ignominious
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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.
B2 adjective /ɪnˈklaɪnd/

inclined

geneigt
Meaning
having a tendency or disposition toward something
Example
He is inclined to help those in need.
Er ist geneigt, den Bedürftigen zu helfen.
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.
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.
B2 verb /ɪnˈʃʊər/

insure

versichern
Meaning
to provide insurance; to make certain
Example
I need to insure my new car.
Ich muss mein neues Auto versichern.
B2 noun ˌɪn.stəˈleɪ.ʃən

installation

Installation
Meaning
The action or process of installing someone or something, or of being installed.
Example
The installation of the submarine cable is almost complete.
Die Installation des Unterseekabels ist fast abgeschlossen.
C1 noun /ɪmˌpɒsəˈbɪlɪti/

impossibility

Unmöglichkeit
Meaning
the state or fact of being impossible; something that cannot be done or achieved
Example
Finishing the project in one day was an impossibility.
Das Projekt an einem Tag zu beenden war eine Unmöglichkeit.
C1 adjective /ɪnˈtɛlɪdʒəbl/

intelligible

verständlich
Meaning
Able to be understood; clear enough to be comprehended.
Example
Her speech was barely intelligible over the noise.
Durch den Lärm war ihre Rede kaum verständlich.
C1 adjective /ˌɪndɪˈskrɪmɪnət/

indiscriminate

willkürlich
Meaning
Done without careful judgment; random or haphazard.
Example
The indiscriminate use of pesticides harms the environment.
Der willkürliche Einsatz von Pestiziden schadet der Umwelt.
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 /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.
C1 adjective /ɪnˈtræk.tə.bəl/

intractable

unlösbar
Meaning
Difficult or impossible to manage, control, or solve.
Example
The conflict has become an intractable problem.
Der Konflikt ist zu einem unlösbaren Problem geworden.
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.
B2 adverb /aɪˈrɒnɪkli/

ironically

ironischerweise
Meaning
in a way that is contrary to what is expected or intended
Example
Ironically, the fire station burned down.
Ironischerweise brannte die Feuerwache nieder.
C2 noun /ˈaɪ.kɒn/

ikon

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

isotope

Isotop
Meaning
Atoms of the same element with equal number of protons but different numbers of neutrons.
Example
Carbon-14 is a radioactive isotope used in dating fossils.
Kohlenstoff-14 ist ein radioaktives Isotop, das in der Fossilien-Datierung verwendet wird.
C2 noun /ˌɪnkənˈɡruːəti/

incongruity

Inkongruenz
Meaning
The state of being inconsistent or out of place.
Example
The incongruity of his cheerful mood during the funeral shocked everyone.
Die Inkongruenz seiner fröhlichen Stimmung während der Beerdigung erschreckte alle.
C2 noun /ˈɪntəˌkrɒpɪŋ/

intercropping

Zwischenfruchtanbau
Meaning
The agricultural practice of cultivating two or more crops simultaneously in the same field to maximize land use efficiency and improve soil health.
Example
Intercropping can help improve soil fertility and pest control.
Der Zwischenfruchtanbau kann helfen, die Bodenfruchtbarkeit und die Schädlingsbekämpfung zu verbessern.
C1 noun /ˈɪnflʌks/

influx

Zufluss
Meaning
A large arrival or flow of people or things.
Example
The city experienced an influx of tourists during the festival.
Die Stadt erlebte einen Zufluss von Touristen während des Festivals.
C1 noun ˌɪn.toʊˈneɪ.ʃən

intonation

Intonation
Meaning
The rise and fall of tone in speech and pronunciation.
Example
Proper intonation enhances the clarity of a speech.
Die richtige Intonation verbessert die Klarheit einer Rede.
B2 adjective /ɪnˈtækt/

intact

intakt
Meaning
Remaining whole, complete, and undamaged.
Example
Despite the storm, the old house remained intact.
Trotz des Sturms blieb das alte Haus intakt.
C2 adjective /ɪnˈtræn.sɪ.dʒənt/

intransigent

unversöhnlich, stur, hartnäckig
Meaning
Unwilling or refusing to change one's views or to agree about something.
Example
His intransigent stance delayed the agreement.
Seine intransigente Haltung verzögerte die Vereinbarung.
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.
B1 noun ˌɪndɪˈpendəns

independence

Unabhängigkeit
Meaning
The fact or state of being independent; freedom from outside control; not being subject to another's authority.
Example
Independence inspired the movement.
Die Unabhängigkeit inspirierte die Bewegung.
B2 adjective /aɪˈrɒnɪk/

ironic

ironisch, sarkastisch
Meaning
happening in the opposite way to what is expected, often amusing or sarcastic
Example
It is ironic that the fire station burned down.
Es ist ironisch, dass die Feuerwehrstation abgebrannt ist.
B1 adjective /ɪnˈtɜːrnəl/

internal

intern
Meaning
situated inside; relating to the inside or inner part of something
Example
The company is conducting an internal audit this month.
Das Unternehmen führt diesen Monat eine interne Prüfung durch.
C2 adjective /ɪnˈvaɪələbl/

inviolable

unverletzlich
Meaning
never to be broken, dishonored, or violated
Example
Human rights are considered inviolable in modern democracies.
Menschenrechte gelten in modernen Demokratien als unverletzlich.
C2 noun /ˈɪntərˌveɪl/

intervale

niedriges Land entlang eines Flusses, normalerweise fruchtbar und flach
Meaning
A low-lying tract of land along a river, usually fertile and flat.
Example
The farmers cultivated crops on the lush intervale by the river.
Die Bauern bauten Ernten auf dem fruchtbaren Intervallland am Fluss an.
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.
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 adverb, adjective /ˌɪnkɑːɡˈniːtoʊ/

incognito

inkognito
Meaning
In disguise or with one's identity concealed.
Example
The celebrity traveled incognito to avoid the paparazzi.
Der Promi reiste inkognito, um den Paparazzi zu entkommen.
B2 noun /ɪnˈdʌstriəl ˌrɛvəˈluːʃən/

Industrial Revolution

Industrielle Revolution
Meaning
The rapid development of industry that occurred in Britain in the late 18th and 19th centuries, brought about by the introduction of machinery and characterized by the use of steam power and the growth of factories.
Example
The Industrial Revolution marked a shift in production processes.
Die industrielle Revolution markierte einen Wandel in den Produktionsprozessen.
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.
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 verb /ɪnˈfɛkt/

infect

infizieren
Meaning
To contaminate with a disease-causing organism.
Example
The virus can infect healthy people quickly.
Das Virus kann gesunde Menschen schnell infizieren.
C1 adverb ɪnˈtrɪn.zɪ.kli

intrinsically

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

idiosyncratic

eigenartig und individuell
Meaning
Relating to idiosyncrasy; peculiar or individual.
Example
His idiosyncratic behavior set him apart from his colleagues.
Sein idiosynkratisches Verhalten unterschied ihn von seinen Kollegen.
B2 verb /ˌɪntərˈfɪər/

interfere

Glück
Meaning
to become involved in something that is not your concern; to hinder or obstruct
Example
Parents should not interfere in their children’s personal choices.
Sie konnte ihr Glück nicht verbergen, als sie den Preis erhielt.
B1 adverb /ˈɪnstəntli/

instantly

sofort
Meaning
immediately, without any delay
Example
He replied instantly to the message.
Er antwortete sofort auf die Nachricht.
A2 adjective /ˈɪntrəstɪd/

interested

interessiert
Meaning
Showing curiosity or concern about something.
Example
She is very interested in learning new languages.
Sie ist sehr interessiert daran, neue Sprachen zu lernen.
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.
C1 noun /ˌɪn.dʒəˈnjuː.ɪ.ti/

ingenuity

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

Inefficient

ineffizient
Meaning
not achieving maximum productivity; wasteful of time or resources
Example
The old computer system was inefficient and wasted a lot of time.
Das alte Computersystem war ineffizient und verschwendete viel Zeit.
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 verb /ɪnˈstrʌkt/

instruct

anweisen
Meaning
to teach; to give directions
Example
The teacher instructed the students carefully.
Der Lehrer wies die Schüler sorgfältig an.
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 /ˌɪnkəˈpæsəti/

incapacity

Inkapazität
Meaning
the lack of ability, power, or fitness to do something
Example
His mental incapacity prevented him from making important decisions.
Seine geistige Inkapazität hinderte ihn daran, wichtige Entscheidungen zu treffen.
B2 noun /ˈaɪrəni/

irony

Ironie
Meaning
a situation that is strange or amusing because it is the opposite of what is expected; the use of words to convey the opposite meaning
Example
The irony of the situation was that the winner forgot his own prize.
Die Ironie der Situation war, dass der Gewinner seinen eigenen Preis vergessen hatte.
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.
C2 adjective /ˌɪnfɪnɪˈtɛsɪməl/

infinitesimal

unmerklich
Meaning
Extremely small in size or amount; so tiny as to be almost negligible.
Example
The error was so infinitesimal that it didn’t affect the results.
Der Fehler war so unmerklich, dass er die Ergebnisse nicht beeinflusste.
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 /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 /ɪmp/

imp

kleiner schelmischer Teufel
Meaning
a small mischievous devil or sprite; a playful troublemaker
Example
The child was acting like a little imp, hiding his toys everywhere.
Das Kind benahm sich wie ein kleiner Teufel, der seine Spielzeuge überall versteckte.
C2 verb /ˈɪməleɪt/

immolate

immolieren
Meaning
To kill or sacrifice, especially by burning.
Example
The protesters threatened to immolate themselves in front of the building.
Die Demonstranten drohten, sich vor dem Gebäude zu immolieren.
C1 adjective /ɪnˈæk.tɪv/

Inactive

inaktiv
Meaning
not active; not working; dormant; idle
Example
The volcano has been inactive for over a century.
Der Vulkan ist seit über einem Jahrhundert inaktiv.
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.
B2 adjective /ˌɪnəˈproʊpriət/

inappropriate

unangemessen
Meaning
not suitable or proper in the circumstances
Example
It was inappropriate to talk loudly in the library.
Es war unangemessen, in der Bibliothek laut zu sprechen.
C2 noun /ˌɪnədˈvɜːrtəns/

inadvertence

Unachtsamkeit
Meaning
Failure to pay attention; carelessness.
Example
The error happened through sheer inadvertence.
Der Fehler geschah durch reine Unachtsamkeit.
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 noun /ɪnˈtræn.sɪ.dʒəns/

intransigence

Unnachgiebigkeit
Meaning
Refusal to change one's views or to agree about something.
Example
The negotiations failed due to the intransigence of both parties.
Die Verhandlungen scheiterten aufgrund der Unnachgiebigkeit beider Parteien.
C1 noun /ˈɪnlɛt/

inlet

Einlass
Meaning
A small arm of the sea, a lake, or a river; an opening or passage for entry.
Example
The boat entered a narrow inlet along the coast.
Das Boot fuhr in einen engen Einlass entlang der Küste.
B2 noun ˌɪntəˈlektʃuəlz

intellectuals

Intellektuelle
Meaning
People possessing a highly developed intellect; scholars or academics.
Example
Intellectuals protested against the dominance.
Die Intellektuellen protestierten gegen die Vorherrschaft.
C1 verb /ˈɪnstɪˌɡeɪt/

instigate

anstiften
Meaning
To bring about or initiate an action, often something negative.
Example
He was accused of instigating the riot.
Er wurde beschuldigt, den Aufstand anzustiften.
C2 noun /ɪnˈsuːsiəns/

insouciance

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

interpose

einwenden
Meaning
To place or insert between one thing and another; to intervene in a situation.
Example
He quickly interposed himself between the fighters to stop the quarrel.
Er trat schnell zwischen die Kämpfer, um den Streit zu stoppen.
C2 noun /ɪnˈtɛmpərəns/

intemperance

Intemperanz
Meaning
Lack of moderation or self-control, especially with drinking or eating.
Example
His intemperance in drinking ruined his health.
Seine Intemperanz beim Trinken ruinierte seine Gesundheit.
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.
C2 noun /aɪˈdɒlətri/

idolatry

Götzenverehrung
Meaning
The worship of idols or extreme admiration for someone or something.
Example
The priest condemned the idolatry practiced in the village.
Der Priester verurteilte die im Dorf praktizierte Götzenverehrung.
B2 adjective ˈɪn.tɪ.ɡrəl

integral

integral
Meaning
Necessary to make a complete whole; essential or fundamental.
Example
Exercise is an integral part of a healthy lifestyle.
Übung ist ein integraler Bestandteil eines gesunden Lebensstils.
C1 adjective /ɪˈluː.sɪv/

Illusive

trügerisch; scheinbar existierend, aber nicht real; täuschend
Meaning
deceptive; appearing to exist but not real; misleading
Example
The promise of easy money proved to be illusive and misleading.
Das Versprechen von leichtem Geld erwies sich als trügerisch und täuschend.
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 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.
C2 noun /ɪnˈhɪərəns/

inherence

Inhärenz
Meaning
The state of being an essential or permanent part of something.
Example
The inherence of risk is part of every business venture.
Das Inherente Risiko ist Teil jedes geschäftlichen Vorhabens.
C1 adjective /ɪˈnɔːɡjərəl/

Inaugural

eröffnend
Meaning
marking the beginning of something; first; opening
Example
The president delivered his inaugural speech.
Der Präsident hielt seine Eröffnungsrede.
C2 verb ˈɪnʌndeɪt

inundate

überschwemmen, jemanden oder etwas mit Dingen oder Menschen überfluten, die bearbeitet werden müssen
Meaning
To flood; overwhelm someone or something with things or people to be dealt with
Example
The company was inundated with requests after the advertisement.
Das Unternehmen wurde nach der Werbung mit Anfragen überflutet.
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.
C1 noun /ɪnˈsaɪtmənt/

incitement

Anstiftung
Meaning
the action of provoking unlawful or violent behavior
Example
He was arrested for incitement to riot.
Er wurde wegen Anstiftung zur Gewalt verhaftet.
C1 noun ˌɪrɪˈvɜːrsəbl ˈdæmɪdʒ

irreversible damage

unwiederbringlicher Schaden
Meaning
Harm or injury that cannot be undone or repaired.
Example
Climate change causes irreversible damage to ecosystems.
Der Klimawandel verursacht unwiederbringlichen Schaden an Ökosystemen.
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 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.
C2 adjective /ˌɪrɪˈkɒnsɪləbl/

irreconcilable

unversöhnlich
Meaning
impossible to make compatible or bring into harmony; unable to resolve differences
Example
The couple separated due to irreconcilable differences.
Das Paar trennte sich aufgrund unversöhnlicher Differenzen.
C2 noun /ˌɪn.ɪˈbraɪ.ə.ti/

inebriety

Trunkenheit
Meaning
the state of being drunk or intoxicated
Example
His frequent inebriety led to the loss of his job.
Seine häufige Trunkenheit führte zum Verlust seiner Arbeit.
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.
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.
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.
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.
B2 adjective /ɪnˈtɛns/

intense

intensiv
Meaning
Of extreme force, degree, or strength.
Example
She felt intense pain after the accident.
Sie fühlte nach dem Unfall intensive Schmerzen.
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 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.
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.
B1 noun /ɪnˈstrʌktər/

instructor

instruktor
Meaning
A person who teaches a subject or skill.
Example
The driving instructor was very patient with new learners.
Der Fahrlehrer war sehr geduldig mit den neuen Schülern.
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.
C1 adjective /ˌɪnsərˈmaʊntəbl/

insurmountable

unüberwindbar
Meaning
Too great to be overcome.
Example
The explorers faced insurmountable odds in the desert.
Die Entdecker standen im Wüstengebiet unüberwindbaren Hindernissen gegenüber.
A2 adjective/noun /ˈɪndiən/

indian

indisch
Meaning
Relating to India, its people, or their culture.
Example
She loves Indian food, especially biryani.
Sie liebt indisches Essen, besonders Biryani.
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 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.
C2 verb /ˌɪn.trəˈmɪt/

intromit

einführen
Meaning
To insert or introduce something into a place or body.
Example
The doctor carefully intromitted the instrument into the wound.
Der Arzt führte das Instrument vorsichtig in die Wunde ein.
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.
B2 adjective /ɪnˈækjərət/

Inaccurate

falsch; ungenau; fehlerhaft
Meaning
not correct; containing errors; wrong
Example
The weather forecast was inaccurate yesterday.
Die Wettervorhersage war gestern ungenau.
C2 adjective /ɪnˈklɛmɛnt/

inclement

unbeständiges Wetter
Meaning
unpleasantly cold, wet, or stormy (usually weather)
Example
The match was canceled due to inclement weather.
Das Spiel wurde wegen des schlechten Wetters abgesagt.
C1 adjective ɪn ˈfleɪ.ʃə.ner.i

inflationary

inflationär
Meaning
Characterized by or tending to cause monetary inflation; relating to rising prices.
Example
The government took measures to control inflationary pressures.
Die Regierung ergriff Maßnahmen zur Kontrolle der inflationären Drücke.
C2 adjective /ˌɪnkɔːrˈpɔːriəl/

incorporeal

inkorporell
Meaning
lacking a physical body; not composed of matter; intangible
Example
Ghosts are often described as incorporeal beings.
Gespenster werden oft als inkorporeelle Wesen beschrieben.
C2 noun /ˈɪrɪtənsi/

irritancy

Reizbarkeit
Meaning
the quality or state of causing irritation; legal or formal invalidation
Example
The constant noise became an irritancy to the neighbors.
Der ständige Lärm wurde zu einer Reizbarkeit für die Nachbarn.
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.
C2 adjective /ɪnˈsɪpɪd/

insipid

geschmacklos
Meaning
lacking flavor, interest, or excitement; dull
Example
The soup was insipid and needed more seasoning.
Die Suppe war geschmacklos und brauchte mehr Gewürze.
A2 noun /ˈɪlnəs/

illness

Krankheit
Meaning
A condition of being unwell or suffering from a disease.
Example
She missed school due to a serious illness.
Sie hat die Schule wegen einer schweren Krankheit verpasst.
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.
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.
B1 adjective /ɪmˈpres.ɪv/

Impressive

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

infatuate

verzücken
Meaning
to inspire with an intense but short-lived passion or admiration
Example
He was infatuated with her beauty.
Er war von ihrer Schönheit verzaubert.
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.
C2 noun (compound/erroneous entry) /ɪnˈɛksərəbl ɑːrmi/

inexorableinexorablearmy

unaufhaltsame Armee
Meaning
This appears to be a corrupted or concatenated form; interpreted as 'inexorable army' — an unstoppable or relentless force.
Example
The rebels feared the inexorable army approaching their stronghold.
Die Rebellen fürchteten die unaufhaltsame Armee, die sich ihrer Festung näherte.
C2 adjective /ɪmˈpɒndərəbl̩/

imponderable

unermesslich
Meaning
Something difficult or impossible to estimate, assess, or understand
Example
The outcome of the election depends on many imponderable factors.
Das Ergebnis der Wahl hängt von vielen unermesslichen Faktoren ab.
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 verb /ɪnˈɡreɪʃiˌeɪt/

ingratiate

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