iraqi
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B2 adjective/noun /ɪˈrɑːki/

iraqi

irakisch
Meaning
relating to Iraq or its people
Example
The Iraqi culture is rich and diverse.
Die irakische Kultur ist reich und vielfältig.
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 /ˌɪnflɛksɪˈbɪlɪti/

inflexibility

Unflexibilität
Meaning
the quality of being rigid or unwilling to change; lack of adaptability
Example
The inflexibility of the rules caused unnecessary delays.
Die Unflexibilität der Regeln verursachte unnötige Verzögerungen.
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.
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.
C1 noun /ɪnˈkɒmpɪtəns/

incompetence

Inkompetenz
Meaning
Lack of ability, skill, or effectiveness in doing something.
Example
The project failed due to the manager’s incompetence.
Das Projekt scheiterte aufgrund der Inkompetenz des Managers.
C2 noun /ɪmˈpjuːnɪti/

impunity

Immunität
Meaning
freedom from punishment or harmful consequences for an action
Example
The dictator ruled with impunity, ignoring international laws.
Der Diktator regierte mit Impunität und ignorierte internationale Gesetze.
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 adjective /ˈɪnfəməs/

infamous

berüchtigt
Meaning
well known for some bad quality or deed
Example
The dictator was infamous for his cruelty.
Der Diktator war berüchtigt für seine Grausamkeit.
C1 verb /ɪnˈvælɪdeɪt/

invalidate

ungültig machen
Meaning
To make something not valid or legally acceptable.
Example
The new evidence may invalidate the previous ruling.
Die neuen Beweise könnten das vorherige Urteil ungültig machen.
C2 adjective /ɪmˈprɛɡnəbl̩/

impregnable

uneinnehmbar
Meaning
Unable to be captured, broken into, or defeated.
Example
The fortress was considered impregnable by the enemy.
Die Festung wurde vom Feind als uneinnehmbar angesehen.
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 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 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.
C1 adjective /ˌɪndɪˈvɪzəbl/

indivisible

unteilbar
Meaning
Not able to be divided or separated.
Example
The country's unity was indivisible despite differences.
Die Einheit des Landes war trotz der Unterschiede unteilbar.
C1 noun /ɪnˈdjuːsmənt/

inducement

Anreiz
Meaning
something that persuades or encourages someone to do something
Example
The company offered a bonus as an inducement to employees.
Das Unternehmen bot einen Bonus als Anreiz für die Mitarbeiter an.
A1 pronoun /ɪt/

it

es
Meaning
used to refer to a thing, animal, or idea previously mentioned or easily identified
Example
It is raining outside.
Es regnet draußen.
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 /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 /ˌɪntərˈtʃeɪndʒəbl/

interchangeable

austauschbar
Meaning
able to be exchanged with each other without difference or loss of function
Example
These machine parts are interchangeable, so they can be replaced easily.
Diese Maschinenteile sind austauschbar, so dass sie einfach ersetzt werden können.
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.
C1 adjective /ˌɪməˈtɪəriəl/

immaterial

unwichtig
Meaning
Not important or relevant; lacking physical substance.
Example
The judge ruled that the argument was immaterial to the case.
Der Richter entschied, dass das Argument für den Fall unerheblich war.
C2 noun /ˌɪdiəˈsɪŋkrəsi/

idiosyncrasy

Idiosynkrasie
Meaning
A distinctive or peculiar characteristic, habit, or mannerism unique to an individual.
Example
One of her idiosyncrasies was humming while working.
Eine ihrer Idiosynkrasien war es, beim Arbeiten zu summen.
B1 noun ɪnˈtel.ɪ.dʒəns

intelligence

Intelligenz
Meaning
The ability to learn, understand, and think in a logical way about things
Example
Intelligence is key in AI development.
Intelligenz ist der Schlüssel zur KI-Entwicklung.
B2 noun /ˈaɪ.dəl/

Idol

Idol; bewunderte Person
Meaning
an image or representation of a god used as an object of worship; a person who is greatly admired
Example
The singer became a teenage idol after her hit song topped the charts worldwide.
Die Sängerin wurde nach dem Erscheinen ihres Hit-Songs ein Teenager-Idol, das weltweit die Charts anführte.
C1 adjective /ɪnˈfɜːm/

infirm

schwach
Meaning
Weak, especially due to old age or illness.
Example
The infirm old man needed assistance to walk.
Der schwache alte Mann brauchte Hilfe, um zu gehen.
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.
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.
C1 noun /ɪmˌpɒsəˈbɪlɪti/

impossibility

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

impart

vermitteln
Meaning
to make information known; to bestow or communicate
Example
The teacher imparted valuable knowledge to her students.
Der Lehrer vermittelte wertvolles Wissen an seine Schüler.
C2 noun /ɪnˈfriːkwəns/

infrequence

Seltenheit
Meaning
The state of occurring rarely or at long intervals.
Example
The infrequence of their meetings made it hard to maintain close ties.
Die Seltenheit ihrer Treffen erschwerte es, enge Beziehungen aufrechtzuerhalten.
C1 noun ɪnˈsɛpʃən

inception

Inception
Meaning
The establishment or starting point of an institution or activity.
Example
The inception of the company marked a new era in the industry.
Die Inception des Unternehmens markierte eine neue Ära in der Industrie.
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.
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.
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.
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.
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.
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 /ɪnˈdʒʌŋkʃən/

injunction

Unterlassungsverfügung
Meaning
A judicial order restraining a person from an action or compelling a certain act.
Example
The court issued an injunction to stop the company from polluting the river.
Das Gericht erließ eine Unterlassungsverfügung, um das Unternehmen daran zu hindern, den Fluss zu verschmutzen.
C2 noun /ɪnˈtɛnʃən/

intension

innere Bedeutung
Meaning
The internal content of a concept; the set of attributes implied by a word or phrase.
Example
The intension of the word 'dog' includes being a mammal and domesticated.
Die Intension des Wortes 'Hund' umfasst, ein Säugetier und domestiziert zu sein.
C1 adjective /ɪnˈtrɛpɪd/

intrepid

unerschrocken
Meaning
fearless and adventurous, often used humorously
Example
The intrepid traveler explored the jungle alone.
Der unerschrockene Reisende erkundete den Dschungel alleine.
C1 noun /ɪˈmiːdiəsi/

immediacy

Unmittelbarkeit, Dringlichkeit
Meaning
The quality of bringing one into direct and instant involvement with something, giving rise to a sense of urgency or excitement.
Example
The immediacy of digital communication has reshaped business operations.
Die Unmittelbarkeit der digitalen Kommunikation hat die Geschäftsabläufe verändert.
A1 pronoun /aɪ/

i

ich
Meaning
used by a speaker to refer to himself or herself
Example
I am learning English every day.
Ich lerne jeden Tag Englisch.
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.
C2 noun /ɪnˈtɜːrstɪs/

interstice

Spalt
Meaning
a small space that lies between things
Example
Light filtered through the narrow interstices of the wall.
Das Licht filterte durch die schmalen Spalten der Wand.
C1 adjective /ˌɪnækˈsɛsəbl/

inaccessible

unzugänglich
Meaning
unable to be reached, entered, or understood
Example
The remote village is almost inaccessible during the rainy season.
Das abgelegene Dorf ist während der Regenzeit fast unzugänglich.
C1 noun /ɪnˌtɪmɪˈdeɪʃən/

intimidation

Einschüchterung
Meaning
The action of frightening or threatening someone to make them do something.
Example
The workers reported cases of intimidation by the management.
Die Arbeiter berichteten über Fälle von Einschüchterung durch das Management.
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.
C1 noun ˌɪn.toʊˈneɪ.ʃən

intonation

Intonation
Meaning
The rise and fall of tone in speech and pronunciation.
Example
Proper intonation enhances the clarity of a speech.
Die richtige Intonation verbessert die Klarheit einer Rede.
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.
B1 noun /ɪnˌvɛs.tɪˈɡeɪ.ʃən/

investigation

untersuchung
Meaning
the process of inquiring into or examining something carefully to find the truth
Example
The investigation revealed new evidence about the fraud.
Die Untersuchung enthüllte neue Beweise für den Betrug.
C2 noun /ɪˌledʒ.əˈbɪl.ə.ti/

Illegibility

Unleserlichkeit
Meaning
the quality of being impossible or difficult to read; unclear writing or print
Example
The doctor's handwriting was famous for its illegibility among the pharmacy staff.
Die Handschrift des Arztes war berüchtigt für ihre Unleserlichkeit unter dem Apothekenpersonal.
C2 adjective /ɪnˈsɪpiənt/

incipient

incipient
Meaning
in an initial stage; beginning to develop
Example
The incipient storm made the sky turn dark and heavy.
Der incipiente Sturm ließ den Himmel dunkel und schwer werden.
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.
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.
C2 adjective /ɪnˈæpt/

Inapt

ungeeignet; unpassend
Meaning
not suitable; inappropriate; unfit
Example
His comment was inapt for the formal meeting.
Sein Kommentar war für das formelle Meeting unpassend.
C2 noun /ˈɪnroʊd/

inroad

Fortschritt
Meaning
An advance or significant progress, often at the expense of something else.
Example
The company made significant inroads into the mobile market.
Das Unternehmen hat signifikante Fortschritte im Mobilmarkt gemacht.
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.
C1 adjective /ɪnˈsɛnsəbl/

insensible

bewusstlos
Meaning
Unconscious; unaware of or indifferent to something.
Example
He was insensible to the cold as he lay in the snow.
Er war gegen die Kälte insensibel, als er im Schnee lag.
C1 adjective /ˌɪnədˈvaɪzəbl/

inadvisable

nicht ratsam
Meaning
Not recommended; likely to have undesirable consequences.
Example
It is inadvisable to drive in such heavy rain.
Es ist nicht ratsam, bei solchem starken Regen zu fahren.
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.
B2 adjective /ɪnˈkeɪpəbəl/

incapable

unfähig
Meaning
lacking the ability, skill, or capacity to do something
Example
He is incapable of understanding complex instructions.
Er ist unfähig, komplexe Anweisungen zu verstehen.
C1 adjective /ɪnˈflæməbəl/

Inflammable

entzündlich; brennbar
Meaning
easily set on fire; flammable; combustible
Example
The inflammable material caught fire quickly.
Das entzündliche Material brannte schnell.
C1 verb /aɪˈdiː.ə.laɪz/

idealize

idealisisieren
Meaning
To regard or represent something as perfect or better than it really is.
Example
Children often idealize their parents.
Kinder idealisieren oft ihre Eltern.
C1 noun /ˌɪnkəmˌpætəˈbɪlɪti/

incompatibility

Inkompatibilität
Meaning
the state of being unable to exist or work together harmoniously; lack of compatibility
Example
The project failed because of incompatibility between the two software systems.
Das Projekt scheiterte wegen der Inkompatibilität zwischen den beiden Softwaresystemen.
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 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.
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.
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 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.
C1 adjective /ɪˈrɛpərəbəl/

Irreparable

irreparabel
Meaning
impossible to repair or fix; permanent damage that cannot be undone
Example
The accident caused irreparable damage to his spine.
Der Unfall verursachte irreparable Schäden an seiner Wirbelsäule.
C2 adjective /ɪnˈɛksərəbl/

inexorable

unaufhaltsam
Meaning
Impossible to stop or prevent; relentless.
Example
The inexorable rise of technology is changing every aspect of life.
Der unaufhaltsame Aufstieg der Technologie verändert jeden Aspekt des Lebens.
B2 noun ˌɪmplɪmenˈteɪʃən

implementation

Umsetzung
Meaning
The process of putting a decision or plan into effect; execution.
Example
Proper implementation of policies is crucial.
Die ordnungsgemäße Umsetzung von Richtlinien ist entscheidend.
A2 verb /ˌɪntrəˈduːs/

introduce

vorstellen
Meaning
to present someone; to bring in for the first time
Example
Let me introduce you to my friend.
Lass mich dir meinen Freund vorstellen.
C1 noun ˌɪn.tuˈɪʃ.ən

intuition

Intuition
Meaning
The ability to understand something immediately, without the need for conscious reasoning.
Example
Her intuition told her something was wrong.
Ihre Intuition sagte ihr, dass etwas nicht stimmte.
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.
A2 adjective /ɪl/

Ill

krank; unwohl; in schlechter Gesundheit
Meaning
sick; unwell; in poor health
Example
He felt ill and decided to stay home from work.
Er fühlte sich krank und entschied sich, von der Arbeit zu Hause zu bleiben.
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.
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.
C2 adjective /ɪnˈkoʊətɪv/

inchoative

incipient
Meaning
relating to the beginning of something; in an initial stage
Example
The poet used inchoative expressions to depict the dawn of creation.
Der Dichter benutzte inchoative Ausdrücke, um den Beginn der Schöpfung darzustellen.
C1 adjective ˌɪdiəsɪnˈkrætɪk

idiosyncratic

eigenartig und individuell
Meaning
Relating to idiosyncrasy; peculiar or individual.
Example
His idiosyncratic behavior set him apart from his colleagues.
Sein idiosynkratisches Verhalten unterschied ihn von seinen Kollegen.
C1 noun /ˌɪn.trəˈvɜːr.ʒən/

introversion

Introversion
Meaning
The tendency to be inward-looking and shy, preferring solitary activities.
Example
Her introversion made it difficult for her to enjoy large parties.
Ihre Introversion machte es ihr schwer, große Partys zu genießen.
C2 noun /ɪnˈtræn.sɪ.dʒəns/

intransigence

Unnachgiebigkeit
Meaning
Refusal to change one's views or to agree about something.
Example
The negotiations failed due to the intransigence of both parties.
Die Verhandlungen scheiterten aufgrund der Unnachgiebigkeit beider Parteien.
C2 adjective /ˌɪnɪˈsɛnʃəl/

inessential

unwesentlich
Meaning
not necessary or important; not essential
Example
The report removes all inessential details to stay focused.
Der Bericht entfernt alle unwesentlichen Details, um fokussiert zu bleiben.
C1 adjective ˌɪn.təˈmɪt.ənt

intermittent

intermittierend
Meaning
Happening irregularly, not continuously.
Example
The rain was intermittent throughout the day.
Der Regen war den ganzen Tag über intermittierend.
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.
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.
B1 adjective /ˌɪmpəˈlaɪt/

impolite

unhöflich
Meaning
Not showing good manners; rude.
Example
It is impolite to interrupt someone while they are speaking.
Es ist unhöflich, jemanden zu unterbrechen, während er spricht.
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 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 /ɪnˈtɛmpərəns/

intemperance

Intemperanz
Meaning
Lack of moderation or self-control, especially with drinking or eating.
Example
His intemperance in drinking ruined his health.
Seine Intemperanz beim Trinken ruinierte seine Gesundheit.
C1 adjective /ɪnˈdʒʊəriəs/

injurious

schädlich
Meaning
Causing or likely to cause harm or damage.
Example
Smoking is injurious to health.
Rauchen ist schädlich für die Gesundheit.
C1 noun /ɪnˈfɜːməri/

infirmary

Krankenhaus
Meaning
A hospital or place where the sick or injured are cared for.
Example
The school had an infirmary for minor injuries.
Die Schule hatte ein Krankenhaus für kleinere Verletzungen.
C1 verb /ɪmˈpɛl/

impel

bewegen
Meaning
to drive, force, or urge someone to do something
Example
Her curiosity impelled her to open the mysterious box.
Ihre Neugier trieb sie dazu, die mysteriöse Kiste zu öffnen.
C1 adjective, noun /ˈɪnvəlɪd/ (adjective), /ɪnˈvælɪd/ (noun)

invalid

ungültig
Meaning
Not valid; having no force or effect. Also refers to a person too weak or ill to care for themselves.
Example
The court declared the contract invalid.
Das Gericht erklärte den Vertrag für ungültig.
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 adverb /ˌɪnəzˈmʌtʃ/

inasmuch

insofern
Meaning
To the extent that; considering that.
Example
Inasmuch as you are their teacher, you should guide them carefully.
Insofern du ihr Lehrer bist, solltest du sie sorgfältig anleiten.
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.
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 /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.
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.
A2 adjective, noun /ɪˈtæliən/

italian

Glück
Meaning
relating to Italy, its people, or its language; a person from Italy
Example
She loves Italian food.
Sie konnte ihr Glück nicht verbergen, als sie den Preis erhielt.
A2 noun/verb /ˈɪntrəst/ or /ˈɪntəˌrɛst/

interest

Interesse / Zinsen
Meaning
A feeling of curiosity or concern about something; or money paid for the use of borrowed money.
Example
He showed great interest in learning new languages.
Er zeigte großes Interesse daran, neue Sprachen zu lernen.
C1 adjective /ɪˈnɔːɡjərəl/

Inaugural

eröffnend
Meaning
marking the beginning of something; first; opening
Example
The president delivered his inaugural speech.
Der Präsident hielt seine Eröffnungsrede.
C1 adverb /ˌɪnsɪˈdɛntəli/

incidentally

übrigens
Meaning
by the way; used to introduce a remark not directly related to the main subject
Example
Incidentally, did you know that she studied in Paris?
Übrigens, wusstest du, dass sie in Paris studiert hat?
C1 adjective /ɪmˈpæsɪv/

impassive

passiv
Meaning
Not showing or feeling emotion; expressionless.
Example
Despite the shocking news, she remained impassive.
Trotz der schockierenden Nachrichten blieb sie passiv.
C1 adjective /ɪmˈpjʊər/

Impure

unrein
Meaning
contaminated; not clean; mixed with foreign substances
Example
The impure water caused health problems in the village.
Das unreine Wasser verursachte Gesundheitsprobleme im Dorf.
C1 adjective /ɪnˈtændʒəbl/

intangible

immateriell
Meaning
Unable to be touched or grasped; not having a physical presence.
Example
Trust is an intangible quality in relationships.
Vertrauen ist eine immaterielle Eigenschaft in Beziehungen.
C1 noun ˈɪn.fər.əns

inference

Schlussfolgerung
Meaning
A conclusion reached on the basis of evidence and reasoning; logical deduction.
Example
Scientists make inferences based on experimental data.
Wissenschaftler ziehen Schlussfolgerungen basierend auf experimentellen Daten.
C2 verb /ɪmˈbruː/

imbrue

beflecken
Meaning
To stain, especially with blood.
Example
His hands were imbrued with blood after the battle.
Seine Hände waren nach der Schlacht mit Blut befleckt.
C1 noun /ˌɪnɪkˈspɪəriəns/

inexperience

Unerfahrenheit
Meaning
Lack of knowledge or skill in a particular activity or field.
Example
His inexperience in handling negotiations was evident.
Seine Unerfahrenheit im Umgang mit Verhandlungen war offensichtlich.
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.
C1 adjective /ɪmˈpɜːmiəbl/

impermeable

undurchlässig
Meaning
Not allowing fluid or gas to pass through.
Example
The container is made of impermeable plastic.
Der Behälter besteht aus undurchlässigem Kunststoff.
C1 adjective /ˌɪnsɪˈdɛntəl/

incidental

nebenkosten
Meaning
happening as a minor part or in connection with something else
Example
Incidental expenses like snacks and tips were included in the bill.
Nebenkosten wie Snacks und Trinkgelder wurden in die Rechnung aufgenommen.
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 verb /ɪnˈsteɪt/

instate

einsetzen
Meaning
To set up in position, office, or authority.
Example
The board decided to instate her as the new director.
Der Vorstand entschied, sie als neue Direktorin zu installieren.
C1 noun /ˈɪrɪtənt/

irritant

reizstoff
Meaning
something that causes irritation or discomfort
Example
Dust is a common irritant for people with allergies.
Staub ist ein häufiger Reizstoff für Menschen mit Allergien.
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.
C2 adjective ˌɪn.ɪ.fɪˈkeɪ.ʃəs

inefficacious

ineffektiv
Meaning
Not producing any or the desired effect; ineffective.
Example
The treatment was inefficacious in curing the disease.
Die Behandlung war ineffektiv bei der Heilung der Krankheit.
A2 adverb /ɪnˈdiːd/

indeed

in der Tat
Meaning
used to emphasize or confirm a statement
Example
It was a long journey indeed.
Es war eine lange Reise, in der Tat.
C2 noun /ˈɪd.i.ə.si/

Idiocy

Idiotie
Meaning
extremely stupid behavior or actions; foolishness
Example
The decision to ignore safety protocols was pure idiocy that endangered everyone.
Die Entscheidung, die Sicherheitsprotokolle zu ignorieren, war pure Idiotie, die alle in Gefahr brachte.