invasion
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B2 noun /ɪnˈveɪʒən/

invasion

Invasion
Meaning
An instance of invading a country, region, or personal space with armed force or unwelcome presence.
Example
The army prepared for the possibility of an invasion.
Die Armee bereitete sich auf die Möglichkeit einer Invasion vor.
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.
C1 verb /ɪmˈpɜːrsəneɪt/

impersonate

sich ausgeben als
Meaning
to pretend to be another person in order to entertain or deceive
Example
He was arrested for trying to impersonate a police officer.
Er wurde verhaftet, weil er versuchte, einen Polizisten zu impersonieren.
B1 adjective /ˌɪnɪkˈspɛnsɪv/

Inexpensive

günstig; preiswert; erschwinglich
Meaning
not costing a lot of money; affordable; budget-friendly
Example
This restaurant offers delicious and inexpensive meals for students.
Dieses Restaurant bietet köstliche und günstige Mahlzeiten für Studenten an.
C1 adjective ˌɪn.təˈmɪt.ənt

intermittent

intermittierend
Meaning
Happening irregularly, not continuously.
Example
The rain was intermittent throughout the day.
Der Regen war den ganzen Tag über intermittierend.
B2 noun /ˌɪntərˈfɪərəns/

interference

Störung
Meaning
the action of interfering with something
Example
The radio signal was disrupted due to interference from nearby electronics.
Das Radiosignal wurde durch Störungen von nahegelegenen Elektronikgeräten unterbrochen.
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.
C1 noun /ˌɪməˈrælɪti/

immorality

Unmoral
Meaning
the quality of being immoral; behavior that violates accepted moral standards
Example
The community condemned the immorality of the corrupt officials.
Die Gemeinschaft verurteilte die Unmoral der korrupten Beamten.
C2 adjective /ɪmˈpɪəriəs/

imperious

imperiös
Meaning
Arrogantly domineering or overbearing.
Example
Her imperious tone made it hard for others to argue.
Ihr imperiöser Ton machte es anderen schwer, zu argumentieren.
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.
C1 verb /ˈɪrɪˌɡeɪt/

irrigate

bewässern
Meaning
to supply water to land or crops; to wash out a wound with water
Example
Farmers irrigate their fields during dry seasons.
Bauern bewässern ihre Felder in der Trockenzeit.
C1 adjective /ɪˈrɛvəkəbl/

irrevocable

unwiderruflich
Meaning
Not able to be revoked, changed, or undone.
Example
She made an irrevocable decision to leave the company.
Sie traf eine unwiderrufliche Entscheidung, das Unternehmen zu verlassen.
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.
C2 noun /ˌɪnkrɪˈdjuːləti/

incredulity

Unglauben
Meaning
the state of being unwilling or unable to believe something
Example
She looked at him with incredulity after hearing the strange story.
Sie sah ihn mit Unglauben an, nachdem sie die seltsame Geschichte gehört hatte.
C1 noun /ɪnˈsɜːrdʒənt/

insurgent

Aufständischer
Meaning
A person who rises in revolt against authority or government.
Example
The army arrested several insurgents after the attack.
Die Armee verhaftete mehrere Aufständische nach dem Angriff.
C1 adjective /ˌɪnhɒˈspɪtəbl/

inhospitable

unwirtlich
Meaning
Harsh and difficult to live in; unfriendly or unwelcoming to guests.
Example
The desert is an inhospitable environment for most plants.
Die Wüste ist ein unwirtliches Umfeld für die meisten Pflanzen.
C1 noun ˌɪm.pʌlˈsɪv.ɪ.ti

impulsivity

Impulsivität
Meaning
The tendency to act quickly and without thought or care; lack of self-control.
Example
His impulsivity led him to make reckless choices.
Seine Impulsivität führte ihn dazu, unüberlegte Entscheidungen zu treffen.
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.
A2 verb /ɪmˈpruːv/

improve

verbessern
Meaning
to make or become better; to enhance quality or condition
Example
Practice helps improve your skills.
Übung hilft, Ihre Fähigkeiten zu verbessern.
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.
C1 noun /ˌɪmpɔːrˈteɪʃən/

importation

Import
Meaning
The act of bringing goods or services into a country from abroad
Example
The importation of luxury goods is strictly regulated.
Die Import von Luxusgütern ist streng reguliert.
C1 noun /ɪnˈdaɪtmənt/

indictment

Anklageschrift
Meaning
a formal charge or accusation of a serious crime
Example
The indictment accused the company of multiple violations.
Die Anklageschrift beschuldigte das Unternehmen mehrfacher Verstöße.
C2 noun /ɪnˈtɛɡ.jʊ.mənt/

integument

äußere Hülle
Meaning
A natural outer covering, such as skin, shell, or rind.
Example
The snake sheds its integument as it grows.
Die Schlange verliert ihre äußere Hülle, wenn sie wächst.
C1 noun /ˌɪmɔːrˈtæləti/

immortality

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

intolerance

intoleranz
Meaning
unwillingness to accept or endure beliefs, behaviors, or conditions different from one's own
Example
The leader was criticized for his intolerance toward other religions.
Der Führer wurde wegen seiner Intoleranz gegenüber anderen Religionen kritisiert.
C2 noun /ˈaɪ.ərn.wʊd/

Ironwood

eisenholz
Meaning
a hard, dense wood from various trees; also the tree itself that produces small flowers
Example
The ironwood tree blooms with tiny white flowers.
Der Eisenholzbaum blüht mit kleinen weißen Blumen.
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 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 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.
B2 noun ɪˈmjuː.nɪ.ti

immunity

immunität
Meaning
The ability of an organism to resist a particular infection or toxin by the action of specific antibodies.
Example
A strong immunity protects against infections.
Eine starke Immunität schützt vor Infektionen.
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.
C2 noun /ˌɪmpəˈtjuːəsəti/

impetuosity

Impulsivität
Meaning
The quality of being rash or impulsive.
Example
His impetuosity often got him into trouble.
Seine Impetuosität brachte ihn oft in Schwierigkeiten.
C1 adjective /ɪˈnɛpt/

inept

ungeschickt
Meaning
lacking skill or ability; clumsy or incompetent
Example
His inept handling of the situation made it worse.
Sein ungeschicktes Handling der Situation machte sie schlimmer.
B1 noun /ɪnˈʃʊərəns/

insurance

Versicherung
Meaning
An arrangement by which a company provides compensation for loss, damage, or illness in return for a premium.
Example
He bought health insurance to cover medical expenses.
Er hat eine Krankenversicherung abgeschlossen, um medizinische Kosten abzudecken.
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 /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 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.
C2 adjective /ɪnˈsɛnseɪt/

insensate

gefühllos
Meaning
lacking physical sensation or empathy; without feeling or sensitivity
Example
The dictator's insensate cruelty shocked the world.
Die gefühllose Grausamkeit des Diktators schockierte die Welt.
C1 adjective /ɪˈnɔːrdənət/

inordinate

übermäßig
Meaning
Excessive or unusually large in degree.
Example
She spent an inordinate amount of time on her phone.
Sie verbrachte eine übermäßige Zeit mit ihrem Telefon.
C1 adjective /ˌɪnkənˈkluːsɪv/

inconclusive

unentschieden
Meaning
Not leading to a definite result or decision.
Example
The investigation remained inconclusive due to a lack of evidence.
Die Untersuchung blieb unentschieden wegen eines Beweisfehlens.
B2 noun /ˌɪntəˈrʌpʃən/

interruption

Unterbrechung
Meaning
the act of stopping or breaking the continuity of something; a pause caused by an external action
Example
The meeting was delayed due to an unexpected interruption.
Das Treffen wurde wegen einer unerwarteten Unterbrechung verschoben.
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.
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.
C2 adjective /ˌɪn.trəˈsɛl.jʊ.lər/

intracellular

innerhalb der Zelle
Meaning
Located or occurring within a cell.
Example
The drug works by targeting intracellular bacteria.
Das Medikament wirkt, indem es intrazelluläre Bakterien anvisiert.
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.
C1 noun /ɪnˈdɪf.ər.əns/

Indifference

indifferenz; gleichgültigkeit; apathie
Meaning
lack of interest, concern, or sympathy; the state of not caring about something
Example
His indifference to his studies resulted in poor grades throughout the semester.
Seine Indifferenz gegenüber seinen Studien führte zu schlechten Noten im gesamten Semester.
C1 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.
C1 verb /ɪmˈpɪndʒ/

impinge

beeinflussen
Meaning
to have an effect or impact on something; to encroach or infringe
Example
The noise from the construction site impinges on our daily activities.
Der Lärm von der Baustelle beeinflusst unsere täglichen Aktivitäten.
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 /ɪˈmɒdəsti/

immodesty

Unbescheidenheit
Meaning
lack of modesty or decency; behavior or attitude that is overly bold or improper
Example
The article was criticized for its tone of immodesty.
Der Artikel wurde wegen seines Tons der Unbescheidenheit kritisiert.
C2 adjective /ˌɪnkəmˈbʌstəbl/

incombustible

nicht brennbar
Meaning
Not capable of catching fire or burning.
Example
This material is incombustible and safe for construction.
Dieses Material ist incombustibel und sicher für den Bau.
C1 noun /ɪmˈpɛdɪmənt/

impediments

Hindernisse
Meaning
A hindrance or obstruction in doing something; things that prevent progress or achievement.
Example
Economic impediments often hinder social development.
Wirtschaftliche Hindernisse behindern oft die soziale Entwicklung.
C1 noun /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 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.
C2 verb /ˌɪntərˈlɒk/

interlock

ineinandergreifen
Meaning
to fit or connect together securely so that two or more things are joined
Example
The gears interlock to ensure smooth movement of the machine.
Die Zahnräder greifen ineinander, um eine reibungslose Bewegung der Maschine zu gewährleisten.
C1 verb /ˈɪmprəvaɪz/

improvise

improvisieren
Meaning
To create or perform something spontaneously without preparation.
Example
The actor had to improvise his lines when he forgot the script.
Der Schauspieler musste seine Zeilen improvisieren, als er das Skript vergessen hatte.
C1 adjective /ˈɪntrɪkət/

intricate

komplex
Meaning
very detailed, complex, and difficult to understand
Example
The artist created an intricate pattern on the wall.
Der Künstler hat ein komplexes Muster an die Wand gemalt.
B1 noun ɪnˈvestmənt

investment

Investition
Meaning
The action or process of investing money for profit or material result.
Example
Investment in waste management infrastructure is essential.
Investitionen in Abfallmanagementinfrastruktur sind unerlässlich.
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 /ɪˌreɡjəˈlærɪti/

irregularity

Unregelmäßigkeit
Meaning
lack of regularity or consistency; a deviation from what is normal, expected, or orderly
Example
The audit revealed several financial irregularities in the company’s records.
Die Prüfung deckte mehrere finanzielle Unregelmäßigkeiten in den Unterlagen des Unternehmens auf.
C1 adjective /ˌɪnkəmˈpætəbl/

incompatible

unvereinbar
Meaning
Not able to exist or work together without conflict.
Example
Their personalities were completely incompatible.
Ihre Persönlichkeiten waren völlig unvereinbar.
C1 noun /ɪnˈfjuːʒən/

infusion

Infusion
Meaning
the act of introducing something into another; a drink made by steeping leaves or herbs in liquid
Example
She prepared a calming infusion of chamomile tea.
Sie bereitete eine beruhigende Infusion aus Kamillentee zu.
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.
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 noun /ˈɪnroʊd/

inroad

Fortschritt
Meaning
An advance or significant progress, often at the expense of something else.
Example
The company made significant inroads into the mobile market.
Das Unternehmen hat signifikante Fortschritte im Mobilmarkt gemacht.
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 adjective /ɪmˈplækəbl/

implacable

unversöhnlich
Meaning
unable to be appeased, calmed, or pacified
Example
The soldiers faced an implacable enemy who refused to surrender.
Die Soldaten standen einem unversöhnlichen Feind gegenüber, der sich weigerte, sich zu ergeben.
B1 noun ˈɪmpækt

impact

Einfluss
Meaning
A strong effect or influence; the action of one object coming forcibly into contact with another.
Example
The decision had great impact.
Die Entscheidung hatte großen Einfluss.
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.
A2 noun/verb /ˈɪntrəst/ or /ˈɪntəˌrɛst/

interest

Interesse / Zinsen
Meaning
A feeling of curiosity or concern about something; or money paid for the use of borrowed money.
Example
He showed great interest in learning new languages.
Er zeigte großes Interesse daran, neue Sprachen zu lernen.
C1 noun /ɪnˈdʒʌŋkʃən/

injunction

Unterlassungsverfügung
Meaning
A judicial order restraining a person from an action or compelling a certain act.
Example
The court issued an injunction to stop the company from polluting the river.
Das Gericht erließ eine Unterlassungsverfügung, um das Unternehmen daran zu hindern, den Fluss zu verschmutzen.
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.
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 noun /ˌɪrɪˌspɒnsəˈbɪləti/

irresponsibility

Verantwortungslosigkeit
Meaning
lack of responsibility or accountability; failure to act in a reliable or sensible way
Example
The accident was caused by his irresponsibility at work.
Der Unfall wurde durch seine Verantwortungslosigkeit bei der Arbeit verursacht.
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 noun /ˈɪm.pæs/

impasse

Stillstand
Meaning
A situation where no progress is possible.
Example
The negotiations reached an impasse, delaying the agreement.
Die Verhandlungen erreichten einen Stillstand, der die Vereinbarung verzögerte.
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 /ˌɪrɪˈprɛsəbl̩/

irrepressible

unaufhaltsam
Meaning
Impossible to control or restrain.
Example
She had an irrepressible urge to laugh during the speech.
Sie konnte ihre unaufhaltsame Lust zu lachen während der Rede nicht verbergen.
C1 noun /ɪmˈpjʊərəti/

impurity

Unreinheit
Meaning
the state of being unclean or contaminated; a substance that makes something impure
Example
The scientist removed every impurity from the water sample.
Der Wissenschaftler entfernte jede Unreinheit aus der Wasserprobe.
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.
A1 noun /ˌɪnfərˈmeɪʃən/

information

Information
Meaning
Facts or knowledge provided or learned about something.
Example
The website provides useful information about travel destinations.
Die Website bietet nützliche Informationen über Reiseziele.
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 adjective /ɪnˈfɔːrmətɪv/

Informative

informativ
Meaning
giving or providing useful information; educational; instructive
Example
The documentary was very informative and educational.
Die Dokumentation war sehr informativ und lehrreich.
C2 adjective/verb /ɪnˈkɑːrneɪt/

incarnate

inkarniert
Meaning
to embody or represent in human form; in flesh
Example
She is kindness incarnate.
Sie ist die Güte inkarniert.
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.
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.
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.
C2 adjective /ɪnˈtɛmpərət/

intemperate

intemperiert
Meaning
Lacking self-control; immoderate, especially in indulgence.
Example
The politician's intemperate remarks caused controversy.
Die intemperierten Bemerkungen des Politikers verursachten Kontroversen.
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 /ɪˈnɪmɪkəl/

inimical

feindlich / ungünstig
Meaning
tending to obstruct or harm; unfriendly or hostile
Example
The policy was inimical to the country's economic growth.
Die Politik war ungünstig für das Wirtschaftswachstum des Landes.
B2 verb /ˈɪnəveɪt/

innovate

innovieren
Meaning
To introduce new methods, ideas, or products.
Example
The company must innovate to stay ahead of its competitors.
Das Unternehmen muss innovieren, um seinen Konkurrenten voraus zu bleiben.
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.
B1 verb /ˈɪndʒər/

injure

verletzen
Meaning
to cause physical harm or damage to someone or something
Example
He injured his leg while playing football.
Er verletzte sein Bein beim Fußballspielen.
C2 adjective /ˌɪrɪˈdjuːsəbl/

irreducible

unzerlegbar
Meaning
impossible to reduce or simplify further
Example
The fraction 3/7 is irreducible.
Der Bruch 3/7 ist unzerlegbar.
C1 noun /ˌɪnfɪˈdɛləti/

infidelity

Untreue
Meaning
the act of being unfaithful to a spouse or partner
Example
Their marriage ended due to his infidelity.
Ihre Ehe endete wegen seiner Untreue.
C2 noun /ˌɪn.təˈvɛn.ʃə.nɪ.zəm/

interventionism

Interventionismus
Meaning
Government policy of active involvement in economic affairs.
Example
The central bank's interventionism helped stabilize inflation.
Der Interventionismus der Zentralbank half, die Inflation zu stabilisieren.
C2 adjective /ˌɪntərˈlɒkjətəri/

interlocutory

vorläufig
Meaning
Given during the course of a legal action, not final but temporary or provisional.
Example
The judge issued an interlocutory order to maintain the status quo until the hearing.
Der Richter erließ eine vorläufige Anordnung, um den Status quo bis zur Anhörung aufrechtzuerhalten.
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.
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 noun /ˌɪnsəˈfɪʃənsi/

insufficiency

Unzulänglichkeit
Meaning
The state of not being enough or not being adequate.
Example
The project failed due to the insufficiency of funds.
Das Projekt scheiterte aufgrund der Unzulänglichkeit von Mitteln.
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.
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.
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 /ˌɪnkənˈsiːvəbl̩/

inconceivable

unvorstellbar
Meaning
Impossible to imagine or believe; beyond comprehension.
Example
It seemed inconceivable that she could finish the marathon after such little training.
Es schien unvorstellbar, dass sie den Marathon nach so wenig Training beenden könnte.
C1 adjective /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 /ˌɪnɪkˈsprɛsəbl/

inexpressible

unaussprechlich
Meaning
Too strong or extreme to be expressed in words.
Example
She felt inexpressible joy at the news of her success.
Sie fühlte unaussprechliche Freude, als sie von ihrem Erfolg erfuhr.
C1 adjective ˌɪn.trəˈspek.tɪv

introspective

introspektiv
Meaning
Characterized by or given to introspection; examining one's own thoughts and feelings.
Example
Writers tend to be highly introspective individuals.
Schriftsteller neigen dazu, hochgradig introspektive Individuen zu sein.
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.
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 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 ɪnˈdel.ə.bəl

indelible

unvergesslich
Meaning
Making marks that cannot be removed; impossible to forget or remove.
Example
Her speech left an indelible mark on the audience.
Ihre Rede hinterließ einen unvergesslichen Eindruck beim Publikum.
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.
C1 adjective /ɪnˈfɜːm/

infirm

schwach
Meaning
Weak, especially due to old age or illness.
Example
The infirm old man needed assistance to walk.
Der schwache alte Mann brauchte Hilfe, um zu gehen.
C1 noun 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.
B1 adjective /ɪˈmiːdiət/

immediate

sofort
Meaning
happening or done without delay
Example
The doctor gave her immediate attention.
Der Arzt gab ihr sofortige Aufmerksamkeit.
C1 adjective /ɪnˈsɛp(ə)rəbəl/

inseparable

unzertrennlich
Meaning
Unable to be separated or always together.
Example
The two friends have been inseparable since childhood.
Die beiden Freunde sind seit ihrer Kindheit unzertrennlich.
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.
C2 adjective /ˌɪndɪˈfætɪɡəbl̩/

indefatigable

unermüdlich
Meaning
persisting tirelessly; incapable of being fatigued
Example
Her indefatigable spirit kept the team motivated during the long project.
Ihr unermüdlicher Geist hielt das Team während des langen Projekts motiviert.
B2 noun /aɪˌdɛntɪfɪˈkeɪʃən/

identification

Identifikation
Meaning
the process of recognizing or proving who or what someone or something is
Example
You need proper identification to enter the building.
Du brauchst eine ordnungsgemäße Identifikation, um das Gebäude zu betreten.
C1 adjective /ɪmˈpɜːrviəs/

impervious

undurchlässig
Meaning
Not allowing fluid to pass through; unable to be affected by something.
Example
The jacket is impervious to rain.
Die Jacke ist undurchlässig gegen Regen.