Indefinite
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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 verb /ɪˈnɔːɡjʊreɪt/

inaugurate

einweihen
Meaning
To formally begin or introduce something, especially with a ceremony.
Example
The mayor will inaugurate the new bridge tomorrow.
Der Bürgermeister wird morgen die neue Brücke einweihen.
C2 adjective /ˌɪnfəˈlɪsɪtəs/

infelicitous

unangemessen
Meaning
not suitable or well chosen; awkward or unfortunate
Example
His infelicitous remark ruined the atmosphere of the meeting.
Seine unangemessene Bemerkung ruinierte die Atmosphäre des Treffens.
C2 adjective /ɪnˈdjuːbɪtəbl/

indubitable

unzweifelbar
Meaning
Impossible to doubt; unquestionable.
Example
It is indubitable that hard work leads to success.
Es ist unzweifelbar, dass harte Arbeit zum Erfolg führt.
C1 adverb ɪnˈtrɪn.zɪ.kli

intrinsically

intrinsisch
Meaning
In a way that is naturally or inherently part of something's essential nature.
Example
Some people are intrinsically motivated to learn.
Einige Menschen sind intrinsisch motiviert zu lernen.
B1 noun ɪˈnɪʃətɪv

initiative

Initiative
Meaning
An act or strategy intended to resolve a difficulty or improve a situation; a fresh approach to something.
Example
NASA's initiative to return humans to the Moon is ambitious.
Die Initiative der NASA, Menschen zum Mond zurückzubringen, ist ehrgeizig.
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.
B2 noun /ɪnˈtɛnt/

intent

Absicht
Meaning
the purpose or reason behind an action; a strong determination to do something
Example
Her intent was to improve the quality of education in the community.
Ihre Absicht war es, die Qualität der Bildung in der Gemeinschaft zu verbessern.
C2 adjective /ˌɪnkɒntrəˈvɜːtəbl/

incontrovertible

unbestreitbar
Meaning
impossible to deny or dispute; unquestionable
Example
The evidence was incontrovertible and proved his innocence.
Die Beweise waren unbestreitbar und bewiesen seine Unschuld.
B2 adjective /ɪmˈpɪəriəl/

imperial

imperial
Meaning
Relating to an empire or emperor; having supreme authority.
Example
The imperial palace was a symbol of the emperor's power.
Der imperial Palast war ein Symbol für die Macht des Kaisers.
A2 noun /ˈɪm.ɪdʒ/

Image

Bild; Darstellung; Abbild; Vorstellung
Meaning
a representation of the external form of a person or thing in art; a mental picture or impression
Example
The company worked hard to improve its public image after the scandal.
Das Unternehmen arbeitete hart daran, sein öffentliches Bild nach dem Skandal zu verbessern.
B2 noun ˈɪnər strɛŋkθ

inner strength

innere Stärke
Meaning
Mental or spiritual power that helps a person cope with difficulties.
Example
Community service fosters inner strength in individuals.
Gemeinnützige Arbeit fördert die innere Stärke in Einzelpersonen.
C1 noun /ˈɪŋklɪŋ/

inkling

Ahnung
Meaning
A slight idea, hint, or suspicion about something.
Example
She had an inkling that he was planning a surprise.
Sie hatte einen leichten Verdacht, dass er eine Überraschung plante.
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 adjective /ˌɪnɑːrˈtɪkjʊlət/

inarticulate

unverständlich
Meaning
Unable to express oneself clearly or effectively in speech or writing.
Example
She became inarticulate with emotion during the speech.
Sie wurde beim Vortrag vor Emotionen unverständlich.
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.
B2 noun /ɪnˈvɛstɪˌɡeɪtər/

investigator

Glück
Meaning
a person who carries out a formal inquiry or investigation
Example
The investigator gathered evidence from the crime scene.
Sie konnte ihr Glück nicht verbergen, als sie den Preis erhielt.
B1 noun /ˈɪnstrəmənt/

instrument

Instrument
Meaning
A tool or device used for a particular purpose, especially for scientific or musical work.
Example
The doctor used a special instrument during the surgery.
Der Arzt benutzte ein spezielles Instrument während der Operation.
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.
B2 verb /ɪnˈtriːɡ/

intrigue

intrigieren
Meaning
to arouse curiosity or interest; to make someone fascinated
Example
The mystery novel will intrigue any reader.
Der Mystery-Roman wird jeden Leser faszinieren.
C2 noun /ˈaɪ.lət/

islet

Inselchen
Meaning
A very small island.
Example
The fishermen rested on a tiny islet before continuing their journey.
Die Fischer ruhten auf einem kleinen Inselchen, bevor sie ihre Reise fortsetzten.
B2 adjective /ɪnˈfekʃəs/

infectious

ansteckend
Meaning
capable of causing infection or disease; spreading easily from one person to another; able to spread feelings or attitudes such as enthusiasm
Example
Her infectious laughter made everyone in the room smile.
Ihr ansteckendes Lachen brachte alle zum Lächeln.
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.
C2 verb /ɪnˈɡreɪʃiˌeɪt/

ingratiate

Meaning
To gain favor or approval by deliberate effort, often in a flattering way.
Example
She tried to ingratiate herself with her boss by complimenting him often.
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 adjective /ˌɪndɪˈvɪzəbl/

indivisible

unteilbar
Meaning
Not able to be divided or separated.
Example
The country's unity was indivisible despite differences.
Die Einheit des Landes war trotz der Unterschiede unteilbar.
C2 adjective /ɪˈmɒdərət/

immoderate

immoderat
Meaning
excessive; beyond reasonable limits
Example
He has an immoderate love for sweets.
Er hat eine immoderate Liebe zu Süßigkeiten.
A1 noun /ˈɪntənet/

internet

globales Computernetzwerk
Meaning
A global computer network providing a variety of information and communication facilities.
Example
The internet has revolutionized the way we access information.
Das Internet hat die Art und Weise revolutioniert, wie wir auf Informationen zugreifen.
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.
C2 noun /ˈɪntəˌkrɒpɪŋ/

intercropping

Zwischenfruchtanbau
Meaning
The agricultural practice of cultivating two or more crops simultaneously in the same field to maximize land use efficiency and improve soil health.
Example
Intercropping can help improve soil fertility and pest control.
Der Zwischenfruchtanbau kann helfen, die Bodenfruchtbarkeit und die Schädlingsbekämpfung zu verbessern.
B2 verb /ɪnˈtɜːrprət/

interpret

interpretieren / übersetzen
Meaning
to explain the meaning of something; to translate orally
Example
She had to interpret the speech for the foreign guests.
Sie musste die Rede für die ausländischen Gäste übersetzen.
B2 noun /ɪmˈpɒlɪtnəs/

impoliteness

Unhöflichkeit
Meaning
lack of good manners or courtesy; rude behavior
Example
His impoliteness towards the guests shocked everyone.
Seine Unhöflichkeit gegenüber den Gästen schockierte alle.
C2 verb ˈɪn.kʌl.keɪt

inculcate

einpflanzen
Meaning
Instill an attitude, idea, or habit by persistent instruction; to teach and impress by frequent repetitions.
Example
Parents should inculcate good values in their children.
Eltern sollten ihren Kindern gute Werte einpflanzen.
C1 verb ɪˈmɜːrs

immerse

eintauchen
Meaning
To involve oneself deeply in a particular activity or interest; to surround completely.
Example
Immerse yourself in the new language.
Tauche in die neue Sprache ein.
C2 adjective /ˌɪndɪˈtɜːrmənət/

indeterminate

unbestimmt
Meaning
Not exactly known, defined, or established; vague or uncertain.
Example
The project was delayed for an indeterminate amount of time.
Das Projekt wurde für eine unbestimmte Zeit verzögert.
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 /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.
C2 adjective /ˌɪnsəˈluːbriəs/

insalubrious

ungesund
Meaning
Unhealthy or not conducive to well-being.
Example
They moved out of the insalubrious neighborhood for the sake of their health.
Sie zogen aus dem ungesunden Viertel für ihre Gesundheit heraus
C1 adjective /ɪnˈvɪnsəbl/

invincible

unbesiegbar
Meaning
too powerful to be defeated or overcome
Example
The team seemed invincible after winning ten matches in a row.
Das Team schien unbesiegbar, nachdem es zehn Spiele hintereinander gewonnen hatte.
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.
B1 verb /ɪnˈvɛnt/

invent

erfinden
Meaning
to create or design something that has not existed before
Example
Thomas Edison invented the electric bulb.
Thomas Edison erfand die elektrische Glühbirne.
A2 noun /ɪmˈpɔːtəns/

importance

Bedeutung
Meaning
The quality or state of being important; consequence or significance.
Example
The importance of time management cannot be overstated.
Die Bedeutung des Zeitmanagements kann nicht hoch genug eingeschätzt werden.
C2 noun /ɪˌledʒ.əˈbɪl.ə.ti/

Illegibility

Unleserlichkeit
Meaning
the quality of being impossible or difficult to read; unclear writing or print
Example
The doctor's handwriting was famous for its illegibility among the pharmacy staff.
Die Handschrift des Arztes war berüchtigt für ihre Unleserlichkeit unter dem Apothekenpersonal.
B2 adjective ˌɪn.təˈræk.tɪv

interactive

interaktiv
Meaning
Allowing a two-way flow of information between it and a user, responding to the user's input.
Example
Interactive learning keeps students engaged in lessons.
Interaktives Lernen hält die Schüler in den Lektionen engagiert.
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 /ɪnˈflæməbəl/

Inflammable

entzündlich; brennbar
Meaning
easily set on fire; flammable; combustible
Example
The inflammable material caught fire quickly.
Das entzündliche Material brannte schnell.
B1 noun/adjective /ˈɪnstənt/

instant

augenblicklich
Meaning
A very short period of time; happening immediately.
Example
He replied in an instant without hesitation.
Er antwortete im Augenblick ohne zu zögern.
C2 noun /ɪnˈsɪɡniə/

insignia

Abzeichen
Meaning
A badge or symbol that shows rank, position, or membership.
Example
The soldier proudly wore the insignia of his regiment.
Der Soldat trug stolz das Abzeichen seines Regiments.
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 /ˌɪnɪkˈstrɪkəbl/

inextricable

untrennbar
Meaning
Impossible to separate or escape from.
Example
The two friends shared an inextricable bond.
Die beiden Freunde teilten ein untrennbares Band.
A1 preposition /ˈɪntuː/

into

hinein
Meaning
expressing movement or direction to the inside of something
Example
She walked into the room quietly.
Sie ging leise in das Zimmer.
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.
B2 adjective /ɪnˈfɪə.ri.ər/

inferior

minderwertig
Meaning
Of lower quality, rank, or status.
Example
This material is inferior to the one we used before.
Dieses Material ist minderwertiger als das, das wir vorher verwendet haben.
B1 verb /ˌɪntəˈrʌpt/

interrupt

unterbrechen
Meaning
to stop someone from speaking or doing something by suddenly saying or doing something
Example
She tried not to interrupt while he was speaking.
Sie versuchte nicht zu unterbrechen, während er sprach.
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.
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.
C2 noun /ˈaɪ.kɒn/

ikon

religiöses Bild oder Symbol
Meaning
A religious image or symbol, especially in the Eastern Orthodox Church.
Example
The church displayed a beautifully painted ikon of the Virgin Mary.
Die Kirche zeigte ein wunderschön gemaltes Ikon der Jungfrau Maria.
C1 noun /ˌɪn.dʒəˈnjuː.ɪ.ti/

ingenuity

genialität
Meaning
The quality of being clever, original, and inventive.
Example
His ingenuity led to groundbreaking innovations.
Seine Ingenuität führte zu bahnbrechenden Innovationen.
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 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.
B2 noun /ˈɪnˌteɪk/

intake

aufnahme
Meaning
the process of taking something in, especially food or drink
Example
He monitored his daily intake of calories to maintain a healthy diet.
Er überwachte seine tägliche Kalorienaufnahme, um eine gesunde Ernährung beizubehalten.
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 /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.
B1 adjective /ɪmˈpres.ɪv/

Impressive

beeindruckend
Meaning
striking; remarkable; having the ability to impress
Example
Her impressive performance earned her a standing ovation.
Ihre beeindruckende Darbietung brachte ihr eine Standing Ovation.
C2 verb /ˈɪmprɪkeɪt/

imprecate

verfluchen
Meaning
To utter a curse or invoke evil upon someone.
Example
The old woman imprecated her enemies with dark words.
Die alte Frau verfluchte ihre Feinde mit dunklen Worten.
A2 verb /ɪˈmædʒɪn/

imagine

vorstellen
Meaning
to form a mental image of; to believe something unreal to be true
Example
Can you imagine living in a different country?
Kannst du dir vorstellen, in einem anderen Land zu leben?
B2 adjective /ɪnˈtɒlərənt/

intolerant

intolerant
Meaning
unwilling to accept or respect beliefs or behavior different from one's own
Example
He is intolerant of any opinion that differs from his own.
Er ist intolerant gegenüber jeder Meinung, die sich von seiner eigenen unterscheidet.
C2 noun /ɪnˈɡrætɪˌtjuːd/

ingratitude

Undankbarkeit
Meaning
Lack of gratitude; failure to show thanks or appreciation.
Example
His ingratitude hurt her feelings after all she had done for him.
Seine Undankbarkeit tat ihr weh, nachdem sie so viel für ihn getan hatte.
C1 adjective /ɪmˈpæsəbəl/

impassable

unpassierbar
Meaning
Impossible to travel along or over.
Example
The road became impassable after the heavy snowfall.
Die Straße wurde nach dem schweren Schneefall unpassierbar.
C2 noun /ɪnˈsuːsiəns/

insouciance

Sorglosigkeit
Meaning
Casual lack of concern; indifference.
Example
She carried herself with an air of insouciance, unbothered by the challenges ahead.
Sie ging mit einer Haltung der Sorglosigkeit, unbesorgt über die bevorstehenden Herausforderungen.
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.
C2 verb /ˌɪntərˈsiːd/

intercede

intervenieren
Meaning
to act or plead on behalf of someone in difficulty or trouble; to intervene between parties to help resolve a dispute
Example
She interceded with the teacher to give her brother another chance.
Sie hat beim Lehrer eingegriffen, um ihrem Bruder eine weitere Chance zu geben.
B2 noun ˌɪr.ɪˈɡeɪ.ʃən

irrigation

bewässerung
Meaning
The artificial application of water to land or soil.
Example
Irrigation systems improve crop yields in dry regions.
Bewässerungssysteme verbessern die Erträge in trockenen Regionen.
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 /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 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.
C2 verb /ˈɪŋkʌlpeɪt/

inculpate

beschuldigen
Meaning
To blame or accuse someone of wrongdoing.
Example
The evidence seemed to inculpate the suspect in the crime.
Die Beweise schienen den Verdächtigen im Verbrechen zu beschuldigen.
C1 adjective /ˌɪnəˈfɛnsɪv/

inoffensive

harmlos
Meaning
Not likely to offend or provoke; harmless.
Example
His inoffensive remarks kept the conversation friendly.
Seine harmlosen Bemerkungen hielten das Gespräch freundlich.
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 /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 adjective /ɪˈnɒkjuəs/

innocuous

harmlos
Meaning
Not harmful or offensive.
Example
His remark was completely innocuous and not meant to offend anyone.
Seine Bemerkung war völlig harmlos und nicht dazu gedacht, jemanden zu beleidigen.
B1 verb /ɪnˈtend/

intend

beabsichtigen
Meaning
to plan or have in mind as a purpose; to mean
Example
I intend to finish this project by tomorrow.
Ich beabsichtige, dieses Projekt bis morgen zu beenden.
B1 noun /ɪnˈstrʌkʃən/

instruction

Anweisung
Meaning
Detailed information telling how something should be done or operated.
Example
Please read the instruction carefully before using the machine.
Bitte lesen Sie die Anweisung sorgfältig, bevor Sie die Maschine benutzen.
C2 adjective /ˌaɪ.kə.nəˈklæs.tɪk/

iconoclastic

gekennzeichnet durch das Angreifen oder Ablehnen von etablierten Überzeugungen, Traditionen oder Werten
Meaning
Characterized by attacking or rejecting cherished beliefs, traditions, or established values.
Example
Her iconoclastic views challenged the conventional wisdom of the industry.
Ihre ikonoklastischen Ansichten stellten die konventionelle Weisheit der Branche in Frage.
C2 adjective /ɪnˈkɒnstənt/

inconstant

unbeständig
Meaning
frequently changing; not consistent or dependable
Example
His inconstant moods made it difficult to work with him.
Seine unbeständigen Launen machten es schwierig, mit ihm zu arbeiten.
C2 noun /ˈɪnˌɡreɪt/

ingrate

Undankbarer
Meaning
An ungrateful person; someone who shows no appreciation.
Example
He worked hard for his friend, but the ingrate never thanked him.
Er arbeitete hart für seinen Freund, aber der Undankbare hat ihm nie gedankt.
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.
B2 noun ˌɪntəˈlektʃuəlz

intellectuals

Intellektuelle
Meaning
People possessing a highly developed intellect; scholars or academics.
Example
Intellectuals protested against the dominance.
Die Intellektuellen protestierten gegen die Vorherrschaft.
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 /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 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.
C2 noun /ˈɪl.i.æd/

iliad

Ilias
Meaning
An ancient Greek epic poem attributed to Homer, describing the events of the Trojan War.
Example
Students studied the Iliad to understand Greek mythology and heroism.
Die Studenten studierten die Ilias, um die griechische Mythologie und den Heroismus zu verstehen.
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 ˌɪndɪˈspensəbl səˈpɔːrt

indispensable support

unverzichtbare Unterstützung
Meaning
Essential assistance that cannot be done without; absolutely necessary help.
Example
Volunteers provide indispensable support to communities.
Freiwillige leisten unverzichtbare Unterstützung für Gemeinschaften.
C2 adjective /ɪmˌpɜːrˈsweɪdəbl/

impersuadable

unüberzeugbar
Meaning
not able to be convinced or persuaded
Example
She remained impersuadable despite all our arguments.
Sie blieb unüberzeugbar trotz all unserer Argumente.
B2 verb /ˈɪmɪɡreɪt/

immigrate

einwandern
Meaning
to come to live permanently in a foreign country
Example
He immigrated to Canada five years ago.
Er ist vor fünf Jahren nach Kanada eingewandert.
C2 noun /ɪnˌtɛl.ɪˈdʒɛntsi.ə/

intelligentsia

Intelligenzija
Meaning
The group of people engaged in intellectual and cultural pursuits in a society.
Example
The intelligentsia played a key role in shaping public opinion.
Die Intelligenzija spielte eine Schlüsselrolle bei der Bildung der öffentlichen Meinung.
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 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 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.
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.
B1 adjective /ɪmˈpruːvd/

improved

verbessert
Meaning
made better or enhanced in quality or condition
Example
Her health has significantly improved since last month.
Ihre Gesundheit hat sich seit letztem Monat erheblich verbessert.
C1 adjective /ɪˈnɜːrt/

inert

inaktiv
Meaning
lacking the ability or strength to move or act; chemically inactive
Example
The patient remained inert on the bed.
Der Patient blieb regungslos im Bett.
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 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.
C2 noun /ˌɪlɪbəˈræləti/

illiberality

Intoleranz
Meaning
The quality of being illiberal; lack of tolerance or generosity.
Example
The illiberality of the new laws alarmed the citizens.
Die Illiberalität der neuen Gesetze alarmierte die Bürger.
C2 adverb /ˈaɪsɪli/

icily

kalt
Meaning
In a very cold, unfriendly, or hostile manner.
Example
She replied icily to his question.
Sie antwortete kalt auf seine Frage.
B2 verb /ɪnˈhæbɪt/

inhabit

bewohnen
Meaning
to live in; to occupy as a dwelling
Example
Many animals inhabit the forest.
Viele Tiere bewohnen den Wald.
C2 noun /ɪmˈpjuːɪsəns/

impuissance

Ohnmacht, Unfähigkeit
Meaning
inability to take effective action; helplessness
Example
The government’s impuissance in the face of crisis frustrated the people.
Die Ohnmacht der Regierung angesichts der Krise frustrierte die Bevölkerung.
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.
C2 noun /ˈɪsməs/ or /ˈɪsθməs/

isthmus

Isthmus
Meaning
A narrow strip of land connecting two larger land areas, often with water on either side.
Example
The Panama Canal cuts through the Isthmus of Panama.
Der Panamakanal verläuft durch den Isthmus von Panama.
B2 verb /ɪˈnɪʃieɪt/

initiate

einleiten
Meaning
to begin or start; to introduce someone to a new activity
Example
The company will initiate a new training program.
Das Unternehmen wird ein neues Schulungsprogramm einleiten.
B1 noun /ɪnˈstrʌkʃənz/

instructions

Anweisungen
Meaning
Detailed information on how something should be done or operated.
Example
Please follow the instructions on the box.
Bitte folgen Sie den Anweisungen auf der Box.
C2 adjective /ɪmˈplaɪəbl/

impliable

implizierbar
Meaning
Capable of being implied or suggested.
Example
The meaning of the statement is not directly clear but is impliable from the context.
Die Bedeutung der Aussage ist nicht direkt klar, aber sie ist aus dem Kontext implizierbar.
C2 noun /ˌɪntərpəˈzɪʃən/

interposition

Zwischenkunft
Meaning
The act of intervening or coming between two things, often to influence or prevent an outcome.
Example
The manager’s interposition prevented a heated argument from escalating.
Die Zwischenkunft des Managers verhinderte, dass sich ein hitziger Streit zuspitzte.
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 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 /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 /ɪˈmoʊbəl/

immobile

unbeweglich
Meaning
unable to move or be moved
Example
After the accident, he was immobile for weeks.
Nach dem Unfall war er wochenlang unbeweglich.
C2 noun /ˈɪn.fɪ.del/

Infidel

Heiden
Meaning
a person who does not believe in religion or whose religious beliefs differ from one's own
Example
In historical contexts, crusaders often referred to their enemies as infidels.
In historischen Kontexten bezeichneten Kreuzfahrer ihre Feinde oft als Heiden.
C2 noun /ˌɪnkænˈdɛsəns/

incandescence

Infrarotstrahlung
Meaning
the emission of light from a hot object; brilliance
Example
The incandescence of the candle filled the dark room.
Die Infrarotstrahlung der Kerze füllte den dunklen Raum.