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B2 adjective /ˈɪnfɪnɪt/

infinite

unendlich
Meaning
limitless or endless in space, extent, or number
Example
The universe is often described as infinite.
Das Universum wird oft als unendlich beschrieben.
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.
B2 noun /ɪmˈpeɪʃəns/

impatience

Ungeduld
Meaning
The state of being quickly irritated or unable to wait calmly.
Example
His impatience grew as the meeting dragged on.
Seine Ungeduld wuchs, als sich das Treffen in die Länge zog.
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.
B2 noun /ɪnˈdʒɛkʃən/

injection

Injektion
Meaning
the act of introducing a substance into the body through a needle
Example
The nurse gave me an injection to prevent the infection.
Die Krankenschwester gab mir eine Injektion, um die Infektion zu verhindern.
B2 adjective ˈɪn.tɪ.ɡreɪ.tɪd

integrated

integriert
Meaning
Combining or coordinating separate elements so as to provide a harmonious, interrelated whole.
Example
Integrated systems optimize efficiency.
Integrierte Systeme optimieren die Effizienz.
B2 adjective /ɪnˈfɪə.ri.ər/

inferior

minderwertig
Meaning
Of lower quality, rank, or status.
Example
This material is inferior to the one we used before.
Dieses Material ist minderwertiger als das, das wir vorher verwendet haben.
B2 noun ɪnˈfleɪʃən

inflation

Inflation
Meaning
A general increase in prices and fall in the purchasing value of money.
Example
Inflation erodes the purchasing power of consumers.
Inflation verringert die Kaufkraft der Verbraucher.
B2 adjective /ɪˈmædʒɪnəbl/

imaginable

vorstellbar
Meaning
Capable of being imagined or conceived.
Example
They offered every imaginable type of food at the festival.
Sie boten auf dem Festival jede erdenkliche Art von Essen an.
B2 noun /ɪnˌtɜːrprəˈteɪʃən/

interpretation

Interpretation
Meaning
the action of explaining the meaning of something
Example
The teacher gave her own interpretation of the poem.
Die Lehrerin gab ihre eigene Interpretation des Gedichts.
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.
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 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.
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.
B2 adjective /ˈaɪ.dəl/

Idle

faul; inaktiv; nicht arbeitend
Meaning
lazy; inactive; not working or being used
Example
The factory workers were idle during the strike.
Die Fabrikarbeiter waren während des Streiks inaktiv.
B2 adjective ˈaɪsəˌleɪtɪd

isolated

isoliert
Meaning
Alone or separated from others; having little or no contact with other people.
Example
Technological advancements often leave people isolated.
Technologische Fortschritte führen oft dazu, dass Menschen isoliert werden.
B2 noun /ɪnˈsɪstəns/

insistence

Insistenz
Meaning
the act of demanding something firmly or repeatedly
Example
At his insistence, we stayed longer.
Auf seine Insistenz hin blieben wir länger.
B2 noun /ˈɪmɪɡrənt/

immigrant

Einwanderer
Meaning
a person who comes to live permanently in a foreign country
Example
The city has welcomed many new immigrants this year.
Die Stadt hat in diesem Jahr viele neue Einwanderer willkommen geheißen.
B2 adjective /ɪnˈtɛnsɪv/

intensive

intensiv
Meaning
Involving a lot of effort, energy, or concentration in a short period of time.
Example
She attended an intensive English course before moving abroad.
Sie besuchte einen intensiven Englischkurs, bevor sie ins Ausland zog.
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.
B2 adjective ɪˈmɜː.sɪv

immersive

immersiv
Meaning
Providing, involving, or characterized by deep absorption or immersion in something.
Example
Virtual reality creates an immersive learning environment.
Virtuelle Realität schafft eine immersive Lernumgebung.
B2 verb /ɪnˈkɔːrpəreɪt/

incorporate

inkorporieren
Meaning
to include something as part of a whole; to form a corporation
Example
The new design incorporates advanced technology.
Das neue Design inkorporiert fortschrittliche Technologie.
B2 verb /ˈɪmɪɡreɪt/

immigrate

einwandern
Meaning
to come to live permanently in a foreign country
Example
He immigrated to Canada five years ago.
Er ist vor fünf Jahren nach Kanada eingewandert.
B2 noun /ˌɪnəˈbɪləti/

inability

unfähigkeit
Meaning
the state of being unable to do something
Example
His inability to make decisions affected his career.
Seine Unfähigkeit, Entscheidungen zu treffen, beeinträchtigte seine Karriere.
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.
B2 noun ˌɪn.təˈven.ʃən

intervention

Eingreifen
Meaning
The action or process of intervening; involvement in a situation to improve or help it.
Example
The intervention of the UN was crucial in resolving the conflict.
Das Eingreifen der UNO war entscheidend für die Beilegung des Konflikts.
B2 adjective /ˈɪmɪnənt/

imminent

unmittelbar
Meaning
About to happen; likely to occur very soon.
Example
Dark clouds signaled that a storm was imminent.
Dunkle Wolken signalisierten, dass ein Sturm unmittelbar bevorstand.
B2 adjective /ˌɪd.iˈɒt.ɪk/

Idiotic

idiotisch
Meaning
extremely stupid; foolish; senseless
Example
His idiotic behavior embarrassed everyone at the meeting.
Sein idiotisches Verhalten hat alle bei der Besprechung in Verlegenheit gebracht.
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.
B2 adjective /ɪˈmens/

Immense

immens; riesig; gewaltig
Meaning
extremely large or great; huge
Example
The immense mountain range stretched across the horizon.
Das immense Gebirgsmassiv erstreckte sich über den Horizont.
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 /ɪnˈherɪt/

inherit

erben
Meaning
to receive money, property, or characteristics from someone when they die; to acquire from predecessors
Example
She inherited her grandmother's house.
Sie hat das Haus ihrer Großmutter geerbt.
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.
B2 noun ˌɪn.fləˈmeɪ.ʃən

inflammation

Entzündung
Meaning
A localized physical condition in which part of the body becomes reddened, swollen, hot, and often painful.
Example
Chronic inflammation can lead to severe diseases.
Chronische Entzündung kann zu schweren Krankheiten führen.
B2 adjective /aɪˈdentɪkəl/

Identical

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

imposes

auferlegen
Meaning
To establish or apply by authority; to force something unwelcome or unfamiliar to be accepted or put in place.
Example
Pollution imposes harmful effects on the environment.
Verschmutzung auferlegt schädliche Auswirkungen auf die Umwelt.
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.
B2 adjective /ɪnˈtriːɡɪŋ/

intriguing

sehr interessant und ungewöhnlich; weckt Neugier
Meaning
very interesting and unusual; arousing curiosity
Example
The movie has an intriguing plot that keeps the audience hooked.
Der Film hat eine interessante Handlung, die das Publikum fesselt.
B2 adjective /ˌɪnfluˈenʃəl/

Influential

einflussreich; mächtig
Meaning
having great influence on someone or something; powerful; persuasive
Example
She is an influential leader in the community.
Sie ist eine einflussreiche Führungskraft in der Gemeinschaft.
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.
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.
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.
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.
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.
B2 adjective /ˌɪnstɪˈtjuːʃənl/

institutional

institutionell
Meaning
Relating to an organization or established practice.
Example
The government made several institutional reforms in education.
Die Regierung hat mehrere institutionelle Reformen im Bildungswesen durchgeführt.
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.
B2 verb /ɪmˈpoʊz/

impose

auferlegen
Meaning
to force someone to accept something; to establish or apply by authority
Example
The government imposed new taxes on luxury goods.
Die Regierung hat neue Steuern auf Luxusgüter auferlegt.
B2 noun ˌɪnɪˈkwɒlɪti

inequality

Ungleichheit
Meaning
Difference in size, degree, circumstances, etc.; lack of equality.
Example
The theme of inequality is prominent throughout the story.
Das Thema der Ungleichheit ist throughout in der Geschichte wichtig.
B2 noun /ɪnˈtɛnt/

intent

Absicht
Meaning
the purpose or reason behind an action; a strong determination to do something
Example
Her intent was to improve the quality of education in the community.
Ihre Absicht war es, die Qualität der Bildung in der Gemeinschaft zu verbessern.
B2 adjective /ɪnˈfɔːrmətɪv/

Informative

informativ
Meaning
giving or providing useful information; educational; instructive
Example
The documentary was very informative and educational.
Die Dokumentation war sehr informativ und lehrreich.
B2 noun /ˈɪn.flu.ən.sər/

Influencer

Influencer, Person, die Produkte bewirbt
Meaning
A person with the ability to influence potential buyers of a product or service by promoting or recommending the items on social media.
Example
Social media influencers shape consumer preferences.
Social-Media-Influencer beeinflussen die Vorlieben der Verbraucher.
B2 adjective /ɪmˈprɒp.ər/

Improper

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

innovative tools

innovative Werkzeuge
Meaning
Creative devices or advanced technologies that introduce new methods or approaches to accomplish tasks.
Example
Teachers use innovative tools to enhance classroom learning.
Lehrer verwenden innovative Werkzeuge, um das Lernen im Klassenzimmer zu verbessern.
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.
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 /ˌɪmɪˈɡreɪʃən/

immigration

Einwanderung
Meaning
the action of coming to live permanently in a foreign country
Example
Immigration policies vary from country to country.
Die Immigrationspolitik variiert von Land zu Land.
B2 verb /ɪnˈfɜːr/

infer

schließen
Meaning
to conclude or deduce something from evidence and reasoning rather than from explicit statements
Example
From his silence, I inferred that he was not happy with the decision.
Aus seiner Stille schloss ich, dass er mit der Entscheidung nicht zufrieden war.
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 verb /ɪnˈhæbɪt/

inhabit

bewohnen
Meaning
to live in; to occupy as a dwelling
Example
Many animals inhabit the forest.
Viele Tiere bewohnen den Wald.
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.
B2 noun /ˈɪnstɪŋkt/

instinct

Instinkt
Meaning
A natural way of behaving or reacting that does not require learning.
Example
Birds build nests by instinct.
Vögel bauen ihre Nester aus Instinkt.
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.
B2 adjective /ɪˈmjuːn/

immune

immunisiert
Meaning
protected from disease or from the effects of something
Example
Children who are vaccinated are immune to many diseases.
Kinder, die geimpft sind, sind gegen viele Krankheiten immun.
B2 noun /ˈɪn.vɔɪs/

Invoice

Rechnung
Meaning
a list of goods sent or services provided, with a statement of the sum due for these
Example
The company sent an invoice for the office supplies delivered last week.
Das Unternehmen schickte eine Rechnung für die letzte Woche gelieferten Bürobedarf.
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 noun /ˌɪnsɪˈkjʊərɪti/

insecurity

Unsicherheit
Meaning
lack of confidence or assurance; a state of uncertainty or vulnerability
Example
Her insecurity made her doubt her abilities despite her experience.
Ihre Unsicherheit ließ sie an ihren Fähigkeiten zweifeln.
B2 adjective /ˈɪrɪteɪtɪd/

irritated

gereizt
Meaning
feeling annoyed or impatient; having inflamed or sore physical condition
Example
She felt irritated by the constant noise outside her window.
Sie war durch den ständigen Lärm gereizt.
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.
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.
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.
B2 noun /aɪˈdiː/

id

Ausweis
Meaning
identification; a document or number used to prove who someone is
Example
Please show your ID at the entrance.
Bitte zeigen Sie Ihren Ausweis am Eingang.
B2 adjective /ˌɪnsɪˈkjʊə/

insecure

unsicher
Meaning
not confident or assured; uncertain and anxious
Example
She felt insecure about her performance in the exam.
Sie fühlte sich unsicher über ihre Leistung in der Prüfung.
B2 adjective /ˈaɪsi/

Icy

eisig; extrem kalt; feindlich
Meaning
extremely cold; covered with ice; unfriendly or hostile
Example
The icy wind made everyone shiver.
Der eisige Wind ließ alle zittern.
B2 verb /ɪnˈdjuːs/

induce

induzieren
Meaning
to cause or persuade someone to do something; to bring about a result
Example
The doctor induced sleep with a mild sedative.
Der Arzt induzierte den Schlaf mit einem leichten Beruhigungsmittel.
B2 verb /ɪnˈsʌlt/

insult

beleidigen
Meaning
to speak or act in a way that hurts someone's feelings or shows disrespect
Example
He felt insulted by her rude comments.
Er fühlte sich durch ihre unhöflichen Bemerkungen beleidigt.
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.
B2 noun ɪˈmjuː.nɪ.ti

immunity

immunität
Meaning
The ability of an organism to resist a particular infection or toxin by the action of specific antibodies.
Example
A strong immunity protects against infections.
Eine starke Immunität schützt vor Infektionen.
B2 verb /ˈɪl.ə.streɪt/

illustrate

veranschaulichen
Meaning
to explain or make something clear by using examples, pictures, or comparisons
Example
The teacher used diagrams to illustrate the concept.
Der Lehrer hat Diagramme verwendet, um das Konzept zu veranschaulichen.
B2 noun ɪnˈdʒʌstɪs

injustice

ungerechtigkeit
Meaning
Lack of fairness or justice; the practice of being unjust or unfair.
Example
The story portrays the injustices faced by the common people.
Die Geschichte stellt die Ungerechtigkeiten dar, denen die gewöhnlichen Menschen gegenüberstehen.
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.
B2 verb /ɪnˈheɪl/

inhale

einatmen
Meaning
to breathe in; to draw air into the lungs
Example
Take a deep breath and inhale slowly.
Nehmen Sie einen tiefen Atemzug und atmen Sie langsam ein.
B2 noun /ˌɪnstəˈbɪləti/

instability

Instabilität
Meaning
lack of stability or balance; tendency to change, fail, or collapse easily
Example
Political instability has slowed economic growth in the region.
Politische Instabilität hat das wirtschaftliche Wachstum der Region verlangsamt.
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.
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 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 adjective ˌɪnstrəˈmɛntl

instrumental

instrumentell
Meaning
Serving as a crucial means, agent, or tool; having a part in bringing about a result.
Example
Children can be instrumental in building a better society.
Kinder können bei der Schaffung einer besseren Gesellschaft eine wichtige Rolle spielen.
B2 noun /ɪnˈsaɪdə/

insider

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

implement

umsetzen
Meaning
To put a decision or plan into effect; to execute or apply.
Example
Implementing educational policies is essential for progress.
Es ist entscheidend, Bildungspolitiken umzusetzen, um Fortschritte zu erzielen.
B2 adjective /ɪnˈseɪn/

insane

verrückt
Meaning
mentally ill; extremely foolish or unreasonable
Example
The idea of jumping off the cliff seemed insane.
Die Idee, von der Klippe zu springen, schien verrückt.
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.
B2 adjective /ɪˈmætʃʊr/

Immature

unreif; nicht vollständig entwickelt; kindlich
Meaning
not fully developed; lacking emotional or intellectual development; childish
Example
His immature behavior during the meeting disappointed everyone.
Sein unreifes Verhalten während des Treffens enttäuschte alle.
B2 verb /ɪnˈtriːɡ/

intrigue

intrigieren
Meaning
to arouse curiosity or interest; to make someone fascinated
Example
The mystery novel will intrigue any reader.
Der Mystery-Roman wird jeden Leser faszinieren.
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.
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 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 /ɪmˈper.ə.tɪv/

imperative

imperativ
Meaning
Of vital importance; crucial; giving or expressing a command.
Example
It is imperative to address the climate crisis immediately.
Es ist imperative, die Klimakrise sofort anzugehen.
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 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.
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.
B2 adverb /ˌɪndəˈrɛktli/

indirectly

indirekt
Meaning
in a way that is not direct; through an intermediate means or influence
Example
The policy affected small businesses indirectly.
Die Politik beeinflusste kleine Unternehmen indirekt.
B2 adjective /ɪnˈsɛnsətɪv/

insensitive

gefühllos
Meaning
Showing or feeling no concern for others' feelings.
Example
His insensitive comment hurt her deeply.
Sein gefühlloser Kommentar hat sie tief verletzt.
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.
B2 adjective /ɪmˈplɪsɪt/

implicit

implizit
Meaning
Suggested or understood without being directly stated.
Example
Her trust in him was implicit.
Ihr Vertrauen in ihn war implizit.
B2 verb /ˌɪntərˈviːn/

intervene

eingreifen
Meaning
To come between people, groups, or events, often to prevent conflict or improve a situation.
Example
The teacher had to intervene to stop the fight between the students.
Der Lehrer musste eingreifen, um den Kampf zwischen den Schülern zu stoppen.
B2 adjective /ɪsˈlɑːmɪk/

islamic

islamisch
Meaning
relating to Islam, its followers, or its teachings
Example
The city has many Islamic cultural centers.
Die Stadt hat viele islamische Kulturzentren.
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.
B2 noun ˈɪn.frəˌstrʌk.tʃər

infrastructure

infrastruktur
Meaning
The basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
Example
Digital infrastructure is vital for future advancements.
Digitale Infrastruktur ist entscheidend für zukünftige Fortschritte.
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.
B2 noun ˈɪn.deks

index

Index
Meaning
An alphabetical list of names, subjects, etc. with references to the places where they occur, typically found at the end of a book; a sign or measure of something.
Example
An index organizes critical data.
Ein Index organisiert wichtige Daten.
B2 adjective /ɪmˈpɪəriəl/

imperial

imperial
Meaning
Relating to an empire or emperor; having supreme authority.
Example
The imperial palace was a symbol of the emperor's power.
Der imperial Palast war ein Symbol für die Macht des Kaisers.
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 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.
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.
B2 noun, verb /ˈɪnstɪˌtjuːt/

institute

Institut
Meaning
as a noun, an organization founded for a specific purpose; as a verb, to establish or initiate
Example
The university decided to institute new rules for the library.
Die Universität beschloss, neue Regeln für die Bibliothek einzuführen.