invitation
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A2 noun /ˌɪnvɪˈteɪʃən/

invitation

Glück
Meaning
a written or spoken request to attend an event or to participate in something
Example
She sent me an invitation to her wedding.
Sie konnte ihr Glück nicht verbergen, als sie den Preis erhielt.
C2 adjective /ɪnhɑːrˈmoʊniəs/

Inharmonious

disharmonisch
Meaning
lacking harmony; discordant in sound; not in tune
Example
The inharmonious sounds from the broken piano made everyone cover their ears.
Die disharmonischen Geräusche vom kaputten Klavier zwangen alle, sich die Ohren zuzuhalten.
C1 adjective /ɪnˈstɪŋk.tɪv/

instinctive

instinktiv, natürlich, automatisch
Meaning
Based on instinct; done without conscious thought; natural and automatic.
Example
His instinctive reaction saved his life.
Seine instinktive Reaktion rettete sein Leben.
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.
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.
B2 adjective /ˈɪnˌsaɪtfəl/

insightful

einsichtig
Meaning
Showing deep understanding or perceptiveness.
Example
The professor gave an insightful lecture on global economics.
Der Professor hielt einen aufschlussreichen Vortrag über die globale Wirtschaft.
B1 noun /ˈɪnstəns/

instance

instanz
Meaning
An example or single occurrence of something.
Example
This is just one instance of his generosity.
Dies ist nur ein Beispiel für seine Großzügigkeit.
C2 adjective /ɪmˈpruːdənt/

imprudent

unbedacht
Meaning
Not showing care for the consequences of an action.
Example
It was imprudent to drive in such stormy weather.
Es war unbedacht, bei solchem Sturmwetter zu fahren.
B2 noun ɪnˌdʌstrɪəlaɪˈzeɪʃən

industrialization

Industrialisierung
Meaning
The development of industries in a country or region on a wide scale.
Example
Industrialization changed the global economy dramatically.
Die Industrialisierung hat die globale Wirtschaft dramatisch verändert.
B1 noun ˌɪn.stɪˈtjuː.ʃən

institution

Institution
Meaning
An organization founded and united for a specific purpose; an established law, practice, or custom.
Example
Institutions play a crucial role in governance.
Institutionen spielen eine entscheidende Rolle in der Regierungsführung.
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 /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.
C1 noun /ˈɪmɪnəns/

imminence

Imminenz, Zustand der Nähe
Meaning
the state of being about to happen
Example
The imminence of the storm forced people to take shelter.
Die Imminenz des Sturms zwang die Menschen, Zuflucht zu suchen.
C1 adjective /ˈaɪərnˌklæd/

ironclad

eiserne
Meaning
impossible to change, break, or dispute; very strong and firm
Example
The company had an ironclad contract with its suppliers.
Das Unternehmen hatte einen eisernen Vertrag mit seinen Lieferanten.
C1 noun /ˌɪntərˈdʒɛkʃən/

interjection

Interjektion
Meaning
a word or phrase used to express sudden emotion or reaction, often standing alone
Example
Words like 'wow' and 'ouch' are common interjections in English.
Wörter wie 'wow' und 'au' sind häufige Interjektionen im Englischen.
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.
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 /ˌɪn.strəˈmɛn.təl.ɪst/

instrumentalist

Instrumentalist
Meaning
A person who plays a musical instrument.
Example
The instrumentalist played a beautiful solo on the violin.
Der Instrumentalist spielte ein schönes Solo auf der Violine.
B2 adjective ˈɪn.tɪ.ɡreɪ.tɪd

integrated

integriert
Meaning
Combining or coordinating separate elements so as to provide a harmonious, interrelated whole.
Example
Integrated systems optimize efficiency.
Integrierte Systeme optimieren die Effizienz.
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.
C2 adjective /ˌɪntəˈrɒɡətəri/

interrogatory

interrogativ
Meaning
expressed in the form of a question; relating to questioning
Example
The lawyer’s interrogatory tone made the witness uncomfortable.
Der interrogative Ton des Anwalts machte den Zeugen unwohl.
C2 noun /ɪnˈsɪpiəns/

incipience

beginn
Meaning
the beginning or initial stage of something
Example
The project was still in its incipience when funding was approved.
Das Projekt war noch in seinem Beginn, als die Finanzierung genehmigt wurde.
C1 noun ˌɪnfrəˈstrʌktʃərəl dɪˈveləpmənt

infrastructural development

infrastrukturelle Entwicklung
Meaning
The process of building and improving the basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
Example
Infrastructural development is necessary for efficient recycling.
Infrastrukturelle Entwicklung ist notwendig für effizientes Recycling.
C1 adjective /ɪnˈveɪsɪv/

invasive

invasiv
Meaning
Tending to spread harmfully, intruding aggressively, or encroaching beyond proper boundaries.
Example
The doctor explained that the procedure was minimally invasive.
Der Arzt erklärte, dass das Verfahren minimal invasiv war.
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.
C1 verb /ɪnˈtɪmɪdeɪt/

intimidate

einschüchtern
Meaning
To frighten or overawe someone, especially to make them do what one wants.
Example
The bully tried to intimidate the smaller kids.
Der Tyrann versuchte, die kleineren Kinder einzuschüchtern.
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.
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.
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 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.
C1 noun /ˌɪntəkəˈnɛktɪvɪti/

interconnectivity

Interkonnektivität
Meaning
The state of being interconnected or the degree of connectivity between components
Example
The rise of interconnectivity has transformed global communication.
Der Aufstieg der Interkonnektivität hat die weltweite Kommunikation verändert.
C1 verb /ɪmˈpɛl/

impel

bewegen
Meaning
to drive, force, or urge someone to do something
Example
Her curiosity impelled her to open the mysterious box.
Ihre Neugier trieb sie dazu, die mysteriöse Kiste zu öffnen.
C1 adjective /aɪˈreɪt/

irate

zornig
Meaning
Extremely angry.
Example
The customer became irate after waiting for hours.
Der Kunde wurde zornig, nachdem er stundenlang gewartet hatte.
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.
C1 adjective; noun /ɪˈmɔːrtl/

immortal

unsterblich
Meaning
living forever; never dying; lasting forever in fame or memory
Example
Legends often describe heroes as immortal beings who never die.
Mythen sprechen von unsterblichen Wesen.
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 /ˌɪmprəˈpraɪəti/

impropriety

Ungehörigkeit
Meaning
Failure to observe standards of honesty or modesty; improper behavior.
Example
The politician was accused of financial impropriety.
Der Politiker wurde der finanziellen Ungehörigkeit beschuldigt.
C2 adjective /ɪˈlɪmɪtəbl/

illimitable

unermesslich
Meaning
Without limits or bounds.
Example
The universe is often described as illimitable.
Das Universum wird oft als unermesslich beschrieben.
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.
B1 verb ɪnˈvɛst

invest

investieren
Meaning
To put money, effort, time, etc. into something to make a profit or get an advantage.
Example
Investing in intellectual property can generate passive income.
In geistiges Eigentum zu investieren kann passives Einkommen generieren.
B2 noun /ˌɪnəˈbɪləti/

inability

unfähigkeit
Meaning
the state of being unable to do something
Example
His inability to make decisions affected his career.
Seine Unfähigkeit, Entscheidungen zu treffen, beeinträchtigte seine Karriere.
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.
C1 noun /ɪnˈædɪkwəsi/

inadequacy

Unzulänglichkeit
Meaning
lack of sufficient ability, quality, or strength; a feeling of not being good enough
Example
She struggled with feelings of inadequacy at work despite her strong qualifications.
Trotz ihrer starken Qualifikationen kämpfte sie bei der Arbeit mit Gefühlen der Unzulänglichkeit.
B2 adjective /ɪnˈstrʌkʃənəl/

instructional

lehrreich
Meaning
providing knowledge or information; intended to teach
Example
The website offers many instructional videos for beginners.
Die Website bietet viele lehrreiche Videos für Anfänger an.
B1 noun ɪmˈpruːv.mənts

improvements

Verbesserungen
Meaning
The action of making or becoming better; an instance of something becoming or being made better.
Example
Continuous improvements increase productivity.
Kontinuierliche Verbesserungen steigern die Produktivität.
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 verb /ɪnˈfleɪt/

inflate

aufblasen; künstlich erhöhen
Meaning
to fill with air or gas so it expands; to increase excessively or artificially
Example
The mechanic inflated the tire to the correct pressure.
Der Mechaniker blies den Reifen auf den richtigen Druck auf.
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.
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 verb /ɪnˈtɒksɪkeɪt/

intoxicate

Glück
Meaning
to make someone lose control of their faculties or behavior due to alcohol or drugs
Example
The strong drink quickly intoxicated him.
Sie konnte ihr Glück nicht verbergen, als sie den Preis erhielt.
C2 noun /ˈɪrɪɡənt/

irrigant

Bewässerungsflüssigkeit
Meaning
A liquid used for irrigation, especially in medical or agricultural contexts.
Example
The doctor used a sterile irrigant during the procedure.
Der Arzt verwendete während des Verfahrens ein steriles Bewässerungsflüssigkeit.
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.
C1 adjective /ˌɪndɪˈfɛnsəbl̩/

indefensible

unverteidbar
Meaning
not able to be protected or justified
Example
The minister’s remarks were considered indefensible by the public.
Die Bemerkungen des Ministers wurden von der Öffentlichkeit als unverteidbar angesehen.
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.
B1 noun /ɪnˈtɛnʃən/

intention

Absicht
Meaning
A plan, aim, or purpose behind an action.
Example
Her intention was to finish the project before the deadline.
Ihre Absicht war es, das Projekt vor der Frist abzuschließen.
C2 adjective /ˈɪmənənt/

immanent

immanent
Meaning
existing or operating within; inherent
Example
He believed that moral values are immanent in human nature.
Er glaubte, dass moralische Werte in der menschlichen Natur immanent sind.
C1 adjective, noun /ˈɪnvəlɪd/ (adjective), /ɪnˈvælɪd/ (noun)

invalid

ungültig
Meaning
Not valid; having no force or effect. Also refers to a person too weak or ill to care for themselves.
Example
The court declared the contract invalid.
Das Gericht erklärte den Vertrag für ungültig.
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 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 /ˌɪndaɪˈdʒestəbəl/

Indigestible

indigest; schwer zu verdauen
Meaning
difficult or impossible to digest; hard to process in the stomach
Example
The old bread became hard and indigestible.
Das alte Brot wurde hart und ungenießbar.
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 /ˌɪkθiˈɒlədʒi/

ichthyology

Ichthyologie
Meaning
The branch of zoology that deals with fish.
Example
He pursued a degree in ichthyology at the university.
Er hat an der Universität einen Abschluss in Ichthyologie gemacht.
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.
B2 adjective /ɪnˈtɛnsɪv/

intensive

intensiv
Meaning
Involving a lot of effort, energy, or concentration in a short period of time.
Example
She attended an intensive English course before moving abroad.
Sie besuchte einen intensiven Englischkurs, bevor sie ins Ausland zog.
C1 adjective /ɪnˈdʌktɪv/

inductive

induktiv
Meaning
characterized by the inference of general laws from particular instances; reasoning from specific cases to general principles
Example
The scientist used inductive reasoning to form a hypothesis.
Der Wissenschaftler verwendete induktives Denken, um eine Hypothese zu formulieren.
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.
C1 noun ˌɪndɪˈspensəbl̩ ˈkɒmpɪtənsi

indispensable competency

unverzichtbare Kompetenz
Meaning
Essential skill or ability that cannot be done without; a crucial capability that is absolutely necessary.
Example
Digital literacy is an indispensable competency in the 21st century.
Digitale Kompetenz ist eine unverzichtbare Kompetenz im 21. Jahrhundert.
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 verb /ɪnˈvoʊk/

invoke

anrufen
Meaning
to call upon a higher power, authority, or principle for help, support, or justification
Example
The lawyer invoked the constitution to defend his client.
Der Anwalt rief die Verfassung an, um seinen Mandanten zu verteidigen.
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.
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 /ˌɪntərˈmiːdiˌɛri/

intermediary

Vermittler
Meaning
A person who acts as a link between people in order to try to bring about an agreement; a mediator.
Example
The diplomat served as an intermediary between the two conflicting nations.
Der Diplomat fungierte als Vermittler zwischen den beiden konfliktierenden Nationen.
B2 noun /ɪnˈsaɪdə/

insider

Insider
Meaning
a person within a group or organization who has access to confidential information
Example
He was an insider who knew all the company's secrets.
Er war ein Insider, der alle Geheimnisse der Firma kannte.
B1 noun ˌɪnspɪˈreɪʃən

inspiration

Inspiration
Meaning
The process of being mentally stimulated to do or feel something, especially to do something creative.
Example
His journey to success became an inspiration for many.
Seine Reise zum Erfolg wurde zu einer Inspiration für viele.
C2 noun /ˌɪndɛnˈteɪʃən/

indentation

Einzug
Meaning
A space left at the beginning of a line of text; a notch or deep recess on a surface.
Example
The teacher asked the students to use proper indentation in their essays.
Der Lehrer bat die Schüler, die richtige Einrückung in ihren Aufsätzen zu verwenden.
C2 adjective /ɪnˈfɜːrnəl/

infernal

höllisch
Meaning
relating to hell; extremely troublesome or annoying
Example
The workers complained about the infernal noise from the construction site.
Die Arbeiter beschwerten sich über den höllischen Lärm von der Baustelle.
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 verb /ɪnˈfleɪm/

inflame

entzünden
Meaning
to arouse strong feelings or provoke anger; to cause inflammation in the body
Example
The politician's remarks served to inflame public opinion.
Die Bemerkungen des Politikers haben dazu beigetragen, die öffentliche Meinung zu entflammen.
A2 adjective/noun /ˈaɪrɪʃ/

irish

Glück
Meaning
relating to Ireland, its people, or its language
Example
The Irish countryside is very beautiful.
Sie konnte ihr Glück nicht verbergen, als sie den Preis erhielt.
C2 noun /ˈɪn.dɪ.dʒəns/

indigence

Armut
Meaning
a state of extreme poverty or destitution
Example
The charity was founded to help people living in indigence.
Die Wohltätigkeitsorganisation wurde gegründet, um Menschen zu helfen, die in Armut leben.
B2 adjective /ɪmˈprɒp.ər/

Improper

unangemessen; inkorrekt; ungeeignet
Meaning
inappropriate; incorrect; not suitable
Example
It would be improper to discuss personal matters in a business meeting.
Es wäre unangemessen, in einer Geschäftssitzung persönliche Angelegenheiten zu besprechen.
C1 verb /ɪmˈpɒvərɪʃ/

impoverish

verarmen
Meaning
To make someone poor or reduce the quality or richness of something.
Example
The long war impoverished the entire nation.
Der lange Krieg hat die ganze Nation verarmt.
C1 adjective /ɪnˈhɪbɪtɪd/

inhibited

gehemmt
Meaning
Unable to act in a relaxed and natural way, especially due to self-consciousness or restraint.
Example
He was too inhibited to express his true feelings.
Er war zu gehemmt, um seine wahren Gefühle auszudrücken.
C1 adjective /ˌɪnədˈvaɪzəbl/

inadvisable

nicht ratsam
Meaning
Not recommended; likely to have undesirable consequences.
Example
It is inadvisable to drive in such heavy rain.
Es ist nicht ratsam, bei solchem starken Regen zu fahren.
C2 noun /ɪnˈtɒksɪkənt/

intoxicant

Rauschmittel
Meaning
a substance, especially alcohol or a drug, that causes intoxication
Example
Alcohol is the most commonly used intoxicant in many cultures.
Alkohol ist das am häufigsten verwendete Rauschmittel in vielen Kulturen.
B2 adjective /aɪˈdentɪkəl/

Identical

identisch; genau gleich
Meaning
exactly the same; not different in any way
Example
The twins look completely identical to each other.
Die Zwillinge sehen völlig identisch aus.
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.
A1 noun /aɪs/

Ice

Eis
Meaning
water that has frozen and become solid
Example
The ice in my drink melted quickly in the hot weather.
Das Eis in meinem Getränk schmolz schnell bei heißem Wetter.
C1 adjective /ˌɪnɪkˈskjuːzəbl/

inexcusable

unentschuldbar
Meaning
Too bad to be justified or overlooked; unforgivable.
Example
His rude behavior was inexcusable.
Sein unhöfliches Verhalten war unentschuldbar.
C2 adjective /ɪnˈsuːpərəbl/

insuperable

unüberwindbar
Meaning
Impossible to overcome or surpass.
Example
The team faced insuperable challenges during the expedition.
Das Team stand während der Expedition vor unüberwindbaren Herausforderungen.
C1 noun /ɪnˈsɜːrdʒəns/

insurgence

Aufstand
Meaning
An act of rebellion or uprising against authority.
Example
The government struggled to contain the growing insurgence.
Die Regierung hatte Schwierigkeiten, den wachsenden Aufstand zu bekämpfen.
C1 noun /ɪˈnɜː.ʃə/

Inertia

Inertie; Bewegungsmangel
Meaning
a tendency to do nothing or remain unchanged; lack of activity or movement
Example
The team's inertia prevented them from adapting to the rapidly changing market conditions.
Die Inertie des Teams verhinderte, dass es sich an die sich schnell ändernden Marktbedingungen anpasste.
B2 adjective, noun /ɪzˈreɪli/

israeli

israelisch
Meaning
relating to Israel or its people; a person from Israel
Example
She works for an Israeli company.
Sie arbeitet für ein israelisches Unternehmen.
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.
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 ˌɪm.pəˈsɛp.tɪ.bəl

imperceptible

unmerklich
Meaning
So subtle or gradual that it is difficult to notice or perceive
Example
The changes in his behavior were imperceptible at first.
Die Veränderungen in seinem Verhalten waren anfangs unmerklich.
B2 verb /ɪnˈdʌldʒ/

indulge

sich hingeben
Meaning
to allow oneself to enjoy something enjoyable, often excessively
Example
He indulged in a piece of chocolate cake after dinner.
Er hat nach dem Abendessen ein Stück Schokoladenkuchen genossen.
B2 adverb /ɪnˈɛvɪtəbli/

inevitably

unvermeidlich
Meaning
in a way that cannot be avoided or prevented
Example
Inevitably, the team faced challenges during the project.
Unvermeidlich stand das Team während des Projekts vor Herausforderungen.
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.
B1 verb /ɪnˈfɔ:m/

inform

informieren
Meaning
to tell someone about something; to give information
Example
Please inform me when you arrive at the airport.
Bitte informieren Sie mich, wenn Sie am Flughafen ankommen.
C1 noun /ˌɪnkjʊˈbeɪʃən/

incubation

der Prozess, Eier, Zellen oder Organismen unter den richtigen Bedingungen für die Entwicklung zu halten
Meaning
the process of keeping eggs, cells, or organisms in the right conditions for development
Example
The incubation of the eggs lasted for three weeks.
Die Inkubation der Eier dauerte drei Wochen.
C1 noun ˌɪnfɛsˈteɪʃən

infestation

befall, das Vorhandensein einer ungewöhnlich großen Anzahl von Insekten oder Tieren an einem Ort
Meaning
The presence of an unusually large number of insects or animals in a place, causing damage or disease.
Example
The infestation of ants in the kitchen led to immediate pest control measures.
Die Insektenplage in der Küche führte zu sofortigen Maßnahmen zur Schädlingsbekämpfung.
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 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 verb /ɪnˈkɜːr/

incur

auf sich nehmen
Meaning
To bring upon oneself something undesirable, usually as a result of actions.
Example
He incurred a fine for parking in the wrong place.
Er zog eine Strafe auf sich, weil er an der falschen Stelle parkte.
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.
C2 verb /ɪnˈveɪ/

inveigh

heftig kritisieren
Meaning
To speak or write about something with great hostility and criticism.
Example
He inveighed against the corruption in government.
Er kritisierte heftig die Korruption in der Regierung.
C2 noun /ˈɪmpjʊdəns/

impudence

Unverschämtheit
Meaning
Rude and disrespectful behavior.
Example
The student's impudence shocked the entire class.
Die Unverschämtheit des Schülers schockierte die ganze Klasse.
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.
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.
A2 verb /ɪnˈvaɪtɪd/

invited

eingeladen
Meaning
asked someone formally or politely to go somewhere or do something
Example
She was invited to the party.
Sie wurde zur Party eingeladen.
C1 noun /ˌɪnflɛksɪˈbɪlɪti/

inflexibility

Unflexibilität
Meaning
the quality of being rigid or unwilling to change; lack of adaptability
Example
The inflexibility of the rules caused unnecessary delays.
Die Unflexibilität der Regeln verursachte unnötige Verzögerungen.
C2 verb /ˈɪntərˌdɪkt/

interdict

verbieten
Meaning
to prohibit or forbid something by authoritative order, often by law or decree
Example
The court moved to interdict the sale of the illegal goods.
Das Gericht beschloss, den Verkauf der illegalen Waren zu verbieten.
C2 noun /ˈɪnfəmi/

infamy

Glück
Meaning
the state of being well known for some bad quality or deed
Example
His name will live in infamy for the crimes he committed.
Sie konnte ihr Glück nicht verbergen, als sie den Preis erhielt.
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 adjective /ɪnˈdetɪd/

Indebted

verschuldet; dankbar
Meaning
owing money or gratitude to someone; obligated; grateful
Example
I am deeply indebted to my teacher for all her guidance.
Ich bin meiner Lehrerin tief verbunden für ihre ganze Führung.
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.
C2 adjective ɪnˈdɒm.ɪ.tə.bəl

indomitable

unbezwingbar
Meaning
Impossible to subdue or defeat.
Example
Her indomitable spirit helped her overcome adversity.
Ihr unbezwungener Geist half ihr, Widrigkeiten zu überwinden.
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 /ɪnˈsteɪbəl/

instable

instabil
Meaning
not stable; liable to change, collapse, or fail; lacking firmness or reliability
Example
The instable political situation worried foreign investors.
Die instabile politische Lage beunruhigte ausländische Investoren.
C2 noun /ɪmˌpɜːrtərbəˈbɪləti/

imperturbability

Unerschütterlichkeit
Meaning
The quality of being calm and not easily disturbed or upset.
Example
Her imperturbability during the crisis impressed everyone.
Ihre Unerschütterlichkeit während der Krise beeindruckte alle.