invalidity
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
C2 noun /ˌɪnvəˈlɪdɪti/

invalidity

Ungültigkeit
Meaning
the state of being invalid, legally void, or lacking force or validity
Example
The court ruled that the contract suffered from invalidity.
Das Gericht entschied, dass der Vertrag ungültig war.
C2 noun /ɪnˈvɛktɪv/

invective

beleidigende Sprache
Meaning
Insulting, abusive, or highly critical language.
Example
The politician’s speech was filled with invective against his opponents.
Die Rede des Politikers war voller beleidigender Sprache gegen seine Gegner.
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.
C2 adjective ɪˈnɛfəbl

ineffable

unbeschreiblich
Meaning
Too great or extreme to be expressed or described in words.
Example
The beauty of the landscape was ineffable.
Die Schönheit der Landschaft war unbeschreiblich.
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 /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.
C2 verb /ɪmˈpɛnd/

impend

drohen
Meaning
to be about to happen; to loom threateningly
Example
Dark clouds suggested that a storm was impeding.
Dunkle Wolken deuteten darauf hin, dass ein Sturm bevorstand.
C2 adjective /ɪnˈvaɪələbl/

inviolable

unverletzlich
Meaning
never to be broken, dishonored, or violated
Example
Human rights are considered inviolable in modern democracies.
Menschenrechte gelten in modernen Demokratien als unverletzlich.
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.
C2 adjective /ɪnˈkoʊ.ɪt/ or /ɪnˈkoʊ.eɪt/

inchoate

unvollständig
Meaning
Just begun and not fully formed; rudimentary.
Example
His inchoate ideas needed more research to be developed.
Seine unvollständigen Ideen benötigten mehr Forschung, um weiterentwickelt zu werden.
A2 noun/verb /ˈaɪən/ or /ˈaɪərn/

iron

Eisen / Bügeleisen
Meaning
a strong, hard metal used in construction; also to press clothes with heat
Example
He used an iron to smooth his shirt.
Er benutzte ein Bügeleisen, um sein Hemd zu glätten.
B2 adjective /ɪmˈper.ə.tɪv/

imperative

imperativ
Meaning
Of vital importance; crucial; giving or expressing a command.
Example
It is imperative to address the climate crisis immediately.
Es ist imperative, die Klimakrise sofort anzugehen.
B2 adjective/noun /ɪˈrɑːki/

iraqi

irakisch
Meaning
relating to Iraq or its people
Example
The Iraqi culture is rich and diverse.
Die irakische Kultur ist reich und vielfältig.
C2 adjective /ɪmˈpælpəbəl/

impalpable

unfühlbar
Meaning
unable to be felt by touch; difficult to grasp or understand
Example
There was an impalpable sense of fear in the room.
Es gab ein unfühlbares Gefühl der Angst im Raum.
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.
C2 adjective /ˌɪndɪˈsɒljʊbl/

indissoluble

Unauflöslich
Meaning
Unable to be destroyed, broken, or dissolved.
Example
Marriage was once considered an indissoluble bond.
Die Ehe wurde einst als unauflösliche Bindung betrachtet.
C1 noun /ˈɪŋ.krə.mənt/

Increment

Erhöhung
Meaning
an increase or addition, especially one of a series on a fixed scale; a regular increase in salary
Example
He received an annual increment of five percent in his salary this year.
Er erhielt in diesem Jahr eine jährliche Erhöhung von fünf Prozent seines Gehalts.
B2 noun /ɪnˌtɜːrprəˈteɪʃən/

interpretation

Interpretation
Meaning
the action of explaining the meaning of something
Example
The teacher gave her own interpretation of the poem.
Die Lehrerin gab ihre eigene Interpretation des Gedichts.
B2 noun /ɪnˈsen.tɪv/

Incentive

Anreiz; Ansporn
Meaning
a thing that motivates or encourages someone to do something; a reward or penalty that influences behavior
Example
The company offered a cash incentive to employees who exceeded their sales targets.
Das Unternehmen bot den Mitarbeitern, die ihre Verkaufsziele übertroffen haben, einen Geldanreiz an.
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.
B1 adjective /ˈɪnəsənt/

Innocent

unschuldig; rein; harmlos
Meaning
free from guilt or sin; pure; harmless; naive
Example
The innocent child had no idea that her parents were planning a surprise party.
Das unschuldige Kind hatte keine Ahnung, dass ihre Eltern eine Überraschungsparty planten.
C2 verb /ɜːrk/

irk

ärgern
Meaning
to annoy or irritate someone
Example
It irks me when people are late without calling.
Es ärgert mich, wenn Leute ohne anzurufen zu spät kommen.
C1 adjective ˌɪdiəsɪnˈkrætɪk

idiosyncratic

eigenartig und individuell
Meaning
Relating to idiosyncrasy; peculiar or individual.
Example
His idiosyncratic behavior set him apart from his colleagues.
Sein idiosynkratisches Verhalten unterschied ihn von seinen Kollegen.
B2 verb /ɪnˈʃʊər/

insure

versichern
Meaning
to provide insurance; to make certain
Example
I need to insure my new car.
Ich muss mein neues Auto versichern.
B2 adjective ˈɪn.tɪ.ɡrəl

integral

integral
Meaning
Necessary to make a complete whole; essential or fundamental.
Example
Exercise is an integral part of a healthy lifestyle.
Übung ist ein integraler Bestandteil eines gesunden Lebensstils.
C1 adjective /ˈɪɡ.ni.əs/

igneous

magmatisch
Meaning
Formed through the cooling and solidification of magma or lava.
Example
Granite is an igneous rock commonly used in construction.
Granit ist ein magmatisches Gestein, das häufig im Bauwesen verwendet wird.
B2 adjective /aɪˈrɒnɪk/

ironic

ironisch, sarkastisch
Meaning
happening in the opposite way to what is expected, often amusing or sarcastic
Example
It is ironic that the fire station burned down.
Es ist ironisch, dass die Feuerwehrstation abgebrannt ist.
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.
A2 verb /ɪnˈkluːd/

include

einschließen
Meaning
to have as part of a whole; to contain or comprise
Example
The price includes all taxes.
Der Preis schließt alle Steuern ein.
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.
C2 noun /ɪˈluːmɪnənt/

illuminant

Beleuchtung
Meaning
A substance or device that produces light.
Example
The lamp acted as an illuminant in the dark cave.
Die Lampe fungierte als Beleuchtung in der dunklen Höhle.
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.
C2 verb /ɪnˈtɜːr/

inter

beerdigen
Meaning
To bury a dead body in the ground.
Example
They decided to inter the soldier with full honors.
Sie beschlossen, den Soldaten mit allen Ehren zu beerdigen.
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.
B2 noun /ˈɪntərvəl/

interval

intervall
Meaning
a period of time between two events or points; a pause or break in activity
Example
There was a short interval between the two performances.
Es gab ein kurzes Intervall zwischen den beiden Aufführungen.
C1 noun ˌɪn.toʊˈneɪ.ʃən

intonation

Intonation
Meaning
The rise and fall of tone in speech and pronunciation.
Example
Proper intonation enhances the clarity of a speech.
Die richtige Intonation verbessert die Klarheit einer Rede.
B2 noun /ˈɪnvənˌtɔːri/

inventory

Inventar
Meaning
A complete list of items, such as goods in stock or property.
Example
The shopkeeper checked the inventory before opening the store.
Der Ladenbesitzer hat das Inventar überprüft, bevor er den Laden öffnete.
C2 adjective /ˌɪnɪkˈspiːdiənt/

inexpedient

unangebracht
Meaning
Not advisable, suitable, or practical in the circumstances.
Example
It would be inexpedient to invest without proper research.
Es wäre unangebracht, ohne gründliche Recherche zu investieren.
C2 adjective /ˌɪrɪˈdɛsənt/

iridescent

irisierend
Meaning
showing luminous colors that seem to change when seen from different angles
Example
She wore an iridescent dress that sparkled in the light.
Sie trug ein irisierendes Kleid, das im Licht funkelte.
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.
B2 noun ˈɪn.frəˌstrʌk.tʃər

infrastructure

infrastruktur
Meaning
The basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
Example
Digital infrastructure is vital for future advancements.
Digitale Infrastruktur ist entscheidend für zukünftige Fortschritte.
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.
C2 noun /ɪmˈpaɪ.ə.ti/

Impiety

Gottlosigkeit
Meaning
lack of piety or reverence, especially for a god; disrespect or irreverence toward religious matters
Example
His impiety shocked the religious community when he mocked their sacred ceremonies.
Seine Gottlosigkeit schockierte die religiöse Gemeinschaft, als er sich über ihre heiligen Zeremonien lustig machte.
C2 adjective /ɪnˈɛstɪməbl/

inestimable

unermesslich
Meaning
Too great or valuable to be measured or estimated.
Example
Her contribution to the project was of inestimable value.
Ihr Beitrag zum Projekt war von unermesslichem Wert.
B2 adverb /ɪnˈɛvɪtəbli/

inevitably

unvermeidlich
Meaning
in a way that cannot be avoided or prevented
Example
Inevitably, the team faced challenges during the project.
Unvermeidlich stand das Team während des Projekts vor Herausforderungen.
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.
C2 noun /ˈɪntərˌveɪl/

intervale

niedriges Land entlang eines Flusses, normalerweise fruchtbar und flach
Meaning
A low-lying tract of land along a river, usually fertile and flat.
Example
The farmers cultivated crops on the lush intervale by the river.
Die Bauern bauten Ernten auf dem fruchtbaren Intervallland am Fluss an.
C1 verb /ɪnˈfɛst/

infest

befallen
Meaning
to overrun in large numbers, especially so as to cause damage or discomfort
Example
The old house was infested with rats.
Das alte Haus war von Ratten befallen.
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 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.
B2 noun ˌɪm.plɪˈkeɪ.ʃən

implication

Implikation
Meaning
A conclusion that can be drawn from something although it is not explicitly stated; a likely consequence.
Example
The implication of climate change is severe.
Die Implikation des Klimawandels ist schwerwiegend.
C2 adjective /ˌɪnkənˈsɪdərəbl/

inconsiderable

geringfügig
Meaning
Too small or unimportant to be worth considering.
Example
The donation was not inconsiderable, though smaller than expected.
Die Spende war nicht geringfügig, obwohl sie kleiner als erwartet war.
C2 adjective /ɪˈrɛzəluːt/

irresolute

unentschlossen
Meaning
uncertain or indecisive; lacking determination
Example
He stood irresolute at the crossroads, unsure which path to take.
Er stand unentschlossen an der Kreuzung und wusste nicht, welchen Weg er nehmen sollte.
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 /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.
C2 noun /ˈɪndələns/

indolence

Indolenz
Meaning
Avoidance of activity or exertion; laziness.
Example
His indolence kept him from finishing the project on time.
Seine Indolenz hinderte ihn daran, das Projekt rechtzeitig abzuschließen.
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 /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.
C2 noun /ɪˌluːmɪˈnɑːti/

illuminati

illuminati
Meaning
a group of people claiming to have special enlightenment or secret knowledge, often linked to conspiracies
Example
Many conspiracy theories involve the Illuminati as a secret world-controlling group.
Viele Verschwörungstheorien beinhalten die Illuminaten als eine geheime, weltbeherrschende Gruppe.
C1 adjective /ˌɪn.dɪˈspen.sə.bəl/

indispensable

unverzichtbar
Meaning
Absolutely necessary, essential
Example
Water is indispensable for human survival.
Wasser ist für das Überleben des Menschen unverzichtbar.
A2 noun/adjective /ˌɪndɪˈvɪdʒuəl/

individual

Individuum
Meaning
A single human being as distinct from a group; relating to one person.
Example
Each individual has the right to freedom of speech.
Jeder Einzelne hat das Recht auf freie Meinungsäußerung.
C2 adjective /ˈɪnmoʊst/

inmost

der tiefste
Meaning
Situated at the very heart or deepest part; most private or secret.
Example
She revealed her inmost thoughts to her closest friend.
Sie enthüllte ihre tiefsten Gedanken ihrem engsten Freund.
C1 noun /ɪnˈfɜː.mə.ti/

Infirmity

Schwäche; Krankheit; Gebrechlichkeit
Meaning
physical or mental weakness; a disease or ailment; frailty
Example
Despite his advanced age and various infirmities, he remained mentally sharp and alert.
Trotz seines fortgeschrittenen Alters und verschiedener Gebrechen blieb er geistig scharf und wachsam.
C2 noun /ˈɪkθiəˌsɔːrz/

ichthyosaurs

Ichtiosaurier (eine Art ausgestorbener Meeresechse)
Meaning
Extinct marine reptiles that resembled fish and dolphins, dominant during the Mesozoic era.
Example
Ichthyosaurs were swift predators of the ancient seas.
Ichtiosaurier waren schnelle Raubtiere der alten Meere.
C2 adjective /ɪnˈsɛndiˌɛri/

incendiary

brandstiftend / aufhetzend
Meaning
designed to cause fires or stir up conflict
Example
The politician’s incendiary remarks angered the crowd.
Die aufhetzenden Bemerkungen des Politikers brachten die Menge aufgebracht.
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 verb ɪmˈbjuː

Imbue

Eine Idee oder ein Gefühl tief in den Geist von jemandem einfließen lassen
Meaning
Mixing some idea or feeling deeply into someone's mind
Example
The teacher tried to imbue students with a love for learning.
Der Lehrer versuchte, den Schülern eine Liebe zum Lernen zu vermitteln.
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.
B2 verb ˈɪmplɪment

implement

umsetzen
Meaning
To put a decision or plan into effect; to execute or apply.
Example
Implementing educational policies is essential for progress.
Es ist entscheidend, Bildungspolitiken umzusetzen, um Fortschritte zu erzielen.
B2 adjective /ɪnˈkeɪpəbəl/

incapable

unfähig
Meaning
lacking the ability, skill, or capacity to do something
Example
He is incapable of understanding complex instructions.
Er ist unfähig, komplexe Anweisungen zu verstehen.
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 ɪˈnɪʃɪeɪtɪd

initiated

initiiert
Meaning
Caused a process or action to begin; started something.
Example
The project was initiated to enhance marine biodiversity.
Das Projekt wurde initiiert, um die marine Biodiversität zu verbessern.
C1 adjective /ɪnˈveə.ri.ə.bəl/

Invariable

unveränderlich; konstant; immer gleich
Meaning
never changing; constant; always the same
Example
His invariable routine includes morning exercise and coffee.
Seine unveränderliche Routine umfasst morgendliche Übungen und Kaffee.
C2 adjective /ˌɪlˈneɪ.tʃəd/

ill-natured

von schlechter Natur
Meaning
Having a bad or unpleasant character; unkind or malicious.
Example
He made an ill-natured remark about his colleague.
Er machte eine Bemerkung von schlechter Natur über seinen Kollegen.
A2 noun /ˈaɪtəm/

item

Artikel
Meaning
A single thing, object, or unit, often part of a list or collection.
Example
Each item on the list must be checked carefully.
Jeder Artikel auf der Liste muss sorgfältig überprüft werden.
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.
B2 noun ɪnˈdʒʌstɪs

injustice

ungerechtigkeit
Meaning
Lack of fairness or justice; the practice of being unjust or unfair.
Example
The story portrays the injustices faced by the common people.
Die Geschichte stellt die Ungerechtigkeiten dar, denen die gewöhnlichen Menschen gegenüberstehen.
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.
B2 verb /ˈɪmɪteɪt/

imitate

imitieren
Meaning
to copy the behavior or manner of someone or something
Example
Children often imitate their parents' behavior.
Kinder ahmen oft das Verhalten ihrer Eltern nach.
A2 adjective /ɪmˈpɑːsəbl/

impossible

unmöglich
Meaning
not able to occur, exist, or be done
Example
It is impossible to finish this work in one day.
Es ist unmöglich, diese Arbeit an einem Tag zu beenden.
C2 verb /ɪnˈdɒktrɪˌneɪt/

indoctrinate

indoktrinieren
Meaning
To teach someone to fully accept a set of beliefs or ideas without question.
Example
The regime tried to indoctrinate the youth with propaganda.
Das Regime versuchte, die Jugend mit Propaganda zu indoktrinieren.
B2 noun ˌɪmplɪmenˈteɪʃən

implementation

Umsetzung
Meaning
The process of putting a decision or plan into effect; execution.
Example
Proper implementation of policies is crucial.
Die ordnungsgemäße Umsetzung von Richtlinien ist entscheidend.
C2 adjective /ˈɪl bred/

Ill-bred

ungezogen
Meaning
lacking good manners; rude; showing poor upbringing
Example
His ill-bred behavior shocked everyone at the dinner party.
Sein ungezogenes Benehmen schockierte alle auf der Dinnerparty.
C2 adjective /ɪnˈtɛsteɪt/

intestate

ohne Testament gestorben
Meaning
Having died without leaving a valid will.
Example
She died intestate, so her assets were distributed by law.
Sie ist ohne Testament gestorben, daher wurde ihr Vermögen nach dem Gesetz verteilt.
C2 adjective /ɪnˈdɛkərəs/

indecorous

indekorös
Meaning
Not in keeping with good taste and propriety; improper.
Example
His indecorous behavior shocked the audience.
Sein indekoröses Verhalten schockierte das Publikum.
C1 adjective /ɪˈmækjələt/

immaculate

makellos
Meaning
perfectly clean, neat, or free from flaws
Example
Her room was immaculate, with everything in its place.
Ihr Zimmer war makellos, alles war an seinem Platz.
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 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 /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 adjective /ˌɪnstənˈteɪniəs/

instantaneous

sofortig
Meaning
Happening immediately, without any delay.
Example
The change in temperature was almost instantaneous.
Die Temperaturänderung war fast sofortig.
C2 noun /ˌɪnjuːˈɛndəʊ/

innuendo

Andeutung
Meaning
An allusive or oblique remark or hint, typically a suggestive or disparaging one.
Example
The manager's innuendo was directed towards his competitor.
Die Andeutung des Managers war an seinen Konkurrenten gerichtet.
C1 noun ɪmˈpɛə(r)mənt

impairment

Schaden, Behinderung
Meaning
The state of being damaged or weakened; a disability or handicap.
Example
Hearing impairment can be caused by long-term exposure to loud noise.
Hörverlust kann durch längere Exposition gegenüber lauten Geräuschen verursacht werden.
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 /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.
C2 noun /ɪnˈsɪpiəns/

incipience

beginn
Meaning
the beginning or initial stage of something
Example
The project was still in its incipience when funding was approved.
Das Projekt war noch in seinem Beginn, als die Finanzierung genehmigt wurde.
C2 adjective /ɪnˈeɪliənəbl/

inalienable

unalienierbar
Meaning
Unable to be taken away or transferred; absolute and permanent.
Example
Freedom of speech is an inalienable right.
Die Meinungsfreiheit ist ein unalienierbares Recht.
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.
C2 noun /ˈaɪdɪl/

idyll

idyllische Szene
Meaning
An extremely happy, peaceful, or picturesque episode or scene, often idealized.
Example
Their honeymoon was an idyll on a tropical island.
Ihre Hochzeitsreise war eine idyllische Szene auf einer tropischen Insel.
A2 adverb /ɪnˈdiːd/

indeed

in der Tat
Meaning
used to emphasize or confirm a statement
Example
It was a long journey indeed.
Es war eine lange Reise, in der Tat.
C1 verb /ˈɪtəreɪt/

iterate

iterieren
Meaning
To repeat a process or statement, often to improve or refine.
Example
The software team will iterate the design until it meets user needs.
Das Softwareteam wird das Design iterieren, bis es den Benutzeranforderungen entspricht.
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 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.
C2 verb /ˈɪntərˌdɪkt/

interdict

verbieten
Meaning
to prohibit or forbid something by authoritative order, often by law or decree
Example
The court moved to interdict the sale of the illegal goods.
Das Gericht beschloss, den Verkauf der illegalen Waren zu verbieten.
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 /ɪmˈbɛd/

imbed

einbetten
Meaning
To fix firmly or deeply in a surrounding mass.
Example
The journalist imbedded himself with the troops to report firsthand.
Der Journalist hat sich mit den Truppen eingebettet, um aus erster Hand zu berichten.
C1 noun ɪˌræʃ.ənˈæl.ɪ.ti

irrationality

Irrationalität, Unvernunft, Unlogik
Meaning
The quality of being illogical or unreasonable; lack of rational thought.
Example
His decision was driven by complete irrationality.
Seine Entscheidung war von völliger Irrationalität getrieben.
C2 adjective /ɪmˈpɑːlɪtɪk/

impolitic

unüberlegt
Meaning
Unwise or imprudent; not showing good judgment.
Example
It would be impolitic to criticize them openly.
Es wäre unüberlegt, sie öffentlich zu kritisieren.
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.
C2 adjective /ɪnˈɛksərəbl/

inexorable

unaufhaltsam
Meaning
Impossible to stop or prevent; relentless.
Example
The inexorable rise of technology is changing every aspect of life.
Der unaufhaltsame Aufstieg der Technologie verändert jeden Aspekt des Lebens.
C2 adjective /ɪmˈpruːdənt/

imprudent

unbedacht
Meaning
Not showing care for the consequences of an action.
Example
It was imprudent to drive in such stormy weather.
Es war unbedacht, bei solchem Sturmwetter zu fahren.
A1 noun /ˈaɪs kriːm/

Ice-cream

eiscreme
Meaning
a frozen sweet dessert made from dairy products, usually served cold
Example
Children love to eat ice-cream on hot summer days.
Kinder essen gerne Eiscreme an heißen Sommertagen.
C2 noun /ˌɪn.trəˈɡreʃ.ən/

introgression

genetische Introgression
Meaning
The transfer of genetic information from one species to another through repeated backcrossing.
Example
Introgression plays a significant role in plant breeding.
Introgression spielt eine wichtige Rolle in der Pflanzenzucht.
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.
B2 verb /ˌɪntərˈviːn/

intervene

eingreifen
Meaning
To come between people, groups, or events, often to prevent conflict or improve a situation.
Example
The teacher had to intervene to stop the fight between the students.
Der Lehrer musste eingreifen, um den Kampf zwischen den Schülern zu stoppen.
C1 adjective /ˈɪndɪɡoʊ bluː/

Indigo-blue

indigoblau
Meaning
a deep blue color with a purplish tinge
Example
The indigo-blue sky looked magnificent at twilight.
Der indigoblaue Himmel sah bei Dämmerung wunderschön aus.
C2 adjective /ɪnˈtræn.sɪ.dʒənt/

intransigent

unversöhnlich, stur, hartnäckig
Meaning
Unwilling or refusing to change one's views or to agree about something.
Example
His intransigent stance delayed the agreement.
Seine intransigente Haltung verzögerte die Vereinbarung.
C2 noun /ˌɪn.strəˈmɛn.təl.ɪst/

instrumentalist

Instrumentalist
Meaning
A person who plays a musical instrument.
Example
The instrumentalist played a beautiful solo on the violin.
Der Instrumentalist spielte ein schönes Solo auf der Violine.
B1 adjective /ɪˈliː.ɡəl/

illegal

illegal
Meaning
Not allowed by law; unlawful.
Example
It is illegal to drive without a valid license.
Es ist illegal, ohne gültigen Führerschein zu fahren.
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.
B2 verb /ɪnˈkɔːrpəreɪt/

incorporate

inkorporieren
Meaning
to include something as part of a whole; to form a corporation
Example
The new design incorporates advanced technology.
Das neue Design inkorporiert fortschrittliche Technologie.
B2 verb /ɪnˈdʌldʒ/

indulge

sich hingeben
Meaning
to allow oneself to enjoy something enjoyable, often excessively
Example
He indulged in a piece of chocolate cake after dinner.
Er hat nach dem Abendessen ein Stück Schokoladenkuchen genossen.