaning
the state of living forever; eternal life or lasting fame beyond death
Example
Many ancient cultures believed that heroes could achieve immortality through great deeds.
Viele alte Kulturen glaubten, dass Helden durch große Taten Unsterblichkeit erlangen können.
C1 noun /ɪˈrɛlɪvənsi/

irrelevancy

Irrelevanz
Meaning
the state of being unrelated or unimportant to the matter at hand
Example
The judge dismissed the argument because of its irrelevancy to the case.
Der Richter wies das Argument wegen seiner Irrelevanz für den Fall zurück.
C1 noun /ˈɪntərˌluːd/

interlude

Zwischenakt
Meaning
A short period of time that comes between two events; an interval.
Example
There was a brief musical interlude between the two acts of the play.
Es gab ein kurzes musikalisches Intermezzo zwischen den beiden Akten des Stücks.
C1 verb /ɪnˈvælɪdeɪt/

invalidate

ungültig machen
Meaning
To make something not valid or legally acceptable.
Example
The new evidence may invalidate the previous ruling.
Die neuen Beweise könnten das vorherige Urteil ungültig machen.
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 /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 adjective /ˌɪnɪkˈsplɪkəbl/

inexplicable

unverständlich
Meaning
Impossible to explain or understand.
Example
The sudden disappearance of the file was inexplicable.
Das plötzliche Verschwinden der Datei war unverständlich.
C1 noun /ˈɪd.i.əm/

idiom

Idiom
Meaning
A group of words whose meaning is different from the meanings of the individual words.
Example
The idiom 'break the ice' means to start a conversation in a friendly way.
Das Idiom 'Eis brechen' bedeutet, ein Gespräch auf freundliche Weise zu beginnen.
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 /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 adjective /ɪnˈstrʌktɪv/

instructive

instruktiv
Meaning
useful and informative; providing knowledge or instruction
Example
The lecture was highly instructive and engaging.
Der Vortrag war sehr lehrreich und fesselnd.
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 /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 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 /ˌɪntərˈtʃeɪndʒəbl/

interchangeable

austauschbar
Meaning
able to be exchanged with each other without difference or loss of function
Example
These machine parts are interchangeable, so they can be replaced easily.
Diese Maschinenteile sind austauschbar, so dass sie einfach ersetzt werden können.
C1 noun /aɪˈdiː.ə.lɪ.zəm/

Idealism

Idealismus
Meaning
the pursuit of high principles and noble goals; unrealistic pursuit of perfection
Example
His youthful idealism motivated him to join various social justice movements.
Sein jugendlicher Idealismus motivierte ihn, sich verschiedenen sozialen Gerechtigkeitsbewegungen anzuschließen.
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 /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 verb /ˈɪrɪˌɡeɪt/

irrigate

bewässern
Meaning
to supply water to land or crops; to wash out a wound with water
Example
Farmers irrigate their fields during dry seasons.
Bauern bewässern ihre Felder in der Trockenzeit.
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 /ˌɪntərˈtwaɪnd/

intertwined

Glück
Meaning
closely connected or twisted together
Example
Their lives became deeply intertwined after the accident.
Sie konnte ihr Glück nicht verbergen, als sie den Preis erhielt.
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 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 /ɪnˈtɛstɪn/

intestine

Darm
Meaning
The part of the digestive system where food is digested and absorbed, extending from the stomach to the anus.
Example
The doctor explained how nutrients are absorbed in the small intestine.
Der Arzt erklärte, wie Nährstoffe im Dünndarm aufgenommen werden.
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 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 ɪnˌɛv.ɪ.təˈbɪl.ɪ.ti

inevitability

Unvermeidbarkeit
Meaning
The quality of being certain to happen and impossible to avoid or prevent.
Example
The inevitability of change is a part of life.
Die Unvermeidbarkeit des Wandels ist ein Teil des Lebens.
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 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 /ɪnˈfriːkwənt/

infrequent

selten
Meaning
Happening rarely or not often.
Example
He made infrequent visits to his hometown after moving abroad.
Er machte seltene Besuche in seiner Heimatstadt, nachdem er ins Ausland gezogen war.
C1 adjective /ɪnˈfæləbl̩/

infallible

unfehlbar
Meaning
incapable of making mistakes or being wrong
Example
Her judgment seemed infallible in matters of finance.
Ihr Urteil schien in finanziellen Angelegenheiten unfehlbar.
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 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 /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 /ɪˈrɛvəkəbl/

irrevocable

unwiderruflich
Meaning
Not able to be revoked, changed, or undone.
Example
She made an irrevocable decision to leave the company.
Sie traf eine unwiderrufliche Entscheidung, das Unternehmen zu verlassen.
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.
C1 noun /ɪnˈsɜːʃən/

insertion

Einfügung
Meaning
the action of inserting something into something else
Example
The insertion of the new data was completed successfully.
Die Einfügung der neuen Daten wurde erfolgreich abgeschlossen.
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 /ɪˈnænɪmət/

inanimate

lebensloses Objekt
Meaning
not alive, especially not in the manner of animals and humans; lifeless
Example
The museum was full of inanimate objects from ancient times.
Das Museum war voller lebloser Objekte aus alten Zeiten.
C1 adjective ɪmˈpɛkəbl

impeccable

makellos
Meaning
In accordance with the highest standards; faultless.
Example
His impeccable taste in fashion was admired by all his peers.
Sein makelloser Geschmack in der Mode wurde von allen seinen Kollegen bewundert.
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 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.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 adjective /ɪnˈsɛp(ə)rəbəl/

inseparable

unzertrennlich
Meaning
Unable to be separated or always together.
Example
The two friends have been inseparable since childhood.
Die beiden Freunde sind seit ihrer Kindheit unzertrennlich.
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 /ɪˈrɛvərənt/

irreverent

respektlos
Meaning
showing a lack of respect for people or things that are usually respected
Example
The comedian’s irreverent jokes offended some of the audience.
Die respektlosen Witze des Komikers haben einige Zuschauer beleidigt.
C1 adjective ˌɪn.təˈdɪs.ɪ.plɪ.nər.i

interdisciplinary

interdisziplinär
Meaning
Relating to more than one branch of knowledge.
Example
The interdisciplinary approach in education enhances problem-solving skills.
Der interdisziplinäre Ansatz in der Bildung fördert Problemlösungsfähigkeiten.
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 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 /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 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 verb /ɪnˈskraɪb/

inscribe

einritzen
Meaning
to write or carve words or symbols on a surface
Example
They inscribed her name on the trophy.
Sie haben ihren Namen auf dem Pokal eingraviert.
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 /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 /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 /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 adjective /ɪnˈtjuː.ɪ.tɪv/

intuitive

intuitiv
Meaning
Based on instinctive understanding rather than reasoning.
Example
The software has an intuitive design that makes it easy to use.
Die Software hat ein intuitives Design, das die Nutzung einfach macht.
C1 adjective /ɪˈmeʒərəbəl/

Immeasurable

unermesslich
Meaning
too large or extensive to measure; boundless
Example
The immeasurable love of a mother knows no bounds.
Die unermessliche Liebe einer Mutter kennt keine Grenzen.
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 /ˈɪnsələnt/

insolent

unverschämt, arrogant
Meaning
showing a rude and arrogant lack of respect
Example
The insolent student refused to follow the teacher's instructions.
Der unverschämte Schüler weigerte sich, den Anweisungen des Lehrers zu folgen.
C1 noun /ˌɪndɪˈdʒɛstʃən/

indigestion

Verdauungsstörung
Meaning
Discomfort or pain in the stomach associated with difficulty in digesting food.
Example
He avoided spicy food because it often gave him indigestion.
Er vermied scharfes Essen, weil es ihm oft Verdauungsstörungen verursachte.
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 /ɪmˈpɛtʃ.u.əs/

impetuous

impulsiv
Meaning
Acting or done quickly and without thought or care; impulsive.
Example
His impetuous decision led to unexpected consequences.
Seine impulsive Entscheidung führte zu unerwarteten Konsequenzen.
C1 adjective /ˈɪrɪtəbl/

irritable

reizbar
Meaning
easily annoyed or made angry
Example
She became irritable after working long hours without rest.
Sie wurde reizbar, nachdem sie lange Stunden ohne Ruhe gearbeitet hatte.
C1 noun /ˌɪməˈtjʊərəti/

immaturity

Unreife
Meaning
the state of not being fully developed emotionally, mentally, or physically; lack of maturity
Example
His immaturity made it difficult for him to handle responsibility.
Seine Unreife machte es ihm schwer, Verantwortung zu übernehmen.
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 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 /ɪnˈhjuːmən/

Inhuman

unmenschlich
Meaning
lacking human qualities; cruel; brutal; savage
Example
The dictator's inhuman treatment of prisoners shocked the international community.
Die unmenschliche Behandlung der Gefangenen durch den Diktator schockierte die internationale Gemeinschaft.