ingenious
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C1 adjective ɪnˈdʒiː.ni.əs

ingenious

genial
Meaning
Showing inventiveness and skill; clever, original, and inventive.
Example
His ingenious ideas transformed modern physics.
Seine genialen Ideen verwandelten die moderne Physik.
B2 noun /ˈɪdɪət/

idiot

Idiot
Meaning
a person who acts in a way that is considered very stupid or foolish
Example
He acted like an idiot at the party last night.
Er benahm sich wie ein Idiot auf der Party letzte Nacht.
C1 adjective /ˌɪnədˈvɜːrtənt/

inadvertent

unbeabsichtigt, unbeabsichtigt
Meaning
Not resulting from or achieved through deliberate planning; unintentional.
Example
Her inadvertent mistake caused a delay in the project.
Ihr unbeabsichtigter Fehler verursachte eine Verzögerung im Projekt.
C2 noun /ɪnˈtɛɡ.jʊ.mənt/

integument

äußere Hülle
Meaning
A natural outer covering, such as skin, shell, or rind.
Example
The snake sheds its integument as it grows.
Die Schlange verliert ihre äußere Hülle, wenn sie wächst.
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.
C2 adjective /ˌɪntərˈniːsaɪn/

internecine

innerer Konflikt
Meaning
Relating to conflict within a group, often causing mutual destruction.
Example
The internecine conflict weakened the organization from within.
Der interne Konflikt schwächte die Organisation von innen
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.
B2 noun ˈɪnər strɛŋkθ

inner strength

innere Stärke
Meaning
Mental or spiritual power that helps a person cope with difficulties.
Example
Community service fosters inner strength in individuals.
Gemeinnützige Arbeit fördert die innere Stärke in Einzelpersonen.
C2 adjective /ɪnˈskruːtəbl̩/

inscrutable

Glück
Meaning
impossible to understand or interpret
Example
His inscrutable expression made it hard to know what he was thinking.
Sie konnte ihr Glück nicht verbergen, als sie den Preis erhielt.
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.
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.
B1 noun ɪˈnɪʃətɪv

initiative

Initiative
Meaning
An act or strategy intended to resolve a difficulty or improve a situation; a fresh approach to something.
Example
NASA's initiative to return humans to the Moon is ambitious.
Die Initiative der NASA, Menschen zum Mond zurückzubringen, ist ehrgeizig.
C1 verb /ɪnˈdʌkt/

induct

jemanden formell in eine Position, Organisation oder ein Amt aufnehmen
Meaning
to formally admit someone into a position, organization, or office
Example
She was inducted into the university's honor society.
Sie wurde in die Ehrenvereinigung der Universität aufgenommen.
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.
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.
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.
C2 noun /ˌɪmprɪˈkeɪʃən/

imprecation

Fluch
Meaning
A spoken curse or expression of strong condemnation.
Example
The angry crowd hurled imprecations at the corrupt official.
Die wütende Menge schleuderte Flüche auf den korrupten Beamten.
C2 noun /ɪmˈprɑːvɪdəns/

improvidence

Vorsehenslosigkeit
Meaning
Lack of foresight or care for future needs.
Example
His improvidence led to financial difficulties.
Seine Vorsehenslosigkeit führte zu finanziellen Schwierigkeiten.
C1 verb /ˈaɪdəlaɪz/

idolize

verehren
Meaning
To admire or worship someone excessively.
Example
Fans often idolize celebrities for their talent and lifestyle.
Fans verehren oft Prominente für ihr Talent und ihren Lebensstil.
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.
C1 noun /ˌɪnkwɪˈzɪʃən/

inquisition

Inquisition
Meaning
A prolonged and intense questioning or investigation, often harsh in nature.
Example
The journalist faced an inquisition from the panel about his sources.
Der Journalist wurde einem harten Verhör durch das Panel über seine Quellen unterzogen.
B2 noun /ɪmˈpɒlɪtnəs/

impoliteness

Unhöflichkeit
Meaning
lack of good manners or courtesy; rude behavior
Example
His impoliteness towards the guests shocked everyone.
Seine Unhöflichkeit gegenüber den Gästen schockierte alle.
B2 adjective /ɪnˈdɪf.ər.ənt/

indifferent

gleichgültig
Meaning
having no particular interest or concern; not caring one way or another
Example
She was indifferent to the outcome of the match.
Sie war gleichgültig gegenüber dem Ausgang des Spiels.
C1 adjective /ˈɪnsələnt/

insolent

unverschämt, arrogant
Meaning
showing a rude and arrogant lack of respect
Example
The insolent student refused to follow the teacher's instructions.
Der unverschämte Schüler weigerte sich, den Anweisungen des Lehrers zu folgen.
C1 adjective /ɪˈmuː.və.bəl/

immovable

unbeweglich
Meaning
Not able to be moved; fixed in position.
Example
Immovable barriers prevent change.
Unbewegliche Barrieren verhindern Veränderungen.
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.
B2 verb /ɪnˈtɜːrprət/

interpret

interpretieren / übersetzen
Meaning
to explain the meaning of something; to translate orally
Example
She had to interpret the speech for the foreign guests.
Sie musste die Rede für die ausländischen Gäste übersetzen.
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.
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.
C2 noun /ɪnˈvɛktɪv/

invective

beleidigende Sprache
Meaning
Insulting, abusive, or highly critical language.
Example
The politician’s speech was filled with invective against his opponents.
Die Rede des Politikers war voller beleidigender Sprache gegen seine Gegner.
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.
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.
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.
C2 noun /ˈænʒənuː/

ingenue

unschuldige junge Frau
Meaning
an innocent, naïve young woman, especially as represented in literature or theater
Example
She played the role of the ingénue in the play with great charm.
Sie spielte die Rolle der unschuldigen jungen Frau im Stück mit viel Charme.
C1 adjective /ɪnˈsɒlvənt/

insolvent

zahlungsunfähig
Meaning
unable to pay debts owed
Example
The insolvent firm could not meet its financial obligations.
Das zahlungsunfähige Unternehmen konnte seinen finanziellen Verpflichtungen nicht nachkommen.
C1 noun ˌɪnsjʊˈleɪʃən

insulation

Isolierung
Meaning
Material used to prevent heat, sound, or electricity from being transmitted from one area to another.
Example
Insulation of food storage areas can prevent pests from entering.
Die Isolierung von Lebensmittel-Lagerbereichen kann verhindern, dass Schädlinge eindringen.
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.
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.
C2 noun /ɪnˈfrækʃən/

infraction

Verstoß
Meaning
A violation or breach of a rule, law, or agreement.
Example
The student was punished for a minor infraction of the school rules.
Der Schüler wurde für einen kleinen Verstoß gegen die Schulregeln bestraft.
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.
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.
C1 adjective /ɪnˈflæməˌtɔːri/

inflammatory

Glück
Meaning
causing inflammation in the body; arousing anger, hostility, or strong emotion
Example
His inflammatory speech triggered protests across the city.
Sie konnte ihr Glück nicht verbergen, als sie den Preis erhielt.
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 adjective /ˌaɪsəʊˈθɜːrməl/

isothermal

isotherm
Meaning
Having or maintaining equal or constant temperature.
Example
The experiment was conducted under isothermal conditions.
Das Experiment wurde unter isothermen Bedingungen durchgeführt.
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.
B2 adjective aɪˈkɒnɪk

iconic

ikonisch
Meaning
Very famous or popular, especially being considered to represent particular opinions or a particular time.
Example
The line "It was the best of times..." is iconic.
Der Satz "Es war die beste Zeit..." ist ikonisch.
C1 noun /ɪmˈpɜːrtɪnəns/

impertinence

Unverschämtheit
Meaning
lack of respect; rudeness
Example
The teacher was shocked by the student's impertinence.
Der Lehrer war schockiert über die Unverschämtheit des Schülers.
C2 verb /ɪmˈpjuːt/

impute

zurechnen
Meaning
to attribute a fault or responsibility to someone
Example
They imputed the company's success to good leadership.
Sie imputierten den Erfolg des Unternehmens auf gute Führung.
B1 noun /ɪnˈstrʌkʃənz/

instructions

Anweisungen
Meaning
Detailed information on how something should be done or operated.
Example
Please follow the instructions on the box.
Bitte folgen Sie den Anweisungen auf der Box.
C1 adjective /ɪnˈvæljʊəbl/

invaluable

unbezahlbar
Meaning
Extremely useful or indispensable.
Example
Her advice proved invaluable to my success.
Ihr Rat erwies sich als unbezahlbar für meinen Erfolg.
C2 noun /ˈaɪ.ərn.wʊd/

Ironwood

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

imitate

imitieren
Meaning
to copy the behavior or manner of someone or something
Example
Children often imitate their parents' behavior.
Kinder ahmen oft das Verhalten ihrer Eltern nach.
B2 noun /ɪnˈfek.ʃən/

Infection

Infektion
Meaning
the process of infecting or the state of being infected; a disease caused by germs
Example
The doctor prescribed antibiotics to treat the bacterial infection in her throat.
Der Arzt verschrieb Antibiotika, um die bakterielle Infektion in ihrem Hals zu behandeln.
A1 noun /ˌɪnfərˈmeɪʃən/

information

Information
Meaning
Facts or knowledge provided or learned about something.
Example
The website provides useful information about travel destinations.
Die Website bietet nützliche Informationen über Reiseziele.
C2 adjective /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.
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.
B1 adjective /ɪmˈpruːvd/

improved

verbessert
Meaning
made better or enhanced in quality or condition
Example
Her health has significantly improved since last month.
Ihre Gesundheit hat sich seit letztem Monat erheblich verbessert.
B2 noun /ɪnˈtɜː.prə.tər/

Interpreter

Dolmetscher; Übersetzer;
Meaning
a person who translates orally from one language into another; someone who explains meaning
Example
The international conference hired professional interpreters to translate speeches in real time.
Die internationale Konferenz engagierte professionelle Dolmetscher, um Reden in Echtzeit zu übersetzen.
C2 adjective /ˈɪnfəntaɪl/

infantile

kindlich
Meaning
characteristic of an infant; childish
Example
His infantile behavior embarrassed everyone at the meeting.
Sein kindliches Verhalten peinigte alle in der Besprechung.
C2 adjective /ˌaɪdəˈlɑːtrɪəs/

idolatrious

götzenverehrend
Meaning
Excessively devoted or reverent towards idols or false gods.
Example
The ancient tribe was known for its idolatrious practices.
Der alte Stamm war für seine götzendienstlichen Praktiken bekannt.
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.
A1 preposition/adverb/adjective/noun /ˌɪnˈsaɪd/

inside

Glück
Meaning
Situated within something; the inner part of something.
Example
She waited inside the house until the rain stopped.
Sie konnte ihr Glück nicht verbergen, als sie den Preis erhielt.
C2 verb /aɪˈdɒləˌtraɪz/

idolatrize

verehren
Meaning
To worship idols; to regard with excessive devotion or admiration.
Example
They began to idolatrize the statue as a deity.
Sie begannen, die Statue wie eine Gottheit zu verehren.
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.
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.
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.
C1 noun /ɪnˈfɜːrnoʊ/

inferno

Brand
Meaning
a large, intense fire that is dangerously out of control
Example
The building turned into an inferno within minutes.
Das Gebäude verwandelte sich in ein Inferno innerhalb von Minuten.
C2 adjective /ˌɪnfəˈlɪsɪtəs/

infelicitous

unangemessen
Meaning
not suitable or well chosen; awkward or unfortunate
Example
His infelicitous remark ruined the atmosphere of the meeting.
Seine unangemessene Bemerkung ruinierte die Atmosphäre des Treffens.
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 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.
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.
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.
C2 adjective /ˌɪrɛvəˈrɛnʃəl/

irreverential

irreverent
Meaning
Showing a lack of respect for things that are generally taken seriously.
Example
His irreverential humor often shocked traditional audiences.
Sein irreverenter Humor schockierte oft traditionelle Zuschauer.
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.
C1 noun /ɪmˈpɛdɪmənt/

impediments

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

ineffectual

ineffektiv
Meaning
Not producing any or the desired effect; lacking the ability or qualities to achieve a purpose.
Example
The manager’s ineffectual leadership caused the team to lose motivation.
Die ineffektive Führung des Managers führte dazu, dass das Team die Motivation verlor.
C2 adjective /ˌɪlˈneɪ.tʃəd/

ill-natured

von schlechter Natur
Meaning
Having a bad or unpleasant character; unkind or malicious.
Example
He made an ill-natured remark about his colleague.
Er machte eine Bemerkung von schlechter Natur über seinen Kollegen.
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 adjective /ɪˈlʌstriəs/

illustrious

berühmt
Meaning
Well known, respected, and admired for past achievements.
Example
She had an illustrious career in medicine.
Sie hatte eine berühmte Karriere in der Medizin.
A1 noun /ˈɪntənet/

internet

globales Computernetzwerk
Meaning
A global computer network providing a variety of information and communication facilities.
Example
The internet has revolutionized the way we access information.
Das Internet hat die Art und Weise revolutioniert, wie wir auf Informationen zugreifen.
C1 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.
C1 verb /ɪɡˈnaɪt/

ignite

entzünden
Meaning
To catch fire or cause to catch fire; to start or arouse.
Example
The sparks ignited the dry leaves in seconds.
Die Funken entzündeten die trockenen Blätter in Sekunden.
C1 adjective /ˈɪmpjəd(ə)nt/

impudent

frech, unverschämt
Meaning
not showing due respect for another person; rude
Example
The impudent child talked back to the teacher.
Das freche Kind antwortete dem Lehrer.
B2 adjective ˌɪn.təˈræk.tɪv

interactive

interaktiv
Meaning
Allowing a two-way flow of information between it and a user, responding to the user's input.
Example
Interactive learning keeps students engaged in lessons.
Interaktives Lernen hält die Schüler in den Lektionen engagiert.
B2 adjective /ˈɪmpæktfʊl/

impactful

wirksam
Meaning
Having a major impact or effect; powerful and forceful.
Example
Her impactful speech moved the audience to take action.
Ihre wirksame Rede bewegte das Publikum, Maßnahmen zu ergreifen.
C2 noun /ɪˈmɒdəsti/

immodesty

Unbescheidenheit
Meaning
lack of modesty or decency; behavior or attitude that is overly bold or improper
Example
The article was criticized for its tone of immodesty.
Der Artikel wurde wegen seines Tons der Unbescheidenheit kritisiert.
A2 adjective /ɪnˈtɛlɪdʒənt/

intelligent

intelligent
Meaning
Having or showing high mental capacity, quick to learn and understand.
Example
She is one of the most intelligent students in the class.
Sie ist eine der intelligentesten Schülerinnen in der Klasse.
C2 adjective /ɪnˈkɒnstənt/

inconstant

unbeständig
Meaning
frequently changing; not consistent or dependable
Example
His inconstant moods made it difficult to work with him.
Seine unbeständigen Launen machten es schwierig, mit ihm zu arbeiten.
C1 noun /aɪˈtɪnərɛri/

itinerary

Reiseroute
Meaning
A planned route or schedule of a journey or trip.
Example
The travel agent gave us a detailed itinerary for our vacation.
Der Reiseveranstalter gab uns einen detaillierten Reiseplan für unseren Urlaub.
C2 adverb /ˈɪntʃmiːl/

inchmeal

stückchenweise
Meaning
Gradually, little by little.
Example
The old castle fell inchmeal into ruin.
Das alte Schloss fiel stückchenweise in Ruinen.
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 /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.
B2 adjective /ˌɪnkəmˈpliːt/

incomplete

unvollständig
Meaning
Not finished, lacking some parts or not whole.
Example
Her report was incomplete and needed further details.
Ihr Bericht war unvollständig und brauchte weitere Details.
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.
C1 adjective /ˌɪndɪˈskriːt/

indiscreet

unbedacht
Meaning
Not careful in what one says or does, likely to reveal secrets or offend.
Example
It was indiscreet of him to mention the plan in public.
Es war unbedacht von ihm, den Plan in der Öffentlichkeit zu erwähnen.
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.
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.
C2 adjective /ˈɪkθiɪk/

ichthyic

ichthyisch
Meaning
Relating to or resembling fish.
Example
The artist's painting had an ichthyic quality.
Das Gemälde des Künstlers hatte eine ichthyische Qualität.
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 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 adjective /ˌɪrɪˈdjuːsəbl/

irreducible

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

irresponsibility

Verantwortungslosigkeit
Meaning
lack of responsibility or accountability; failure to act in a reliable or sensible way
Example
The accident was caused by his irresponsibility at work.
Der Unfall wurde durch seine Verantwortungslosigkeit bei der Arbeit verursacht.
C2 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 adjective /ɪmˈpɜːrsənl/

impersonal

unpersönlich
Meaning
not influenced by, showing, or involving personal feelings; lacking human warmth or emotion
Example
The letter was written in a very impersonal style.
Der Brief wurde in einem sehr unpersönlichen Stil geschrieben.
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.
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.
C2 adjective /ɪnˈkoʊ.ɪt/ or /ɪnˈkoʊ.eɪt/

inchoate

unvollständig
Meaning
Just begun and not fully formed; rudimentary.
Example
His inchoate ideas needed more research to be developed.
Seine unvollständigen Ideen benötigten mehr Forschung, um weiterentwickelt zu werden.
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 noun /ˈɪɡ.nər.əns/

Ignorance

Unwissenheit
Meaning
lack of knowledge or information; the state of being uninformed about something
Example
His ignorance about basic computer skills made it difficult for him to find a job.
Seine Unwissenheit über grundlegende Computerkenntnisse erschwerte es ihm, einen Job zu finden.
C1 adjective /ɪˈnuːmərəbəl/

Innumerable

unzählbar; unzählige; unendlich
Meaning
too many to be counted; countless; infinite in number
Example
There are innumerable stars in the night sky that we cannot see with our naked eyes.
Es gibt unzählige Sterne am Nachthimmel, die wir mit bloßem Auge nicht sehen können.
C1 verb /ɪnˈfɛst/

infest

befallen
Meaning
to overrun in large numbers, especially so as to cause damage or discomfort
Example
The old house was infested with rats.
Das alte Haus war von Ratten befallen.
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 /ˌɪntərpəˈzɪʃən/

interposition

Zwischenkunft
Meaning
The act of intervening or coming between two things, often to influence or prevent an outcome.
Example
The manager’s interposition prevented a heated argument from escalating.
Die Zwischenkunft des Managers verhinderte, dass sich ein hitziger Streit zuspitzte.
C1 adjective /ɪnˈɛlɪdʒəbəl/

Ineligible

ineligibel; nicht qualifiziert; ungeeignet
Meaning
not qualified or entitled to participate or be chosen; unsuitable
Example
Students with poor grades are ineligible for the scholarship program.
Studenten mit schlechten Noten sind für das Stipendienprogramm nicht qualifiziert.
C1 adjective /ˌɪndɪˈsaɪsɪv/

Indecisive

unentschlossen
Meaning
unable to make decisions quickly; hesitant; wavering
Example
She was indecisive about which university to attend.
Sie war unentschlossen, welche Universität sie besuchen sollte.
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.
B1 verb /ɪnˈvɛnt/

invent

erfinden
Meaning
to create or design something that has not existed before
Example
Thomas Edison invented the electric bulb.
Thomas Edison erfand die elektrische Glühbirne.
C2 adjective /ˌɪrɪˈdɛsənt/

iridescent

irisierend
Meaning
showing luminous colors that seem to change when seen from different angles
Example
She wore an iridescent dress that sparkled in the light.
Sie trug ein irisierendes Kleid, das im Licht funkelte.