irritated
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B2 adjective /ˈɪrɪteɪtɪd/

irritated

gereizt
Meaning
feeling annoyed or impatient; having inflamed or sore physical condition
Example
She felt irritated by the constant noise outside her window.
Sie war durch den ständigen Lärm gereizt.
B2 adjective /ɪnˈædɪkwət/

inadequate

unzureichend
Meaning
Not sufficient or good enough.
Example
The funding was inadequate to complete the project.
Die Finanzierung war unzureichend, um das Projekt abzuschließen.
B2 verb /ˈaɪ.sə.leɪt/

isolate

isolieren
Meaning
To separate something or someone from others.
Example
Doctors tried to isolate the patient to prevent the spread of infection.
Die Ärzte versuchten, den Patienten zu isolieren, um die Ausbreitung der Infektion zu verhindern.
C1 verb /ɪnˈkrɪmɪˌneɪt/

incriminate

belasten
Meaning
to make someone appear guilty of a crime or wrongdoing
Example
The new evidence could incriminate the suspect in the robbery case.
Die neuen Beweise könnten den Verdächtigen im Raubüberfallfall belasten.
C2 adjective /ˌɪmpɪˈkjuːniəs/

impecunious

arm
Meaning
Having little or no money; poor.
Example
He grew up in an impecunious family.
Er wuchs in einer armen Familie auf.
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 adjective /ˌɪm.pəˈfɛk.tə.bəl/

imperfectible

unperfektibel
Meaning
Incapable of being made perfect or complete.
Example
Some human qualities are considered imperfectible.
Einige menschliche Eigenschaften gelten als unperfektibel.
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.
C2 verb /ɪnˈveɪɡəl/

inveigle

verführen
Meaning
To persuade someone to do something by deception or flattery.
Example
She inveigled him into signing the contract.
Sie überredete ihn, den Vertrag zu unterschreiben.
C2 noun /ˌɪntərˈlɒkjətər/

interlocutor

Gesprächspartner
Meaning
a person who takes part in a conversation or dialogue
Example
She was a skilled interlocutor during the debate.
Sie war eine geschickte Gesprächspartnerin während der Debatte.
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.
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 adjective /ˈɪn.dɪ.dʒənt/

indigent

hilfsbedürftig
Meaning
lacking the necessities of life due to poverty; very poor
Example
The hospital offers free care to indigent patients.
Das Krankenhaus bietet indigenten Patienten kostenlose Pflege an.
B2 adjective /ˌɪntərˈmiːdiət/

intermediate

mittelstufig
Meaning
Coming between two things in time, place, or order; in the middle level or stage.
Example
She is taking an intermediate-level French course.
Sie nimmt einen Französischkurs auf mittlerem Niveau.
C2 verb /aɪˈdɒləˌtraɪz/

idolatrize

verehren
Meaning
To worship idols; to regard with excessive devotion or admiration.
Example
They began to idolatrize the statue as a deity.
Sie begannen, die Statue wie eine Gottheit zu verehren.
C2 adjective /ɪnˈsɪpiənt/

incipient

incipient
Meaning
in an initial stage; beginning to develop
Example
The incipient storm made the sky turn dark and heavy.
Der incipiente Sturm ließ den Himmel dunkel und schwer werden.
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.
C1 adjective /ɪmˈprɒmp.tjuː/

impromptu

spontan
Meaning
Done without being planned, organized, or rehearsed; spontaneous.
Example
He gave an impromptu speech at the event.
Er hielt eine spontane Rede bei der Veranstaltung.
C2 noun /ˈɪndɪkənt/

indicant

anzeiger
Meaning
Something that indicates or points to a fact or condition.
Example
High fever is often an indicant of infection.
Hoher Fieber ist oft ein Anzeiger für eine Infektion.
C2 adjective /ɪˈrɛfrəɡəbəl/

irrefragable

unwiderlegbar
Meaning
Impossible to refute, deny, or break
Example
The lawyer presented irrefragable evidence that proved his client’s innocence.
Der Anwalt präsentierte unwiderlegbare Beweise, die die Unschuld seines Mandanten belegten.
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.
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 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.
C2 adjective /ˌɪɡ.nəˈmɪn.i.əs/

ignominious

ignominös
Meaning
Marked by shame, disgrace, or humiliation.
Example
The team suffered an ignominious defeat in the finals.
Das Team erlitt eine ignominöse Niederlage im Finale.
C2 verb /ˌɪnkəˈpæsɪteɪt/

incapacitate

unfähig machen
Meaning
to deprive someone or something of the ability or strength to function
Example
The severe injury incapacitated the player for the rest of the season.
Die schwere Verletzung hat den Spieler für den Rest der Saison außer Gefecht gesetzt.
C1 adjective /ˌɪndɪˈstrʌktəbl/

indestructible

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

immortalize

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

insubordinate

aufsässig
Meaning
Defiant of authority; disobedient to orders.
Example
The insubordinate employee refused to follow the manager's instructions.
Der aufsässige Mitarbeiter weigerte sich, den Anweisungen des Managers zu folgen.
C1 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 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.
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.
C2 adjective /ˌɪndɪˈvɜːrtɪbəl/

indivertible

unablenkbar
Meaning
Not able to be turned aside or diverted.
Example
The judge's indivertible attention was on the case.
Die unablenkbare Aufmerksamkeit des Richters war auf den Fall gerichtet.
B2 noun /ˌaɪ.səˈleɪ.ʃən/

Isolation

Isolation
Meaning
the process or fact of isolating or being isolated; separation from other people or things
Example
The patient was kept in isolation to prevent the spread of the infectious disease.
Der Patient wurde in Isolation gehalten, um die Ausbreitung der ansteckenden Krankheit zu verhindern.
B1 adjective /ɪnˈvɑːlvd/

involved

beteiligt
Meaning
complicated or engaged in something
Example
She was deeply involved in community service.
Sie war tief in den Gemeinschaftsdiensten beteiligt.
C1 adjective /ˌɪndɪˈskriːt/

indiscreet

unbedacht
Meaning
Not careful in what one says or does, likely to reveal secrets or offend.
Example
It was indiscreet of him to mention the plan in public.
Es war unbedacht von ihm, den Plan in der Öffentlichkeit zu erwähnen.
C1 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?
B1 verb /ɪmˈprɛs/

impress

beeindrucken
Meaning
to cause someone to feel admiration or respect
Example
Her speech managed to impress the audience.
Ihre Rede hat das Publikum beeindruckt.
C1 adjective /ɪmˈpɜːrtɪnənt/

impertinent

unverschämt
Meaning
rude and showing a lack of respect
Example
It was impertinent of him to question the manager's decision.
Es war unverschämt von ihm, die Entscheidung des Managers zu hinterfragen.
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.
C2 noun /ˌɪmprɪˈkeɪʃən/

imprecation

Fluch
Meaning
A spoken curse or expression of strong condemnation.
Example
The angry crowd hurled imprecations at the corrupt official.
Die wütende Menge schleuderte Flüche auf den korrupten Beamten.
B2 adjective /ˈɪɡ.nər.ənt/

Ignorant

ignorant
Meaning
lacking knowledge or awareness; uninformed
Example
She was ignorant about the new technology trends.
Sie war ignorant gegenüber den neuen Technologietrends.
C1 noun /ˌɪntɪˈmeɪʃən/

intimation

Andeutung
Meaning
A subtle or indirect hint or suggestion.
Example
She gave no intimation of her plans.
Sie gab keinen Hinweis auf ihre Pläne.
A1 pronoun /ɪts/

its

sein
Meaning
Belonging to or associated with a thing previously mentioned.
Example
The company changed its logo last year.
Das Unternehmen hat letztes Jahr sein Logo geändert.
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.
A1 adjective /ˈɪntrəstɪŋ/ or /ˈɪntəˌrɛstɪŋ/

interesting

interessant
Meaning
Arousing curiosity or attention; holding one’s interest.
Example
The documentary about space was very interesting.
Die Dokumentation über den Weltraum war sehr interessant.
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.
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.
C2 adverb /ˈɪntʃmiːl/

inchmeal

stückchenweise
Meaning
Gradually, little by little.
Example
The old castle fell inchmeal into ruin.
Das alte Schloss fiel stückchenweise in Ruinen.
C2 adjective /ɪˈræsɪbl/

irascible

reizbar
Meaning
Easily angered; quick-tempered.
Example
His irascible nature often got him into trouble.
Sein reizbares Wesen brachte ihn oft in Schwierigkeiten.
C2 verb /ɪmˈbruː/

imbrue

beflecken
Meaning
To stain, especially with blood.
Example
His hands were imbrued with blood after the battle.
Seine Hände waren nach der Schlacht mit Blut befleckt.
A1 conjunction /ɪf/

if

wenn
Meaning
used to introduce a condition or supposition
Example
If it rains tomorrow, we will stay home.
Wenn es morgen regnet, bleiben wir zu Hause.
C1 adjective /ɪˈrɛpərəbəl/

Irreparable

irreparabel
Meaning
impossible to repair or fix; permanent damage that cannot be undone
Example
The accident caused irreparable damage to his spine.
Der Unfall verursachte irreparable Schäden an seiner Wirbelsäule.
B2 noun /ɪˈluː.ʒən/

Illusion

Illusion
Meaning
a thing that is or is likely to be wrongly perceived or interpreted; a false idea or belief
Example
The magician created a spectacular illusion that made the elephant appear to vanish.
Der Magier erschuf eine spektakuläre Illusion, die den Elefanten verschwinden ließ.
C1 noun /ˌɪnkɑːrˈneɪʃən/

incarnation

Inkarnation
Meaning
the embodiment of a deity, spirit, or quality in a physical form
Example
The monk was considered the incarnation of compassion.
Der Mönch wurde als die Inkarnation des Mitgefühls betrachtet.
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.
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.
B2 verb /ɪmˈprɪzən/

imprison

einsperren
Meaning
to put someone in prison; to confine or restrict someone's freedom
Example
The judge imprisoned the criminal for five years.
Der Richter hat den Verbrecher für fünf Jahre eingesperrt.
C1 noun /ɪnˌtɪmɪˈdeɪʃən/

intimidation

Einschüchterung
Meaning
The action of frightening or threatening someone to make them do something.
Example
The workers reported cases of intimidation by the management.
Die Arbeiter berichteten über Fälle von Einschüchterung durch das Management.
B2 adjective /ɪˈlɪt.ər.ət/

Illiterate

analphabet; ungebildet; unwissend
Meaning
unable to read or write; lacking education
Example
The program aims to help illiterate adults learn to read and write.
Das Programm zielt darauf ab, analphabetische Erwachsene beim Lernen von Lesen und Schreiben zu unterstützen.
C1 adjective /ɪnˈsʌf.ər.ə.bəl/

insufferable

unerträglich
Meaning
Too extreme to bear; intolerable.
Example
The heat during the summer was insufferable.
Die Hitze im Sommer war unerträglich.
C1 noun /ˌɪnɪkˈspɪəriəns/

inexperience

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

inequity

Ungerechtigkeit
Meaning
Lack of fairness or justice; unequal distribution or treatment.
Example
Social inequity continues to be a global issue.
Soziale Ungerechtigkeit bleibt ein globales Problem.
B2 noun /ˈɪn.vɔɪs/

Invoice

Rechnung
Meaning
a list of goods sent or services provided, with a statement of the sum due for these
Example
The company sent an invoice for the office supplies delivered last week.
Das Unternehmen schickte eine Rechnung für die letzte Woche gelieferten Bürobedarf.
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 /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 /ɪnˈflɛksəbl/

inflexible

unflexibel
Meaning
Not able to bend or change; unwilling to change ideas or behavior.
Example
His inflexible attitude made negotiations difficult.
Seine unflexible Haltung erschwerte die Verhandlungen.
C1 verb /ˈɪnsjuleɪt/

insulate

isolieren
Meaning
To protect something by covering it, especially to prevent heat, sound, or electricity from escaping or entering.
Example
The house was insulated to reduce heating costs.
Das Haus wurde isoliert, um die Heizkosten zu senken.
C2 noun /ˌaɪ.diˈeɪ.ʃən/

ideation

Der Prozess der Bildung und Entwicklung neuer Ideen oder Konzepte durch kreatives Denken und Brainstorming.
Meaning
The process of forming and developing new ideas or concepts through creative thinking and brainstorming.
Example
The team engaged in ideation sessions to generate new product ideas.
Das Team nahm an Ideations-Sitzungen teil, um neue Produktideen zu entwickeln.
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.
C1 adjective /ɪnˈsɒlvənt/

insolvent

zahlungsunfähig
Meaning
unable to pay debts owed
Example
The insolvent firm could not meet its financial obligations.
Das zahlungsunfähige Unternehmen konnte seinen finanziellen Verpflichtungen nicht nachkommen.
C1 noun /ˈɪn.trə.vɜːrt/

introvert

introvertiert
Meaning
A person who tends to be shy and prefers spending time alone rather than in groups.
Example
As an introvert, he preferred reading over attending parties.
Als Introvertierter bevorzugte er es, zu lesen, anstatt zu Partys zu gehen.
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 /ɪmˈpɑːrʃəl/

Impartial

unparteiisch; neutral
Meaning
treating all sides fairly; unbiased; neutral
Example
A good judge must remain impartial throughout the trial.
Ein guter Richter muss während des gesamten Prozesses unparteiisch bleiben.
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.
B1 verb /aɪˈdentɪfaɪ/

identify

identifizieren
Meaning
to recognize; to establish who someone is
Example
Can you identify the suspect?
Können Sie den Verdächtigen identifizieren?
C2 verb /aɪˈtɪnəˌreɪt/

itinerate

reisen
Meaning
To travel from place to place, usually for the purpose of work or preaching.
Example
The missionary itinerated throughout the region to spread the message.
Der Missionar reiste durch die Region, um die Botschaft zu verbreiten.
A2 adjective /ˈɪn.dɔːr/

indoor

innen
Meaning
situated, occurring, or used inside a building
Example
Indoor plants can improve air quality at home.
Zimmerpflanzen können die Luftqualität zu Hause verbessern.
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 /ˌɪnkənˈsɪstənsi/

inconsistency

Inkonsistenz
Meaning
The quality of being contradictory, irregular, or not staying the same.
Example
There is an inconsistency between his words and actions.
Es gibt eine Inkonsistenz zwischen seinen Worten und Taten.
C1 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.
B2 noun, verb /ˌɪnkənˈviːniəns/

inconvenience

Unannehmlichkeit
Meaning
trouble or difficulty caused to someone; to cause trouble or difficulty to someone
Example
We apologize for any inconvenience caused by the delay.
Wir entschuldigen uns für jede durch die Verzögerung verursachte Unannehmlichkeit.
C1 noun ˌɪn.ɪˈfɪʃ.ən.si

inefficiency

Ineffizienz
Meaning
The state or quality of not achieving maximum productivity; failure to make the best use of time or resources.
Example
Government inefficiency leads to slow project completion.
Regierungsineffizienz führt zu langsamer Projektfertigstellung.
C2 noun /ɪˈnɪkwɪti/

iniquity

Ungerechtigkeit
Meaning
Immoral or grossly unfair behavior.
Example
The dictator's regime was marked by corruption and iniquity.
Das Regime des Diktators war von Korruption und Ungerechtigkeit geprägt.
B2 verb /ˈɪntɪɡreɪt/

integrate

integrieren
Meaning
To combine or bring together into a unified whole.
Example
The new system integrates data from multiple sources.
Das neue System integriert Daten aus mehreren Quellen.
B1 noun /ˈɪn.flu.əns/

Influence

Einfluss; Macht
Meaning
the capacity to have an effect on the character, development, or behavior of someone or something
Example
The teacher's positive influence helped the student overcome his learning difficulties.
Der positive Einfluss des Lehrers half dem Schüler, seine Lernschwierigkeiten zu überwinden.
C2 noun /ˈɪd.i.ə.si/

Idiocy

Idiotie
Meaning
extremely stupid behavior or actions; foolishness
Example
The decision to ignore safety protocols was pure idiocy that endangered everyone.
Die Entscheidung, die Sicherheitsprotokolle zu ignorieren, war pure Idiotie, die alle in Gefahr brachte.
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.
C2 adjective /ˌɪrɪˈlɪdʒəs/

irreligious

gotteslästerlich
Meaning
Indifferent or hostile to religion
Example
Some people in the community consider him irreligious because he never attends religious services.
Einige Menschen in der Gemeinschaft betrachten ihn als gottlos, weil er nie religiösen Gottesdiensten beiwohnt.
B2 adjective /ˌɪn.trəˈdʌk.tər.i/

introductory

einführend
Meaning
Serving as an introduction; preliminary or preparatory.
Example
The professor gave an introductory lecture on economics.
Der Professor hielt einen einführenden Vortrag über Wirtschaft.
B1 adjective /ɪˈnɪʃəl/

initial

anfänglich
Meaning
Existing or occurring at the beginning.
Example
Her initial reaction was one of surprise.
Ihre anfängliche Reaktion war eine Überraschung.
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.
B2 adjective /ˌɪnsəˈfɪʃənt/

insufficient

unzureichend
Meaning
Not enough; inadequate.
Example
His explanation was insufficient to clear the confusion.
Seine Erklärung war unzureichend, um die Verwirrung zu klären.
B2 noun /ˌɪmɪˈɡreɪʃən/

immigration

Einwanderung
Meaning
the action of coming to live permanently in a foreign country
Example
Immigration policies vary from country to country.
Die Immigrationspolitik variiert von Land zu Land.
C2 adjective /ɪnˈkɒrɪdʒəbəl/

incorrigible

unverbesserlich
Meaning
incapable of being corrected, improved, or reformed
Example
He is an incorrigible optimist who never loses hope.
Er ist ein unverbesserlicher Optimist, der niemals die Hoffnung verliert.
C2 adjective /ɪnˈæpt/

Inapt

ungeeignet; unpassend
Meaning
not suitable; inappropriate; unfit
Example
His comment was inapt for the formal meeting.
Sein Kommentar war für das formelle Meeting unpassend.
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 verb /ɪnˈdʌkt/

induct

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

impermanence

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

inebriated

betrunken
Meaning
under the influence of alcohol; drunk
Example
He stumbled into the room completely inebriated.
Er stolperte betrunken ins Zimmer.
B2 noun ˈɪnəveɪtɪv tuːlz

innovative tools

innovative Werkzeuge
Meaning
Creative devices or advanced technologies that introduce new methods or approaches to accomplish tasks.
Example
Teachers use innovative tools to enhance classroom learning.
Lehrer verwenden innovative Werkzeuge, um das Lernen im Klassenzimmer zu verbessern.
C2 verb /ˌɪmpɔːrˈtuːnd/

importuned

aufdringlich bitten
Meaning
asked someone persistently and pressingly for something
Example
She importuned her boss for a raise until he finally gave in.
Sie bat aufdringlich um eine Gehaltserhöhung bei ihrem Chef, bis er schließlich nachgab.
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.
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.
B2 verb /ˈɪr.ɪ.teɪt/

irritate

ärgern
Meaning
To make someone annoyed or angry; to cause discomfort or inflammation.
Example
Rubbing your eyes can irritate them.
Wenn du deine Augen reibst, kann es sie reizen.
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 /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 /ˌɪnkəmˈpliːtnəs/

incompleteness

Unvollständigkeit
Meaning
the state of not being complete or whole; lack of necessary parts or fullness
Example
The incompleteness of the report caused delays in the project.
Die Unvollständigkeit des Berichts verursachte Verzögerungen im Projekt.
C2 adjective /ɪmˈperɪʃəbəl/

Imperishable

unvergänglich; ewig; unsterblich
Meaning
not subject to decay; lasting forever; eternal
Example
The imperishable beauty of classical art continues to inspire generations.
Die unvergängliche Schönheit der klassischen Kunst inspiriert weiterhin Generationen.
B2 noun ɪnˈtɛɡrɪti

integrity

integrität
Meaning
The quality of being honest and having strong moral principles; moral uprightness.
Example
Teachers' integrity fosters a positive learning environment.
Die Integrität der Lehrer fördert ein positives Lernumfeld.
B2 adjective /ɪˈrɪˌspɑn.sə.bəl/

Irresponsible

verantwortungslos
Meaning
lacking a sense of responsibility; careless
Example
It was irresponsible of him to leave without telling anyone.
Es war verantwortungslos von ihm, ohne jemandem Bescheid zu sagen zu gehen.
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.
B1 adverb /ˈɪnstəntli/

instantly

sofort
Meaning
immediately, without any delay
Example
He replied instantly to the message.
Er antwortete sofort auf die Nachricht.
C1 verb /ɪnˈfjuːz/

infuse

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

indefinitely

unbestimmt
Meaning
for an unlimited or unspecified period of time
Example
The project has been postponed indefinitely.
Das Projekt wurde unbestimmt verschoben.
C1 adjective /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.
B2 adjective /ɪˈreɡjələr/

irregular

unregelmäßig
Meaning
not even or consistent in shape, pattern, time, or behavior; not following normal rules
Example
His attendance at work has been irregular this month.
Seine Anwesenheit bei der Arbeit war diesen Monat unregelmäßig.
C2 noun /ˌɪdiəˈsɪŋkrəsi/

idiosyncrasy

Idiosynkrasie
Meaning
A distinctive or peculiar characteristic, habit, or mannerism unique to an individual.
Example
One of her idiosyncrasies was humming while working.
Eine ihrer Idiosynkrasien war es, beim Arbeiten zu summen.
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 adjective /ɪmˈplɪsɪt/

implicit

implizit
Meaning
Suggested or understood without being directly stated.
Example
Her trust in him was implicit.
Ihr Vertrauen in ihn war implizit.
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 adjective /ɪˈmɒdərət/

immoderate

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