irreligious
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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.
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 /ˈɜːrksəm/

irksome

ärgerlich
Meaning
annoying or irritating
Example
Waiting in a long line is one of the most irksome tasks.
In einer langen Schlange zu warten ist eine der ärgerlichsten Aufgaben.
B2 verb /ɪnˈfɜːr/

infer

schließen
Meaning
to conclude or deduce something from evidence and reasoning rather than from explicit statements
Example
From his silence, I inferred that he was not happy with the decision.
Aus seiner Stille schloss ich, dass er mit der Entscheidung nicht zufrieden war.
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.
B2 verb /ɪnˈtɛnsɪfaɪ/

intensify

intensivieren
Meaning
To make something stronger, more extreme, or more forceful.
Example
The storm is expected to intensify overnight.
Der Sturm wird voraussichtlich über Nacht intensiver werden.
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.
C2 noun /ɪmˈpʌlʃən/

impulsion

Impuls
Meaning
a strong urge or drive to act; the act of impelling
Example
His impulsion to travel made him leave his job suddenly.
Sein Impuls, zu reisen, veranlasste ihn dazu, seinen Job plötzlich zu kündigen.
B2 adverb /ɪmˈpɔːtəntli/

importantly

wichtigerweise
Meaning
in a way that is of great significance or value
Example
Importantly, the report highlights the need for immediate action.
Wichtigerweise hebt der Bericht die Notwendigkeit sofortiger Maßnahmen hervor.
C2 noun /ˌɪkθiˈɒlədʒɪst/

ichthyologist

Ichthyologe
Meaning
A scientist who studies fish.
Example
The ichthyologist discovered a new species of fish in the river.
Der Ichthyologe entdeckte eine neue Fischart im Fluss.
B2 noun /ˈɪnfənt/

infant

Säugling
Meaning
A very young child or baby.
Example
The infant was sleeping peacefully in the cradle.
Der Säugling schlief friedlich im Kinderbett.
B1 verb ɪnˈspaɪər

inspire

inspirieren
Meaning
To fill someone with the urge or ability to do or feel something, especially creative or noble.
Example
Artemis seeks to inspire future generations.
Artemis strebt danach, zukünftige Generationen zu inspirieren.
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.
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 /ˌɪnkɒmprɪˈhɛnsəbl/

incomprehensible

unverständlich
Meaning
Impossible or very difficult to understand.
Example
The professor’s lecture was so fast it became incomprehensible.
Die Vorlesung des Professors war so schnell, dass sie unverständlich wurde.
B2 adjective /ˌɪnsɪˈkjʊə/

insecure

unsicher
Meaning
not confident or assured; uncertain and anxious
Example
She felt insecure about her performance in the exam.
Sie fühlte sich unsicher über ihre Leistung in der Prüfung.
C1 noun /ɪnˈdem.nə.ti/

Indemnity

Entschädigung
Meaning
security or protection against a loss or other financial burden; compensation for damage or loss
Example
The insurance company provided full indemnity for the damages caused by the flood.
Die Versicherungsgesellschaft stellte vollständige Entschädigung für die durch die Flut verursachten Schäden bereit.
C1 verb /ɪmˈpɛər/

impair

beeinträchtigen
Meaning
to weaken or damage something, especially a function or ability
Example
Smoking can impair your lung capacity.
Rauchen kann deine Lungenkapazität beeinträchtigen.
B2 noun /ɪnˈspekʃən/

inspection

Inspektion
Meaning
a careful examination of something, especially to check that it is correct or safe
Example
The building passed the safety inspection last week.
Das Gebäude hat die Sicherheitsinspektion letzte Woche bestanden.
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 verb /ɪnˈflɪkt/

inflict

zufügen
Meaning
to cause something unpleasant or painful to be suffered by someone or something
Example
The storm inflicted considerable damage to the city.
Der Sturm fügte der Stadt erheblichen Schaden zu.
A2 adverb /ˌɪnˈdɔːrz/

indoors

drinnen
Meaning
inside a building; within an enclosed space
Example
Because of the rain, everyone stayed indoors.
Wegen des Regens blieben alle drinnen.
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.
C2 noun /ˌɪnkrʌˈsteɪʃən/

incrustation

Kruste
Meaning
a crust or hard coating formed on the surface of something
Example
The old pipes were blocked due to heavy incrustation of minerals.
Die alten Rohre waren aufgrund einer starken Verkrustung von Mineralien blockiert.
B2 adjective /ˈaɪ.dəl/

Idle

faul; inaktiv; nicht arbeitend
Meaning
lazy; inactive; not working or being used
Example
The factory workers were idle during the strike.
Die Fabrikarbeiter waren während des Streiks inaktiv.
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 /ɪmˈpruː.dəns/

Imprudence

Unvernunft; Nachlässigkeit; Leichtsinn
Meaning
the quality of being imprudent; lack of care for consequences; recklessness
Example
His financial imprudence led to bankruptcy within just two years.
Seine finanzielle Unvernunft führte in nur zwei Jahren zur Insolvenz.
B2 adjective, noun /ˌɪn.təlˈɛk.tʃu.əl/

intellectual

intellektuell
Meaning
Relating to the intellect; a person who engages in critical thinking and study.
Example
She enjoys intellectual discussions about philosophy.
Sie genießt intellektuelle Diskussionen über Philosophie.
C1 adjective /ɪmˈpjʊər/

Impure

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

impertinence

Unverschämtheit
Meaning
lack of respect; rudeness
Example
The teacher was shocked by the student's impertinence.
Der Lehrer war schockiert über die Unverschämtheit des Schülers.
C2 verb /ɪnˈsteɪt/

instate

einsetzen
Meaning
To set up in position, office, or authority.
Example
The board decided to instate her as the new director.
Der Vorstand entschied, sie als neue Direktorin zu installieren.
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.
B1 noun /ˈɪnpʊt/

input

Eingabe, bereitgestellte Informationen
Meaning
information, advice, or data that is put into a system, device, or process
Example
The manager asked for everyone's input on the new project.
Der Manager bat um die Meinung aller zum neuen Projekt.
C1 noun /ˌɪn.dɪˈsɪʒ.ən/

Indecision

Unentschlossenheit; Zweifel; Zögern
Meaning
the inability to make decisions quickly; uncertainty about what to do
Example
Her indecision about which job offer to accept caused her to miss both opportunities.
Ihre Unentschlossenheit, welches Jobangebot sie annehmen sollte, führte dazu, dass sie beide Gelegenheiten verpasste.
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.
C2 noun /ɪmˌprɒb.əˈbɪl.ə.ti/

Improbability

Unwahrscheinlichkeit
Meaning
the quality or state of being improbable; unlikely to be true or to happen
Example
The improbability of winning the lottery twice didn't stop her from buying tickets.
Die Unwahrscheinlichkeit, zweimal die Lotterie zu gewinnen, hielt sie nicht davon ab, Tickets zu kaufen.
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.
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.
C2 verb /ɪnˈdɛmnɪfaɪ/

indemnify

entschädigen
Meaning
to compensate someone for harm or loss; to secure against future damage or cost
Example
The insurance company agreed to indemnify the client for the damages.
Die Versicherungsgesellschaft stimmte zu, den Kunden für die Schäden zu entschädigen.
B2 adjective /ɪˈmens/

Immense

immens; riesig; gewaltig
Meaning
extremely large or great; huge
Example
The immense mountain range stretched across the horizon.
Das immense Gebirgsmassiv erstreckte sich über den Horizont.
C2 verb /ɪˈniː.bri.eɪt/

inebriate

betrinken
Meaning
to intoxicate; to make someone drunk
Example
The strong wine was enough to inebriate even the most experienced drinker.
Der starke Wein war genug, um sogar den erfahrensten Trinker zu betrunken.
B2 adverb /ˌɪndəˈrɛktli/

indirectly

indirekt
Meaning
in a way that is not direct; through an intermediate means or influence
Example
The policy affected small businesses indirectly.
Die Politik beeinflusste kleine Unternehmen indirekt.
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.
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.
A2 adverb /ɪnˈstɛd/

instead

anstatt
Meaning
As an alternative or substitute.
Example
She didn’t buy the dress; instead, she chose a pair of shoes.
Sie hat das Kleid nicht gekauft; stattdessen hat sie ein Paar Schuhe gewählt.
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.
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.
B2 noun /ˈaɪkɒn/

icon

Ikone, Symbol
Meaning
A person or thing regarded as a symbol of something, or a graphic symbol on a screen.
Example
The singer became a cultural icon.
Der Sänger wurde zu einer kulturellen Ikone.
C1 verb /ɪˈluːmɪneɪt/

illuminate

beleuchten
Meaning
To light up or make something clearer.
Example
Streetlights illuminate the road at night.
Straßenlaternen beleuchten die Straße in der Nacht.
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.
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.
C2 adjective /ˌɪntərˈniːsaɪn/

internecine

innerer Konflikt
Meaning
Relating to conflict within a group, often causing mutual destruction.
Example
The internecine conflict weakened the organization from within.
Der interne Konflikt schwächte die Organisation von innen
C1 noun ɪnˈdʌldʒəns

indulgence

Genuss
Meaning
The practice of allowing oneself to enjoy the pleasure of something.
Example
His indulgence in junk food affected his health.
Sein Genuss von Junk-Food beeinträchtigte seine Gesundheit.
B2 noun /ɪnˈtɪəriər/

interior

Innenraum
Meaning
the inside part of something; inner area of a place or object
Example
The interior of the hotel was beautifully decorated.
Der Innenraum des Hotels war wunderschön dekoriert.
C1 adjective /aɪˈdɪlɪk/

idyllic

idyllisch und schön
Meaning
Like an idyll; extremely happy, peaceful, or picturesque.
Example
They enjoyed an idyllic vacation by the sea.
Sie genossen einen idyllischen Urlaub am Meer.
C1 adjective /ɪnˈses.ənt/

incessant

unaufhörlich
Meaning
Continuing without pause or interruption; constant.
Example
The incessant noise from the construction site made it hard to concentrate.
Der unaufhörliche Lärm von der Baustelle erschwerte es, sich zu konzentrieren.
C2 adjective /ɪmˈpɛn.ɪ.tənt/

impenitent

unbußfertig
Meaning
Not feeling regret or shame about one's actions.
Example
The criminal remained impenitent after the trial.
Der Kriminelle blieb unbußfertig nach dem Prozess.
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.
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 /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.
B2 noun /ˈɪmɪɡrənt/

immigrant

Einwanderer
Meaning
a person who comes to live permanently in a foreign country
Example
The city has welcomed many new immigrants this year.
Die Stadt hat in diesem Jahr viele neue Einwanderer willkommen geheißen.
B2 verb /ɪnˈdjuːs/

induce

induzieren
Meaning
to cause or persuade someone to do something; to bring about a result
Example
The doctor induced sleep with a mild sedative.
Der Arzt induzierte den Schlaf mit einem leichten Beruhigungsmittel.
C2 noun /ɪnˈkɒnstənsi/

inconstancy

Inkonstanz
Meaning
The quality of changing frequently or being unreliable.
Example
The inconstancy of the weather makes planning difficult.
Die Inkonstanz des Wetters erschwert die Planung.
C2 adjective /ɪnˈvɛtərət/

inveterate

eingefleischt
Meaning
having a long-established habit, activity, or interest that is unlikely to change
Example
He is an inveterate reader who spends hours in the library every day.
Er ist ein eingefleischter Leser, der jeden Tag Stunden in der Bibliothek verbringt.
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.
C1 noun /ɪˈreləvəns/

irrelevance

Irrelevanz
Meaning
the quality of not being connected to or important for a particular matter; lack of significance
Example
His long explanation only highlighted the irrelevance of the details to the main issue.
Seine lange Erklärung zeigte nur die Irrelevanz der Details für das Hauptthema.
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.
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 noun /ˌɪntərˈrɛɡnəm/

interregnum

Interregnum
Meaning
A period between rulers or governments when normal leadership is suspended.
Example
The country faced instability during the interregnum after the king’s death.
Das Land erlebte Instabilität während des Interregnums nach dem Tod des Königs.
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.
C2 adjective ɪnˈfiː.zə.bəl

infeasible

unpraktikabel
Meaning
Not possible to do easily or conveniently; impracticable.
Example
Restoring the forest may become infeasible if destruction continues.
Die Wiederherstellung des Waldes kann unpraktikabel werden, wenn die Zerstörung fortsetzt.
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 noun /ˈɪnsɪdəns/

incidence

inzidenz
Meaning
the occurrence, rate, or frequency of something
Example
The incidence of road accidents has decreased this year.
Die Inzidenz von Straßenunfällen ist in diesem Jahr gesenkt worden.
A2 adjective /ɪl/

Ill

krank; unwohl; in schlechter Gesundheit
Meaning
sick; unwell; in poor health
Example
He felt ill and decided to stay home from work.
Er fühlte sich krank und entschied sich, von der Arbeit zu Hause zu bleiben.
C2 noun /ˌɪnˌkeɪpəˈbɪləti/

incapability

Unfähigkeit
Meaning
lack of ability or power to do something; inability or incompetence
Example
His incapability to manage the team led to serious problems.
Seine Unfähigkeit, das Team zu leiten, führte zu ernsthaften Problemen.
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.
B1 adverb /ɪˈnɪʃəli/

initially

zunächst
Meaning
At the beginning; at first.
Example
Initially, he refused the offer but later accepted it.
Zu Beginn lehnte er das Angebot ab, nahm es später jedoch an.
B2 noun ˌɪnɪˈkwɒlɪti

inequality

Ungleichheit
Meaning
Difference in size, degree, circumstances, etc.; lack of equality.
Example
The theme of inequality is prominent throughout the story.
Das Thema der Ungleichheit ist throughout in der Geschichte wichtig.
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 adjective /ɪˈrædɪkəbəl/

irradicable

irradikabel
Meaning
not able to be eradicated; impossible to destroy or remove completely
Example
The love of a mother for her child is irradicable.
Die Liebe einer Mutter zu ihrem Kind ist irradikabel.
B2 verb /ɪnˈveɪd/

invade

invasieren
Meaning
to enter a place or country forcefully, especially as an enemy
Example
The army invaded the neighboring country.
Die Armee hat das benachbarte Land invadierte.
B2 adjective /ɪnˈsɛnsətɪv/

insensitive

gefühllos
Meaning
Showing or feeling no concern for others' feelings.
Example
His insensitive comment hurt her deeply.
Sein gefühlloser Kommentar hat sie tief verletzt.
C2 noun /ˌɪmprəˈsɑːrioʊ/

impresario

Impresario
Meaning
A person who organizes or finances concerts, plays, or operas.
Example
The impresario arranged a series of concerts for the rising star.
Der Impresario organisierte eine Reihe von Konzerten für den aufstrebenden Star.
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.
B2 noun /ˌɪnsɪˈkjʊərɪti/

insecurity

Unsicherheit
Meaning
lack of confidence or assurance; a state of uncertainty or vulnerability
Example
Her insecurity made her doubt her abilities despite her experience.
Ihre Unsicherheit ließ sie an ihren Fähigkeiten zweifeln.
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 /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 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.
A1 noun /aɪˈdiː.ə/

Idea

Idee; Konzept; Vorschlag
Meaning
a thought or suggestion as to a possible course of action; a concept or mental impression
Example
She had a brilliant idea for solving the company's efficiency problem.
Sie hatte eine brillante Idee zur Lösung des Effizienzproblems des Unternehmens.
C1 adjective /ˌɪndɪˈspjuːtəbəl/

Indisputable

unbestreitbar; unbestreitbar; sicher
Meaning
impossible to deny or argue against; undeniable; certain
Example
The evidence against him was indisputable.
Die Beweise gegen ihn waren unbestreitbar.
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 /ɪnˈkɒmp(ə)rəbl/

incomparable

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

improbable

unwahrscheinlich
Meaning
Not likely to be true or to happen.
Example
It seems improbable that he will arrive on time.
Es scheint unwahrscheinlich, dass er pünktlich ankommt.
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.
B1 noun /ɪnˌvɛs.tɪˈɡeɪ.ʃən/

investigation

untersuchung
Meaning
the process of inquiring into or examining something carefully to find the truth
Example
The investigation revealed new evidence about the fraud.
Die Untersuchung enthüllte neue Beweise für den Betrug.
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 ɪˈnɪʃətɪvz

initiatives

Initiativen
Meaning
Actions or strategies designed to resolve a difficulty or improve a situation; programs or projects.
Example
Community initiatives benefit underprivileged groups.
Gemeinschaftsinitiativen kommen benachteiligten Gruppen zugute.
A1 preposition /ɪn/

in

in
Meaning
expressing the situation of being enclosed or surrounded by something
Example
She is in the kitchen preparing dinner.
Sie ist in der Küche und bereitet das Abendessen vor.
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.
C2 noun /ˈɪmɪˌteɪtər/

imitator

Nachahmer
Meaning
a person who copies the behavior, style, or actions of others
Example
He became famous as an imitator of popular singers.
Er wurde als Nachahmer beliebter Sänger berühmt.
C2 adjective /ɪˈmɒdɪst/

immodest

überheblich / unanständig
Meaning
lacking humility or decency; excessively proud or improper
Example
His immodest remarks offended the audience.
Seine überheblichen Bemerkungen beleidigten das Publikum.
C1 adjective ˌɪn.təˈstel.ər

interstellar

zwischen den Sternen, interstellar, kosmisch
Meaning
Occurring or situated between stars.
Example
Scientists study interstellar travel possibilities.
Wissenschaftler untersuchen die Möglichkeiten der interstellaren Reisen.
C1 adjective /ɪnˈseɪʃəbl̩/

insatiable

unersättlich
Meaning
impossible to satisfy; always wanting more
Example
Her insatiable curiosity drove her to read every book in the library.
Ihre unersättliche Neugier trieb sie dazu, jedes Buch in der Bibliothek zu lesen.
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.
A2 verb /ɪnˈkri:s/

increase

steigern
Meaning
to become or make something larger in amount, number, or degree
Example
The company plans to increase its production this year.
Das Unternehmen plant, seine Produktion in diesem Jahr zu steigern.
C2 adjective /ˈɪnˌbrɛd/

inbred

angeboren
Meaning
existing naturally in a person or animal; also related to reproduction within a limited community
Example
He has an inbred sense of loyalty.
Er hat ein angeborenes Gefühl der Loyalität.
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.
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 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.
B2 adjective ˌɪnɪˈfɛktɪv

ineffective

ineffektiv
Meaning
Not producing any significant or desired effect; not achieving the intended result.
Example
Rote learning often proves to be ineffective.
Auswendiglernen erweist sich oft als ineffektiv.
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.
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.
B2 adjective ɪnˈdɪdʒɪnəs

indigenous

einheimisch
Meaning
Originating or occurring naturally in a particular place; native.
Example
Indigenous plants are well adapted to the local environment.
Einheimische Pflanzen sind gut an die lokale Umgebung angepasst.
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.
B1 adjective /ˌɪmpəˈlaɪt/

impolite

unhöflich
Meaning
Not showing good manners; rude.
Example
It is impolite to interrupt someone while they are speaking.
Es ist unhöflich, jemanden zu unterbrechen, während er spricht.
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.
C2 noun /ˌɪn.ʌnˈdeɪ.ʃən/

inundation

Überschwemmung
Meaning
The act of flooding or overwhelming with water or things.
Example
The town suffered from a severe inundation after the heavy rains.
Die Stadt litt unter einer schweren Überschwemmung nach den starken Regenfällen.