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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.
C1 verb /ɪnˈstɪl/

instill

einflößen
Meaning
to gradually but firmly establish an idea, attitude, or habit in someone's mind
Example
Parents try to instill good values in their children.
Eltern versuchen, ihren Kindern gute Werte beizubringen.
C1 adjective /ɪnˈhɛrənt/

inherent

innehrent
Meaning
Existing in something as a natural, permanent, or essential quality.
Example
There are inherent risks in extreme sports.
Es gibt inhärente Risiken bei Extremsportarten.
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.
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.
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.
C1 adjective ˌɪn.təˈdɪs.ɪ.plɪ.nər.i

interdisciplinary

interdisziplinär
Meaning
Relating to more than one branch of knowledge.
Example
The interdisciplinary approach in education enhances problem-solving skills.
Der interdisziplinäre Ansatz in der Bildung fördert Problemlösungsfähigkeiten.
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 /ˈɪnkjʊˌbeɪtər/

incubator

Brutschrank
Meaning
a device or environment that provides suitable conditions for eggs, cells, or infants to develop
Example
The premature baby was placed in an incubator for care.
Das frühgeborene Baby wurde zur Pflege in einen Brutkasten gelegt.
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.
C2 noun /ˌɪnkænˈdɛsəns/

incandescence

Infrarotstrahlung
Meaning
the emission of light from a hot object; brilliance
Example
The incandescence of the candle filled the dark room.
Die Infrarotstrahlung der Kerze füllte den dunklen Raum.
C2 adjective /ɪnˈtɛsteɪt/

intestate

ohne Testament gestorben
Meaning
Having died without leaving a valid will.
Example
She died intestate, so her assets were distributed by law.
Sie ist ohne Testament gestorben, daher wurde ihr Vermögen nach dem Gesetz verteilt.
C2 verb /ˌɪntərˈmɪt/

intermit

unterbrechen
Meaning
To suspend or stop for a time; to pause intermittently.
Example
The rain would intermit and then start again.
Der Regen würde unterbrechen und dann wieder beginnen.
C1 noun /ɪnˈækjʊrəsi/

inaccuracy

Ungenauigkeit
Meaning
lack of accuracy or precision; an incorrect or wrong detail
Example
The report contained several factual inaccuracies.
Der Bericht enthielt mehrere Ungenauigkeiten.
C2 verb /ɪnˈsɪnəˌreɪt/

incinerate

verbrennen
Meaning
to burn something completely until it is reduced to ashes
Example
The city decided to incinerate the medical waste for safety.
Die Stadt beschloss, den medizinischen Müll aus Sicherheitsgründen zu verbrennen.
C1 adjective /ˌɪnɪkˈsplɪkəbl/

inexplicable

unverständlich
Meaning
Impossible to explain or understand.
Example
The sudden disappearance of the file was inexplicable.
Das plötzliche Verschwinden der Datei war unverständlich.
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.
B1 verb /ɪnˈstɔːl/

install

installieren
Meaning
To place or fix equipment or software so it is ready for use.
Example
He installed the new software on his computer.
Er hat die neue Software auf seinem Computer installiert.
B2 noun /ˈɪntərvəl/

interval

intervall
Meaning
a period of time between two events or points; a pause or break in activity
Example
There was a short interval between the two performances.
Es gab ein kurzes Intervall zwischen den beiden Aufführungen.
C1 adjective /ˌaɪ.di.əˈlɒdʒ.ɪ.kəl/

ideological

ideologisch
Meaning
Relating to or based on a system of ideas or beliefs.
Example
The two parties are divided by deep ideological differences.
Die beiden Parteien sind durch tiefgehende ideologische Unterschiede geteilt.
B1 adverb /ɪnˈkrɛdɪbli/

incredibly

unglaublich
Meaning
to a great degree; extremely or unbelievably
Example
The view from the top of the mountain was incredibly beautiful.
Der Blick vom Gipfel des Berges war unglaublich schön.
C2 verb /ɪnˈtɜːrpəˌleɪt/

interpolate

interpolieren
Meaning
To insert something, often words, into a text or conversation; to estimate values between known data points.
Example
The editor interpolated a missing paragraph into the manuscript.
Der Herausgeber interpolierte einen fehlenden Absatz in das Manuskript.
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 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 noun /ˌɪnsɪɡˈnɪfɪkəns/

insignificance

Bedeutungslosigkeit
Meaning
The quality of being unimportant or trivial.
Example
He felt a sense of insignificance in the vast universe.
Er fühlte ein Gefühl der Bedeutungslosigkeit im weiten Universum.
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 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.
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.
B2 adjective /ˌɪnsəˈfɪʃənt/

insufficient

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

immoral

unmoralisch
Meaning
Not conforming to accepted standards of morality; unethical or wicked.
Example
He was fired for his immoral behavior.
Er wurde wegen seines unmoralischen Verhaltens entlassen.
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 /ˌɪntərˈsɛʃən/

intercession

Fürbitte
Meaning
the act of intervening or pleading on behalf of another person
Example
The prisoner was released due to the intercession of influential leaders.
Der Gefangene wurde aufgrund der Fürbitte einflussreicher Führer freigelassen.
B2 noun ˌɪr.ɪˈɡeɪ.ʃən

irrigation

bewässerung
Meaning
The artificial application of water to land or soil.
Example
Irrigation systems improve crop yields in dry regions.
Bewässerungssysteme verbessern die Erträge in trockenen Regionen.
C1 adjective /ɪmˈpæsəbəl/

impassable

unpassierbar
Meaning
Impossible to travel along or over.
Example
The road became impassable after the heavy snowfall.
Die Straße wurde nach dem schweren Schneefall unpassierbar.
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.
B2 noun /ˈɪm.pʌls/

Impulse

Impuls; plötzlicher Drang
Meaning
a sudden strong and unreflective urge or desire to act; a driving force or motivation
Example
She bought the expensive dress on impulse and later regretted the purchase.
Sie kaufte das teure Kleid im Impuls und bereute später den Kauf.
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.
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.
C2 noun /ˌɪməʊˈbɪləti/

immobility

Unbeweglichkeit
Meaning
The state of being unable to move.
Example
After the accident, she suffered from immobility in her legs.
Nach dem Unfall litt sie an Unbeweglichkeit in ihren Beinen.
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 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.
C2 adjective /ˈɪnmoʊst/

inmost

der tiefste
Meaning
Situated at the very heart or deepest part; most private or secret.
Example
She revealed her inmost thoughts to her closest friend.
Sie enthüllte ihre tiefsten Gedanken ihrem engsten Freund.
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 /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 /ɪˈmɒdərət/

immoderate

immoderat
Meaning
excessive; beyond reasonable limits
Example
He has an immoderate love for sweets.
Er hat eine immoderate Liebe zu Süßigkeiten.
C1 noun /ˈɪnkwest/

inquest

Untersuchung
Meaning
A legal or official inquiry, especially into the cause of a death.
Example
The inquest revealed the cause of the accident.
Die Untersuchung enthüllte die Ursache des Unfalls.
C1 noun /ˈɪntərˌluːd/

interlude

Zwischenakt
Meaning
A short period of time that comes between two events; an interval.
Example
There was a brief musical interlude between the two acts of the play.
Es gab ein kurzes musikalisches Intermezzo zwischen den beiden Akten des Stücks.
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.
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.
B2 adjective + noun aɪˈdiːəl ɪnˈvaɪrənmənt

ideal environment

ideale Umgebung
Meaning
Perfect or most suitable conditions for growth or development
Example
Winter creates an ideal environment for vegetable growth.
Der Winter schafft eine ideale Umgebung für das Wachstum von Gemüse.
C2 adjective /ˌɪndɪˈsɒljʊbl/

indissoluble

Unauflöslich
Meaning
Unable to be destroyed, broken, or dissolved.
Example
Marriage was once considered an indissoluble bond.
Die Ehe wurde einst als unauflösliche Bindung betrachtet.
C2 adjective /ˌɪməˈmɔːriəl/

immemorial

unermesslich
Meaning
Extending back beyond memory or record; ancient.
Example
The tradition has been followed since time immemorial.
Die Tradition wird seit unermesslichen Zeiten befolgt.
B2 verb /ɪnˈkwaɪər/

inquire

fragen
Meaning
to ask; to investigate
Example
She inquired about the job opening.
Sie fragte nach der Stellenanzeige.
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.
C1 noun /aɪˈdiː.ə.lɪ.zəm/

Idealism

Idealismus
Meaning
the pursuit of high principles and noble goals; unrealistic pursuit of perfection
Example
His youthful idealism motivated him to join various social justice movements.
Sein jugendlicher Idealismus motivierte ihn, sich verschiedenen sozialen Gerechtigkeitsbewegungen anzuschließen.
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 /ɪˈmoʊbəl/

immobile

unbeweglich
Meaning
unable to move or be moved
Example
After the accident, he was immobile for weeks.
Nach dem Unfall war er wochenlang unbeweglich.
B2 noun /ɪnˈventər/

inventor

Erfinder
Meaning
a person who creates or designs something new, especially a device, method, or process
Example
The inventor patented her new medical device.
Der Erfinder ließ sein neues medizinisches Gerät patentieren.
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 /ɪnˈsek.tɪ.saɪd/

Insecticide

Insektizid
Meaning
a substance used for killing insects; a chemical pesticide that targets insects
Example
The farmer sprayed insecticide on his crops to protect them from harmful bugs.
Der Bauer sprühte Insektizid auf seine Ernte, um sie vor schädlichen Insekten zu schützen.
C2 verb /ɪnˈɡrɑːft/

ingraft

verankern
Meaning
To implant or fix deeply, often used in the sense of grafting an idea or quality.
Example
The teacher tried to ingraft good manners in the students.
Der Lehrer versuchte, gute Manieren bei den Schülern zu verankern.
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 adjective /ˌɪlɪˈdʒɪtɪmət/

illegitimate

illegitim
Meaning
Not authorized by law, rules, or standards; not recognized as valid.
Example
The court ruled the contract to be illegitimate.
Das Gericht entschied, dass der Vertrag illegitim war.
B1 adjective /aɪˈdiːəl/

ideal

ideal
Meaning
the best possible; perfect for a situation
Example
This place is ideal for a picnic.
Dieser Ort ist ideal für ein Picknick.
C1 noun ɪnˈdɪdʒɪnəs trəˈdɪʃənz

Indigenous Traditions

Indigene Traditionen
Meaning
Cultural practices, beliefs, and customs that have been passed down through generations among native peoples.
Example
Indigenous traditions in the Chittagong Hill Tracts are unique.
Die indigenen Traditionen in den Chittagong Hill Tracts sind einzigartig.
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.
A1 noun /ˈaɪs kriːm/

Ice-cream

eiscreme
Meaning
a frozen sweet dessert made from dairy products, usually served cold
Example
Children love to eat ice-cream on hot summer days.
Kinder essen gerne Eiscreme an heißen Sommertagen.
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.
C1 noun /ˌɪnˈdɪsəplɪn/

indiscipline

Undiszipliniertheit
Meaning
lack of discipline or self-control; failure to obey rules or maintain order
Example
Indiscipline among the students disrupted the learning environment.
Die Undiszipliniertheit der Schüler störte die Lernumgebung.
C2 noun /ˌɪmpjuˈteɪʃən/

imputation

Imputation
Meaning
an accusation or attribution of blame
Example
The politician denied the imputation of corruption.
Der Politiker bestritt die Imputation der Korruption.
B2 verb ɪnˈvɛst.ɪŋ

investing

investieren
Meaning
The act of putting money into financial schemes, shares, property, or a commercial venture with the expectation of achieving a profit.
Example
Investing in stocks can generate long-term wealth.
Investieren in Aktien kann langfristigen Reichtum generieren.
B2 noun ɪˈlɪtərəsi

illiteracy

Illiteralismus
Meaning
The inability to read and write; lack of education or knowledge in a particular area.
Example
Illiteracy often leads to poverty and unemployment.
Illiteralismus führt oft zu Armut und Arbeitslosigkeit.
B1 verb /ɪnˈvɑːlv/

involve

einbeziehen
Meaning
to include as a necessary part, or to engage someone in an activity
Example
The project will involve several departments working together.
Das Projekt wird mehrere Abteilungen einbeziehen, die zusammenarbeiten.
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.
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 /ɪˈmɪsəbl/

immiscible

unlöslich
Meaning
Describes liquids that do not mix together.
Example
Oil and water are immiscible liquids.
Öl und Wasser sind unlösliche Flüssigkeiten.
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.
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 noun /ɪnˈtɜːrmənt/

interment

Beerdigung
Meaning
The act of burying a dead body in a grave or tomb.
Example
The interment took place at the family cemetery.
Die Beerdigung fand auf dem Familienfriedhof statt.
C2 adjective /ɪɡˈnoʊ.bəl/

Ignoble

ehrenlos; niederträchtig; gemein
Meaning
dishonorable; not noble in character; base or mean
Example
His ignoble actions betrayed his friends' trust.
Seine ehrenlosen Taten verrieten das Vertrauen seiner Freunde.
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.
C1 noun /ɪmˈprɪzənmənt/

imprisonment

Inhaftierung
Meaning
the act of putting someone in prison; the state of being confined as punishment
Example
He faced imprisonment for violating the court order.
Er musste wegen Missachtung der Gerichtsordnung mit Inhaftierung rechnen.
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 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 /ɪmˈpɒs.tər/

Impostor

Betrüger; Hochstapler
Meaning
a person who pretends to be someone else in order to deceive others; a fraud
Example
The impostor convinced everyone he was a doctor until his fake credentials were discovered.
Der Imposter überzeugte alle, dass er ein Arzt war, bis seine falschen Qualifikationen entdeckt wurden.
C1 adjective /ˈɪnərmoʊst/

Innermost

am tiefsten; persönlichster
Meaning
most private and secret; deepest; most personal
Example
She shared her innermost feelings with her closest friend.
Sie teilte ihre tiefsten Gefühle mit ihrem engsten Freund.
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.
C2 adjective /ɪmˈprɒvɪdənt/

improvident

unbedacht
Meaning
Not having or showing foresight; spending wastefully or without thought for the future.
Example
His improvident habits left him with no savings.
Seine unbedachten Gewohnheiten ließen ihn ohne Ersparnisse zurück.
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 /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.
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.
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.
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 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.
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.
B2 noun /ɪnˈfɪnɪti/

infinity

unendlich
Meaning
A concept describing something without any limit or end.
Example
The universe seems to stretch into infinity.
Das Universum scheint sich ins Unendliche auszudehnen.
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 conjunction /ˌɪnəzˈmʌtʃ æz/

inasmuch-as

da
Meaning
Because; since.
Example
He cannot attend, inasmuch as he is unwell.
Er kann nicht teilnehmen, da er krank ist.
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 adjective /ˌɪnɔːˈspɪʃəs/

Inauspicious

unglücklich
Meaning
unlucky; showing signs that future success is unlikely; unfavorable
Example
The dark clouds seemed inauspicious for the wedding.
Die dunklen Wolken schienen für die Hochzeit ungünstig.
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 /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 /ɪnˈtɜːrmənəbl/

interminable

unendlich
Meaning
Seemingly endless; having no apparent end.
Example
The meeting felt interminable and exhausting.
Das Treffen schien unendlich und ermüdend.
B2 noun /ɪnˈtɛnsəti/

intensity

intensität
Meaning
The quality of being extreme, strong, or forceful in degree.
Example
The intensity of the storm frightened the villagers.
Die Intensität des Sturms erschreckte die Dorfbewohner.
C1 adjective /ɪnˈkɒmpɪtənt/

incompetent

inkompetent
Meaning
Lacking the necessary ability or skills to do something successfully.
Example
He was fired because he was incompetent at his job.
Er wurde entlassen, weil er in seinem Job unfähig war.
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.
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.
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.
C2 adjective ɪˈnɛfəbl

ineffable

unbeschreiblich
Meaning
Too great or extreme to be expressed or described in words.
Example
The beauty of the landscape was ineffable.
Die Schönheit der Landschaft war unbeschreiblich.
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.
B2 noun /ˈɪnvənˌtɔːri/

inventory

Inventar
Meaning
A complete list of items, such as goods in stock or property.
Example
The shopkeeper checked the inventory before opening the store.
Der Ladenbesitzer hat das Inventar überprüft, bevor er den Laden öffnete.
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.
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; 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.
C2 verb /ˈɪmprɪkeɪt/

imprecate

verfluchen
Meaning
To utter a curse or invoke evil upon someone.
Example
The old woman imprecated her enemies with dark words.
Die alte Frau verfluchte ihre Feinde mit dunklen Worten.
B2 noun /ɪnˈkwaɪəri/ or /ˈɪnkwəri/

inquiry

Untersuchung / Anfrage
Meaning
An act of asking for information; an investigation into something.
Example
The committee launched an inquiry into the financial irregularities.
Der Ausschuss leitete eine Untersuchung der finanziellen Unregelmäßigkeiten ein.
B2 noun /ɪnˈhæbɪtənt/

inhabitant

Einwohner
Meaning
a person or animal that lives in a particular place
Example
The inhabitants of the village rely on farming for their livelihood.
Die Einwohner des Dorfes sind auf die Landwirtschaft angewiesen, um ihren Lebensunterhalt zu sichern.
C2 adjective /ˌɪnæprɪˈhɛnsəbl/

inapprehensible

unverständlich
Meaning
not understandable; incomprehensible
Example
The concept was so abstract that it seemed inapprehensible to most students.
Das Konzept war so abstrakt, dass es für die meisten Studenten unverständlich schien.
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.
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 /ɪnˈklaɪn/

incline

neigen
Meaning
to feel willing or favorably disposed toward something; to bend or tilt
Example
She is inclined to agree with the proposal.
Sie ist geneigt, dem Vorschlag zuzustimmen.