inflection
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C1 noun ɪnˈflɛk.ʃən

inflection

Intonation
Meaning
The change in pitch or tone of voice when speaking for emphasis.
Example
His inflection kept the audience engaged.
Seine Intonation hielt das Publikum gebannt.
C2 noun /ˌɪntərˈlɒkjətər/

interlocutor

Gesprächspartner
Meaning
a person who takes part in a conversation or dialogue
Example
She was a skilled interlocutor during the debate.
Sie war eine geschickte Gesprächspartnerin während der Debatte.
C1 verb /ɪmˈpiːtʃ/

impeach

anklagen
Meaning
To charge a public official with misconduct while in office.
Example
The parliament voted to impeach the president.
Das Parlament stimmte ab, um den Präsidenten anzuklagen.
C1 verb /ɪmˈpiːd/

impede

behindern
Meaning
To obstruct or hinder the progress or development of something.
Example
Lack of funds can impede business growth.
Mangel an Mitteln kann das Wachstum von Unternehmen behindern.
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.
C2 noun /ɪˈluːmɪnənt/

illuminant

Beleuchtung
Meaning
A substance or device that produces light.
Example
The lamp acted as an illuminant in the dark cave.
Die Lampe fungierte als Beleuchtung in der dunklen Höhle.
B2 adjective /ɪˈlɪt.ər.ət/

Illiterate

analphabet; ungebildet; unwissend
Meaning
unable to read or write; lacking education
Example
The program aims to help illiterate adults learn to read and write.
Das Programm zielt darauf ab, analphabetische Erwachsene beim Lernen von Lesen und Schreiben zu unterstützen.
C2 adjective /ɪmˈpɑːlɪtɪk/

impolitic

unüberlegt
Meaning
Unwise or imprudent; not showing good judgment.
Example
It would be impolitic to criticize them openly.
Es wäre unüberlegt, sie öffentlich zu kritisieren.
A2 adverb /ɪnˈstɛd/

instead

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

irradiance

Strahlung
Meaning
the quality of shining brightly; the intensity of light falling on a surface
Example
The irradiance of the sun at noon was overwhelming.
Die Strahlung der Sonne zur Mittagszeit war überwältigend.
C1 adjective /ɪˈneɪn/

inane

unsinnig, dumm
Meaning
lacking sense, meaning, or significance; silly or pointless
Example
The movie was criticized for its inane dialogue.
Der Film wurde für seine unsinnigen Dialoge kritisiert.
B1 noun /ɪnˈɡriːdiənt/

ingredient

Zutat
Meaning
A component part or element of something, especially in a recipe.
Example
Flour is a key ingredient in baking bread.
Mehl ist eine wichtige Zutat beim Brotbacken.
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.
C1 verb ɪˈnɔː.ɡjə.reɪ.tɪd

inaugurated

eingeweiht
Meaning
Begin or introduce (a system, policy, or period) formally.
Example
The organization was inaugurated officially.
Die Organisation wurde offiziell eingeweiht.
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.
B2 adjective /ˌɪntəˈpɜːsənl/

interpersonal

zwischenmenschlich
Meaning
Relating to relationships or communication between people.
Example
He has excellent interpersonal skills and gets along well with others.
Er hat ausgezeichnete zwischenmenschliche Fähigkeiten und kommt gut mit anderen aus.
B2 adjective /ɪˈrɛləvənt/

Irrelevant

irrelevant
Meaning
not connected with or relevant to something; having no bearing on the matter
Example
Your past mistakes are irrelevant to this discussion.
Ihre vergangenen Fehler sind irrelevant für diese Diskussion.
B2 adjective /ɪnˈvɪz.ə.bəl/

Invisible

unsichtbar
Meaning
unable to be seen; not visible to the eye
Example
The bacteria are invisible without a microscope.
Bakterien sind unsichtbar ohne ein Mikroskop.
B1 adjective /ɪnˈfɔːrməl/

Informal

informell; entspannt; locker
Meaning
relaxed and friendly; not official or ceremonial; casual
Example
The meeting was informal and relaxed.
Das Treffen war informell und entspannt.
C2 noun /ɪnˈvɛstɪtʃər/

investiture

Investiturzeremonie
Meaning
the formal ceremony of conferring authority, rank, or office
Example
The king held an investiture ceremony for the new knight.
Der König hielt eine Investiturzeremonie für den neuen Ritter ab.
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.
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.
B2 noun /ˌɪmpərˈfɛkʃən/

imperfection

Unvollkommenheit
Meaning
a flaw, defect, or weakness; the state of being imperfect
Example
She accepted her imperfection as part of being human.
Sie akzeptierte ihre Unvollkommenheit als Teil des Menschseins.
C1 adjective /ɪnˈvɪnsəbl/

invincible

unbesiegbar
Meaning
too powerful to be defeated or overcome
Example
The team seemed invincible after winning ten matches in a row.
Das Team schien unbesiegbar, nachdem es zehn Spiele hintereinander gewonnen hatte.
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.
B1 adjective /ˈɪnər/

inner

inner
Meaning
Located inside or closer to the center; relating to one’s thoughts or feelings.
Example
She shared her inner thoughts with her best friend.
Sie teilte ihre inneren Gedanken mit ihrer besten Freundin.
C2 verb /ɪnˈdʒɛst/

ingest

einnehmen
Meaning
To take food, drink, or another substance into the body, usually by swallowing.
Example
The patient must ingest the medicine with water.
Der Patient muss das Medikament mit Wasser einnehmen.
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.
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 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.
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.
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.
B2 adjective /ɪnˈkluːsɪv/

inclusive

inklusiv
Meaning
Including all the services, facilities, or items normally expected or required; not excluding any section of society or any party involved.
Example
Inclusive growth benefits all sections of society.
Inklusives Wachstum kommt allen gesellschaftlichen Bereichen zugute.
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.
B1 abbreviation /ˌaɪˈiː/

ie

d.h.
Meaning
That is to say; used to clarify or explain something more precisely.
Example
Many amphibians, i.e., frogs and salamanders, can live both in water and on land.
Viele Amphibien, d.h. Frösche und Salamander, können sowohl im Wasser als auch an Land leben.
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 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.
B2 verb /ɪnˈveɪd/

invade

invasieren
Meaning
to enter a place or country forcefully, especially as an enemy
Example
The army invaded the neighboring country.
Die Armee hat das benachbarte Land invadierte.
C2 adjective /ɪnˈvɪdiəs/

invidious

missgünstig
Meaning
likely to arouse resentment, envy, or anger in others
Example
The manager's invidious remarks created tension among the employees.
Die missgünstigen Bemerkungen des Managers verursachten Spannungen unter den Mitarbeitern.
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.
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.
C2 adjective /ˈɪm.pi.əs/

Impious

gotteslästerlich; ungläubig
Meaning
irreligious; lacking reverence for religion; blasphemous
Example
The impious act shocked the religious community.
Die gotteslästerliche Handlung schockierte die religiöse Gemeinschaft.
B2 noun ɪnˈsɛntɪvz

incentives

Anreize
Meaning
Things that motivate or encourage one to do something.
Example
Tax incentives are used to encourage investment in renewable energy.
Steueranreize werden verwendet, um Investitionen in erneuerbare Energien zu fördern.
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.
B2 noun /ɪsˈlɑːm/

islam

Islam Religion
Meaning
the religion founded by the Prophet Muhammad, based on belief in one God (Allah)
Example
Islam emphasizes peace, justice, and compassion.
Der Islam betont Frieden, Gerechtigkeit und Mitgefühl.
C1 noun /ɪˈmɜː.ʃən/

immersion

Eintauchen
Meaning
Complete engagement in an environment or experience.
Example
Immersion in VR games makes users feel like they are inside the virtual world.
Das Eintauchen in VR-Spiele lässt die Benutzer das Gefühl haben, als wären sie in der virtuellen Welt.
C2 adjective /ˌɪnkəmˈprɛsəbl/

incompressible

uncompressibel
Meaning
Not able to be pressed or squeezed into a smaller space.
Example
Liquids are generally considered incompressible.
Flüssigkeiten gelten im Allgemeinen als uncompressibel.
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.
C1 adjective /ɪˈnænɪmət/

inanimate

lebensloses Objekt
Meaning
not alive, especially not in the manner of animals and humans; lifeless
Example
The museum was full of inanimate objects from ancient times.
Das Museum war voller lebloser Objekte aus alten Zeiten.
B2 adjective /ˌɪrɪˈzɪstəbəl/

Irresistible

unwiderstehlich
Meaning
too attractive and tempting to be resisted; impossible to resist
Example
The chocolate cake was absolutely irresistible.
Der Schokoladenkuchen war absolut unwiderstehlich.
B2 verb /ɪnˈdʒɛkt/

inject

injektieren
Meaning
To introduce a substance, especially a drug, into the body using a needle.
Example
The nurse will inject the vaccine into the patient's arm.
Die Krankenschwester wird den Impfstoff in den Arm des Patienten injizieren.
C2 adjective /ˌɪrɪˈmiːdiəbl̩/

irremediable

irreparabel
Meaning
Impossible to cure, repair, or remedy.
Example
The damage to the ancient manuscript was irremediable.
Der Schaden an dem alten Manuskript war irreparabel.
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 adjective /ɪˈledʒ.ə.bəl/

illegible

unleserlich
Meaning
Not clear enough to be read; unreadable.
Example
The doctor’s handwriting was almost illegible.
Die Handschrift des Arztes war fast unleserlich.
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 noun (plural) /ˈɪndɪˌsiːz/

indices

Indizes
Meaning
plural form of index; statistical measures or reference points used for comparison
Example
Stock market indices fell sharply after the announcement.
Die Indizes des Aktienmarkts fielen nach der Bekanntgabe stark.
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.
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.
C2 noun /ɪmˈbroʊlioʊ/

imbroglio

Verwicklungen
Meaning
An extremely confused, complicated, or embarrassing situation.
Example
The political imbroglio lasted for months without resolution.
Die politischen Verwicklungen dauerten Monate ohne Lösung.
B2 adverb /ɪmˈpeɪʃəntli/

impatiently

ungeduldig
Meaning
in a manner showing annoyance or restlessness due to delay or waiting
Example
She tapped her fingers impatiently while waiting for the reply.
Sie klopfte ungeduldig mit den Fingern, während sie auf die Antwort wartete.
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 /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.
C2 adjective /ɪnˈkɒntɪnənt/

incontinent

inkontinent
Meaning
lacking control over urination or defecation; lacking self-restraint
Example
The patient was incontinent after surgery.
Der Patient war nach der Operation inkontinent.
B1 verb /ɪnˈkriːst/

increased

erhöht
Meaning
became greater in size, amount, or degree
Example
The company's revenue increased last year.
Der Umsatz des Unternehmens ist im letzten Jahr gestiegen.
C2 adjective /ˌɪnɪkˈstɛnsəbl/

inextensible

undehnbar
Meaning
Not capable of being stretched or extended.
Example
This rope is made of an inextensible material.
Dieses Seil ist aus einem undehnbaren Material gemacht.
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.
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 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.
C2 adjective /ɪˈrɛzəluːt/

irresolute

unentschlossen
Meaning
uncertain or indecisive; lacking determination
Example
He stood irresolute at the crossroads, unsure which path to take.
Er stand unentschlossen an der Kreuzung und wusste nicht, welchen Weg er nehmen sollte.
C2 noun /ˈɪkθiəˌsɔːrz/

ichthyosaurs

Ichtiosaurier (eine Art ausgestorbener Meeresechse)
Meaning
Extinct marine reptiles that resembled fish and dolphins, dominant during the Mesozoic era.
Example
Ichthyosaurs were swift predators of the ancient seas.
Ichtiosaurier waren schnelle Raubtiere der alten Meere.
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.
C1 noun /ɪnˈdʌstriəsnəs/

industriousness

Fleiß
Meaning
The quality of being hardworking and diligent.
Example
His industriousness earned him a promotion at work.
Sein Fleiß brachte ihm eine Beförderung bei der Arbeit ein.
C1 adjective ɪnˈkʌm.bənt

incumbent

verpflichtend
Meaning
necessary for (someone) as a duty or responsibility.
Example
It is incumbent upon all citizens to obey the law.
Es ist für alle Bürger verpflichtend, das Gesetz zu befolgen.
C1 adjective /ɪˈmjuː.tə.bəl/

immutable

unveränderlich
Meaning
Unchangeable, permanent, or fixed
Example
The laws of physics are considered immutable.
Die Gesetze der Physik gelten als unveränderlich.
B2 noun ˌɪn.tɪˈɡreɪ.ʃən

integration

Integration. Vereinigung.
Meaning
The action or process of integrating; the process of combining or adding parts to make a unified whole.
Example
Integration of networks will improve global communication.
Die Integration von Netzwerken wird die globale Kommunikation verbessern.
C2 adjective /ˌɪnkænˈdɛsənt/

incandescent

glühend
Meaning
emitting light as a result of being heated; extremely bright or passionate
Example
The incandescent lamp lit up the entire hall.
Die glühende Lampe erleuchtete den gesamten Raum.
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.
A2 noun /ɪŋk/

Ink

Tinte
Meaning
a colored fluid used for writing, drawing, or printing; a dark liquid ejected by cuttlefish
Example
The old fountain pen leaked ink all over his white shirt during the meeting.
Der alte Füller hat Tinte auf sein weißes Hemd während des Treffens verschüttet.
B2 verb /ɪmˈpoʊzd/

imposed

auferlegt
Meaning
forced something to be accepted or put in place
Example
The government imposed new regulations on the industry.
Die Regierung hat neue Vorschriften für die Industrie erlassen.
C1 noun ˈɪm.pɪ.təs

impetus

Antrieb
Meaning
The force or motivation that drives something forward; momentum.
Example
The new policy provided an impetus for economic growth.
Die neue Politik gab einen Antrieb für das wirtschaftliche Wachstum.
C2 adjective /ɪˈnɪkwɪtəs/

iniquitous

ungerechts
Meaning
grossly unfair and morally wrong
Example
Slavery was one of the most iniquitous practices in history.
Sklaverei war eine der ungerechtesten Praktiken in der Geschichte.
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.
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.
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.
A2 preposition /ɪnˈkluːdɪŋ/

including

einschließlich
Meaning
used to show that someone or something is part of a larger group
Example
Many people attended the event, including students and teachers.
Viele Menschen nahmen an der Veranstaltung teil, einschließlich Studenten und Lehrern.
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.
B2 noun /ˌɪn.dɪˈkeɪ.ʃən/

Indication

Indikation; Zeichen
Meaning
a sign or piece of information that indicates something; a suggestion or hint
Example
The dark clouds were a clear indication that a storm was approaching the area.
Die dunklen Wolken waren ein deutliches Zeichen dafür, dass ein Sturm sich der Gegend näherte.
C2 noun /ɪmˈpʌlʃən/

impulsion

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

insignificant

unbedeutend
Meaning
Too small or unimportant to be worth considering.
Example
The cost was so insignificant that nobody noticed it.
Die Kosten waren so unbedeutend, dass niemand sie bemerkte.
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.
B2 verb ˈɪmplɪmentɪd

implemented

umgesetzt
Meaning
Put a decision or plan into effect; carried out or executed.
Example
The master plans were partially implemented.
Die Masterpläne wurden teilweise umgesetzt.
C2 noun /ˌɪkθiˈɒlədʒɪst/

ichthyologist

Ichthyologe
Meaning
A scientist who studies fish.
Example
The ichthyologist discovered a new species of fish in the river.
Der Ichthyologe entdeckte eine neue Fischart im Fluss.
C1 adjective /ɪˈræʃənəl/

irrational

irrational
Meaning
not logical or reasonable; lacking clear thought
Example
His fear of the dark was completely irrational.
Seine Angst vor der Dunkelheit war völlig irrational.
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 /ˌɪmpɪˈkjuːniəs/

impecunious

arm
Meaning
Having little or no money; poor.
Example
He grew up in an impecunious family.
Er wuchs in einer armen Familie auf.
A1 adjective /ˈɪntrəstɪŋ/ or /ˈɪntəˌrɛstɪŋ/

interesting

interessant
Meaning
Arousing curiosity or attention; holding one’s interest.
Example
The documentary about space was very interesting.
Die Dokumentation über den Weltraum war sehr interessant.
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.
C1 adjective /ˈɪnbɔːrn/

Inborn

angeboren; von Geburt an; inherenz
Meaning
existing from birth; natural; inherent
Example
She has an inborn talent for music.
Sie hat ein angeborenes Talent für Musik.
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.
C2 noun /ˈɪɡ.nəˌmɪn.i/

ignominy

Ignominie
Meaning
Public shame, disgrace, or dishonor.
Example
He lived the rest of his life in ignominy after the scandal.
Er lebte den Rest seines Lebens in Ignominie nach dem Skandal.
C2 noun /ɪmˌprɒb.əˈbɪl.ə.ti/

Improbability

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

incorrigible

unverbesserlich
Meaning
incapable of being corrected, improved, or reformed
Example
He is an incorrigible optimist who never loses hope.
Er ist ein unverbesserlicher Optimist, der niemals die Hoffnung verliert.
C1 adjective /ˌaɪdiəˈlɪstɪk/

Idealistic

idealistisch
Meaning
pursuing high principles or ideals; unrealistically optimistic
Example
She has an idealistic view of changing the world.
Sie hat eine idealistische Sicht darauf, die Welt zu verändern.
B2 adjective ˌɪnɪˈfɛktɪv

ineffective

ineffektiv
Meaning
Not producing any significant or desired effect; not achieving the intended result.
Example
Rote learning often proves to be ineffective.
Auswendiglernen erweist sich oft als ineffektiv.
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.
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.
C1 adjective /ɪnˈstrʌktɪv/

instructive

instruktiv
Meaning
useful and informative; providing knowledge or instruction
Example
The lecture was highly instructive and engaging.
Der Vortrag war sehr lehrreich und fesselnd.
C1 noun /ɪnˈkɜːrʒən/

incursion

Invasion
Meaning
A sudden attack or invasion into a place or territory.
Example
The army repelled the enemy incursion at the border.
Die Armee schlug die feindliche Invasion an der Grenze zurück.
B2 verb /ɪnˈsɜːrt/

insert

einsetzen
Meaning
to put or place something into something else
Example
Please insert the key into the lock.
bitte stecken Sie den Schlüssel in das Schloss.
B1 adjective /ɪmˈpeɪʃənt/

impatient

ungeduldig
Meaning
Not able to wait calmly; restless and eager for something to happen.
Example
She grew impatient while waiting in the long queue.
Sie wurde ungeduldig, während sie in der langen Schlange wartete.
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 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.
B2 verb /ɪmˈplaɪ/

imply

andeuten
Meaning
To suggest something without directly stating it.
Example
Her tone seemed to imply that she was upset.
Ihr Ton schien zu implizieren, dass sie verärgert war.
C1 adjective /ˌɪnɔːrˈɡænɪk/

inorganic

anorganisch
Meaning
relating to substances that are not derived from living organisms; lacking organic structure or growth
Example
Inorganic compounds are commonly studied in chemistry labs.
Anorganische Verbindungen sind wichtig in der Chemie.
C1 adjective /ɪmˈprɒbəbl/

improbable

unwahrscheinlich
Meaning
Not likely to be true or to happen.
Example
It seems improbable that he will arrive on time.
Es scheint unwahrscheinlich, dass er pünktlich ankommt.
C2 adjective /ɪnˈvaɪələt/

inviolate

unversehrt
Meaning
free from violation, injury, or desecration; kept safe and untouched
Example
The ancient temple remained inviolate for centuries.
Der alte Tempel blieb über Jahrhunderte unversehrt.
B1 noun/adjective /ˈɪnstənt/

instant

augenblicklich
Meaning
A very short period of time; happening immediately.
Example
He replied in an instant without hesitation.
Er antwortete im Augenblick ohne zu zögern.
C2 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 /ˈɪn.tɪ.ɡreɪ.tɪv dɪˈpləʊ.mə.si/

integrative diplomacy

Integrative Diplomatie
Meaning
A diplomatic approach that seeks to combine or coordinate different elements, interests, or parties into a unified whole.
Example
Integrative diplomacy strengthens alliances.
Integrative Diplomatie stärkt Allianzen.