Immeasurable
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C1 adjective /ɪˈmeʒərəbəl/

Immeasurable

incommensurable
Meaning
too large or extensive to measure; boundless
Example
The immeasurable love of a mother knows no bounds.
L'amour incommensurable d'une mère ne connaît aucune limite.
B2 adjective /ˌɪnkəmˈpliːt/

incomplete

incomplet
Meaning
Not finished, lacking some parts or not whole.
Example
Her report was incomplete and needed further details.
Son rapport était incomplet et nécessitait des détails supplémentaires.
C2 adjective /ˌaɪsəʊˈθɜːrməl/

isothermal

isotherme
Meaning
Having or maintaining equal or constant temperature.
Example
The experiment was conducted under isothermal conditions.
L'expérience a été réalisée dans des conditions isothermes.
C2 adjective /ɪnˈsɛnʃənt/

insentient

insensible
Meaning
Lacking perception, consciousness, or sensation.
Example
The rock is an insentient object with no awareness.
Le rocher est un objet insensible sans conscience.
B2 noun /ˌɪm.ɪˈteɪ.ʃən/

Imitation

imitation; copie; réplique
Meaning
the action of using someone or something as a model; a copy of something original
Example
His imitation of the famous actor was so good that everyone burst into laughter.
son imitation de l'acteur célèbre était tellement bonne que tout le monde a éclaté de rire.
B1 noun /ɪnˈvɛstər/

investor

investisseur
Meaning
a person or organization that puts money into financial schemes, property, or business ventures with the expectation of achieving a profit
Example
The investor funded the startup with a large sum of money.
L'investisseur a financé la startup avec une grande somme d'argent.
C1 verb /ˈɪnkjʊˌbeɪt/

incubate

incuber
Meaning
to keep eggs, cells, or organisms at the right conditions for development
Example
The hen will incubate the eggs until they hatch.
La poule incubera les œufs jusqu'à ce qu'ils éclosent.
B2 verb /ɪnˈveɪd/

invade

envahir
Meaning
to enter a place or country forcefully, especially as an enemy
Example
The army invaded the neighboring country.
L'armée a envahi le pays voisin.
C2 adjective /ɪˈmɒdɪst/

immodest

prétentieux / indécent
Meaning
lacking humility or decency; excessively proud or improper
Example
His immodest remarks offended the audience.
Ses remarques prétentieuses ont offensé le public.
C1 noun /ˈɪŋ.krə.mənt/

Increment

augmentation
Meaning
an increase or addition, especially one of a series on a fixed scale; a regular increase in salary
Example
He received an annual increment of five percent in his salary this year.
Il a reçu une augmentation annuelle de cinq pour cent de son salaire cette année.
B1 adjective /ɪnˈtɜːrnəl/

internal

interne
Meaning
situated inside; relating to the inside or inner part of something
Example
The company is conducting an internal audit this month.
L'entreprise effectue un audit interne ce mois-ci.
C2 noun /ɪˈnænɪti/

inanity

ineptie, absurdité
Meaning
a nonsensical remark or action; silliness; emptiness
Example
The speech was full of inanities that bored the audience.
Le discours était rempli d'inepties qui ennuyaient le public.
B2 adjective ɪnˈev.ɪ.tə.bəl

inevitable

inévitable
Meaning
Certain to happen; unavoidable.
Example
Death is an inevitable part of life.
La mort est une partie inévitable de la vie.
C2 verb /ˌɪmpɔːrˈtuːn/

importune

demander insistant
Meaning
To ask someone persistently or pressingly for something
Example
The child importuned his mother for a new toy.
L'enfant importunait sa mère pour un nouveau jouet.
C1 noun /ɪnˈsæn.ə.ti/

Insanity

folie; démence
Meaning
the state of being seriously mentally ill; extreme foolishness or irrationality
Example
The defense lawyer argued that his client was not guilty by reason of insanity.
L'avocat de la défense a soutenu que son client n'était pas coupable pour cause de folie.
C1 adjective /ˌɪndɪˈsaɪsɪv/

Indecisive

indécis
Meaning
unable to make decisions quickly; hesitant; wavering
Example
She was indecisive about which university to attend.
Elle était indécise quant à l'université qu'elle allait fréquenter.
B2 noun /ˌɪn.dɪˈkeɪ.ʃən/

Indication

indication; signe
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.
Les nuages sombres étaient une indication claire qu'une tempête approchait de la région.
C2 adjective /ˌɪnɪkˈstrɪkəbl/

inextricable

inextricable
Meaning
Impossible to separate or escape from.
Example
The two friends shared an inextricable bond.
Les deux amis partageaient un lien inextricable.
B1 noun ɪmˈpruːv.mənts

improvements

améliorations
Meaning
The action of making or becoming better; an instance of something becoming or being made better.
Example
Continuous improvements increase productivity.
Les améliorations continues augmentent la productivité.
C1 noun ˈɪn.fər.əns

inference

inférence
Meaning
A conclusion reached on the basis of evidence and reasoning; logical deduction.
Example
Scientists make inferences based on experimental data.
Les scientifiques font des inférences basées sur des données expérimentales.
C2 adjective /ɪmˈpælpəbəl/

impalpable

intangible
Meaning
unable to be felt by touch; difficult to grasp or understand
Example
There was an impalpable sense of fear in the room.
Il y avait une sensation intangible de peur dans la pièce.
C1 adjective /ɪnˈdʒʊəriəs/

injurious

nuisible
Meaning
Causing or likely to cause harm or damage.
Example
Smoking is injurious to health.
Fumer est nuisible à la santé.
C1 noun /ˌɪməˈrælɪti/

immorality

immoralité
Meaning
the quality of being immoral; behavior that violates accepted moral standards
Example
The community condemned the immorality of the corrupt officials.
La communauté a condamné l’immoralité des fonctionnaires corrompus.
C1 adjective /ɪnˈdʌktɪv/

inductive

inductif
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.
Le scientifique a utilisé le raisonnement inductif pour formuler une hypothèse.
B2 noun /ɪnˈkwaɪəri/ or /ˈɪnkwəri/

inquiry

enquête / demande d'information
Meaning
An act of asking for information; an investigation into something.
Example
The committee launched an inquiry into the financial irregularities.
Le comité a lancé une enquête sur les irrégularités financières.
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.
L'inflation érode le pouvoir d'achat des consommateurs.
C2 noun /ˈaɪ.kɒn/

ikon

image religieuse ou symbole
Meaning
A religious image or symbol, especially in the Eastern Orthodox Church.
Example
The church displayed a beautifully painted ikon of the Virgin Mary.
L'église a exposé un ikon magnifiquement peint de la Vierge Marie.
C2 noun /ˈɪnfəmi/

infamy

bonheur
Meaning
the state of being well known for some bad quality or deed
Example
His name will live in infamy for the crimes he committed.
Elle n'a pas pu cacher son bonheur lorsqu'elle a reçu le prix.
C2 noun /ˌɪnkænˈteɪʃən/

incantation

incantation
Meaning
a series of words used as a magic spell or charm
Example
The wizard chanted an incantation to summon the spirits.
Le magicien a récité une incantation pour invoquer les esprits.
C1 noun /ɪˈmɜː.ʃən/

immersion

immersion
Meaning
Complete engagement in an environment or experience.
Example
Immersion in VR games makes users feel like they are inside the virtual world.
L'immersion dans les jeux en réalité virtuelle fait sentir aux utilisateurs qu'ils sont à l'intérieur du monde virtuel.
C2 noun /ɪnˈtɒksɪkənt/

intoxicant

intoxiquant
Meaning
a substance, especially alcohol or a drug, that causes intoxication
Example
Alcohol is the most commonly used intoxicant in many cultures.
L'alcool est l'intoxicant le plus couramment utilisé dans de nombreuses cultures.
C2 noun /ˌɪkθiˈɒlədʒi/

ichthyology

ichtyologie
Meaning
The branch of zoology that deals with fish.
Example
He pursued a degree in ichthyology at the university.
Il a poursuivi un diplôme en ichtyologie à l'université.
C1 adjective /ˌɪndɪˈspjuːtəbəl/

Indisputable

indiscutable; incontestable; certain
Meaning
impossible to deny or argue against; undeniable; certain
Example
The evidence against him was indisputable.
Les preuves contre lui étaient indiscutables.
B2 adjective /ˌɪnfluˈenʃəl/

Influential

influant; puissant
Meaning
having great influence on someone or something; powerful; persuasive
Example
She is an influential leader in the community.
C'est un leader influent dans la communauté.
C2 noun /ˌɪnkənˈɡruːəti/

incongruity

incongruité
Meaning
The state of being inconsistent or out of place.
Example
The incongruity of his cheerful mood during the funeral shocked everyone.
L'incongruité de son humeur joyeuse pendant les funérailles a choqué tout le monde.
C2 adjective /ˌɪndaɪˈdʒestəbəl/

Indigestible

indigeste; difficile à digérer
Meaning
difficult or impossible to digest; hard to process in the stomach
Example
The old bread became hard and indigestible.
Le vieux pain est devenu dur et indigeste.
C1 noun /ɪˈrɛlɪvənsi/

irrelevancy

irrélevance
Meaning
the state of being unrelated or unimportant to the matter at hand
Example
The judge dismissed the argument because of its irrelevancy to the case.
Le juge a rejeté l’argument en raison de son irrélevance pour l’affaire.
B2 adjective ˌɪnstrəˈmɛntl

instrumental

instrumental
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.
Les enfants peuvent être instrumentaux dans la construction d'une société meilleure.
B1 adjective /ɪnˈvɑːlvd/

involved

impliqué
Meaning
complicated or engaged in something
Example
She was deeply involved in community service.
Elle était profondément impliquée dans le service communautaire.
B2 noun /ˈɪntərfeɪs/

interface

interface
Meaning
a point where two systems, subjects, or organizations meet and interact
Example
The user interface is designed to be intuitive and user-friendly.
L'interface utilisateur est conçue pour être intuitive et facile à utiliser.
B2 verb aɪˈdɛntɪfaɪd

identified

identifié
Meaning
To recognize or establish who or what someone or something is.
Example
The root causes of the issue need to be identified.
Les causes profondes du problème doivent être identifiées.
C1 adjective /ˌɪndɪˈskriːt/

indiscreet

imprudent
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.
C'était imprudent de sa part de mentionner le plan en public.
C1 adjective /ˌɪrɪˈvɜːrsəbl/

irreversible

irréversible
Meaning
Not able to be undone, changed, or reversed.
Example
The damage caused by the fire was irreversible.
Les dommages causés par le feu étaient irréversibles.
B2 adjective /ˈɪrɪteɪtɪd/

irritated

irrité
Meaning
feeling annoyed or impatient; having inflamed or sore physical condition
Example
She felt irritated by the constant noise outside her window.
Elle était irritée par le bruit constant à l’extérieur.
B2 adjective ɪnˈdɪdʒɪnəs

indigenous

indigène
Meaning
Originating or occurring naturally in a particular place; native.
Example
Indigenous plants are well adapted to the local environment.
Les plantes indigènes sont bien adaptées à l'environnement local.
B1 noun /ɪnˈʃʊərəns/

insurance

assurance
Meaning
An arrangement by which a company provides compensation for loss, damage, or illness in return for a premium.
Example
He bought health insurance to cover medical expenses.
Il a acheté une assurance santé pour couvrir les frais médicaux.
C2 adjective /ˌaɪdəˈlɑːtrɪəs/

idolatrious

idolâtre
Meaning
Excessively devoted or reverent towards idols or false gods.
Example
The ancient tribe was known for its idolatrious practices.
La tribu ancienne était connue pour ses pratiques idolâtres.
C1 adjective /ɪˈrɛvəkəbl/

irrevocable

irrévocable
Meaning
Not able to be revoked, changed, or undone.
Example
She made an irrevocable decision to leave the company.
Elle a pris une décision irrévocable de quitter l'entreprise.
C2 noun /ɪnˈhɪərəns/

inherence

inhérence
Meaning
The state of being an essential or permanent part of something.
Example
The inherence of risk is part of every business venture.
L'inhérence du risque fait partie de chaque aventure d'entreprise.
C1 adjective /ɪˈmoʊbəl/

immobile

immobile
Meaning
unable to move or be moved
Example
After the accident, he was immobile for weeks.
Après l'accident, il est resté immobile pendant des semaines.
C1 verb /ɪmˈpiːtʃ/

impeach

destituer
Meaning
To charge a public official with misconduct while in office.
Example
The parliament voted to impeach the president.
Le parlement a voté pour destituer le président.
B2 adjective ˌɪn.təˈræk.tɪv

interactive

interactif
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.
L'apprentissage interactif maintient les étudiants engagés dans les leçons.
C1 verb /ɪnˈtɒksɪkeɪt/

intoxicate

bonheur
Meaning
to make someone lose control of their faculties or behavior due to alcohol or drugs
Example
The strong drink quickly intoxicated him.
Elle n'a pas pu cacher son bonheur lorsqu'elle a reçu le prix.
B1 noun ˈɪmpækt

impact

impact
Meaning
A strong effect or influence; the action of one object coming forcibly into contact with another.
Example
The decision had great impact.
La décision a eu un grand impact.
A2 pronoun /ɪtˈsɛlf/

itself

lui-même
Meaning
Used to emphasize the thing just mentioned; by its own power or effort.
Example
The cat cleaned itself after eating.
Le chat s'est nettoyé lui-même après avoir mangé.
B2 adjective /ɪnˈtækt/

intact

intacte
Meaning
Remaining whole, complete, and undamaged.
Example
Despite the storm, the old house remained intact.
Malgré la tempête, la vieille maison est restée intacte.
C1 adjective /ɪˈmjuː.tə.bəl/

immutable

inaltérable
Meaning
Unchangeable, permanent, or fixed
Example
The laws of physics are considered immutable.
Les lois de la physique sont considérées inaltérables.
A1 noun /aɪˈdiː.ə/

Idea

idée; concept; suggestion
Meaning
a thought or suggestion as to a possible course of action; a concept or mental impression
Example
She had a brilliant idea for solving the company's efficiency problem.
Elle avait une idée brillante pour résoudre le problème d'efficacité de l'entreprise.
C1 adjective /ɪnˈstrʌktɪv/

instructive

instructif
Meaning
useful and informative; providing knowledge or instruction
Example
The lecture was highly instructive and engaging.
La conférence était très instructive et captivante.
C1 adjective /ˈɪmpjəd(ə)nt/

impudent

imprudent, insolent
Meaning
not showing due respect for another person; rude
Example
The impudent child talked back to the teacher.
L'enfant impudent a répondu au professeur.
C2 noun /ˈɪn.fɪ.del/

Infidel

infidèle
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.
Dans des contextes historiques, les croisés se référaient souvent à leurs ennemis comme des infidèles.
C2 verb /ɪnˈhjuːm/

inhume

inhumer
Meaning
to bury a dead body in the ground
Example
They inhumed the warrior with full honors.
Ils ont inhumé le guerrier avec tous les honneurs.
C1 adjective /ɪˈneɪn/

inane

insensé, stupide
Meaning
lacking sense, meaning, or significance; silly or pointless
Example
The movie was criticized for its inane dialogue.
Le film a été critiqué pour ses dialogues insensés.
C1 verb /ɪnˈkrɪmɪˌneɪt/

incriminate

incriminer
Meaning
to make someone appear guilty of a crime or wrongdoing
Example
The new evidence could incriminate the suspect in the robbery case.
La nouvelle preuve pourrait incriminer le suspect dans l'affaire de vol.
B2 verb /ˈɪmɪteɪt/

imitate

imiter
Meaning
to copy the behavior or manner of someone or something
Example
Children often imitate their parents' behavior.
Les enfants imitent souvent le comportement de leurs parents.
B2 noun /ɪnˈkluːʒən/

inclusion

inclusion
Meaning
the action or state of including or being included within a group or structure
Example
Diversity and inclusion are key values in modern workplaces.
La diversité et l'inclusion sont des valeurs clés dans les lieux de travail modernes.
C1 noun /ɪnˈækjʊrəsi/

inaccuracy

inexactitude
Meaning
lack of accuracy or precision; an incorrect or wrong detail
Example
The report contained several factual inaccuracies.
Le rapport contenait plusieurs inexactitudes.
B2 adjective /ˌɪntəˈpɜːsənl/

interpersonal

interpersonnel
Meaning
Relating to relationships or communication between people.
Example
He has excellent interpersonal skills and gets along well with others.
Il a d'excellentes compétences interpersonnelles et s'entend bien avec les autres.
C2 adjective /ˈɪnmoʊst/

inmost

le plus intime
Meaning
Situated at the very heart or deepest part; most private or secret.
Example
She revealed her inmost thoughts to her closest friend.
Elle a révélé ses pensées les plus intimes à son ami le plus proche.
B2 adjective /ˌɪnsɪɡˈnɪfɪkənt/

insignificant

insignifiant
Meaning
Too small or unimportant to be worth considering.
Example
The cost was so insignificant that nobody noticed it.
Le coût était tellement insignifiant que personne ne l'a remarqué.
C1 adjective /ɪnˈflæməˌtɔːri/

inflammatory

bonheur
Meaning
causing inflammation in the body; arousing anger, hostility, or strong emotion
Example
His inflammatory speech triggered protests across the city.
Elle ne pouvait pas cacher son bonheur lorsqu'elle a reçu le prix.
C2 adjective /aɪˈsɒ.krə.nəs/

isochronous

se produisant à intervalles de temps égaux
Meaning
Occurring at equal time intervals; in unison or synchrony.
Example
The pendulum swings are isochronous, repeating at equal intervals.
Les balancements du pendule sont isochrones, se répétant à intervalles égaux.
C1 noun /ˌɪnɪkˈspɪəriəns/

inexperience

inexpérience
Meaning
Lack of knowledge or skill in a particular activity or field.
Example
His inexperience in handling negotiations was evident.
Son inexpérience dans la gestion des négociations était évidente.
C2 adjective /ɪˈnɪmɪkəl/

inimical

hostile / défavorable
Meaning
tending to obstruct or harm; unfriendly or hostile
Example
The policy was inimical to the country's economic growth.
La politique était défavorable à la croissance économique du pays.
C2 adjective /ɪnˈtɛmpərət/

intemperate

intempérant
Meaning
Lacking self-control; immoderate, especially in indulgence.
Example
The politician's intemperate remarks caused controversy.
Les remarques intempérantes du politicien ont causé la controverse.
A1 adjective /ɪmˈpɔː.tənt/

important

important
Meaning
Of great significance or value; likely to have a profound effect on success, survival, or well-being.
Example
Important steps must be taken to address pollution.
Des mesures importantes doivent être prises pour résoudre la pollution.
C1 noun ˌɪnsjʊˈleɪʃən

insulation

isolation
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.
L'isolation des zones de stockage des aliments peut empêcher les nuisibles d'entrer.
B2 noun /ɪnˈvɛstɪˌɡeɪtər/

investigator

bonheur
Meaning
a person who carries out a formal inquiry or investigation
Example
The investigator gathered evidence from the crime scene.
Elle n'a pas pu cacher son bonheur lorsqu'elle a reçu le prix.
A2 noun /ˈɪn.sekt/

Insect

insecte
Meaning
a small invertebrate animal with six legs and usually one or two pairs of wings
Example
The butterfly is a beautiful insect that flies from flower to flower.
Le papillon est un bel insecte qui vole de fleur en fleur.
C1 noun ɪnˌɛv.ɪ.təˈbɪl.ɪ.ti

inevitability

inévitabilité
Meaning
The quality of being certain to happen and impossible to avoid or prevent.
Example
The inevitability of change is a part of life.
L'inévitabilité du changement fait partie de la vie.
C2 adjective /ɪˈrædɪkəbəl/

irradicable

irradicable
Meaning
not able to be eradicated; impossible to destroy or remove completely
Example
The love of a mother for her child is irradicable.
L'amour d'une mère pour son enfant est irradicable.
C1 noun /aɪˈtɪnərɛri/

itinerary

itinéraire
Meaning
A planned route or schedule of a journey or trip.
Example
The travel agent gave us a detailed itinerary for our vacation.
L'agent de voyages nous a donné un itinéraire détaillé pour nos vacances.
B2 noun ɪnˈtɛɡrɪti

integrity

intégrité
Meaning
The quality of being honest and having strong moral principles; moral uprightness.
Example
Teachers' integrity fosters a positive learning environment.
L'intégrité des enseignants favorise un environnement d'apprentissage positif.
C1 adjective /ˌɪnəˈtɛntɪv/

inattentive

inattentif
Meaning
not paying attention; lacking focus or concentration
Example
The inattentive student missed several important instructions.
L'étudiant inattentif a manqué plusieurs consignes importantes.
C1 noun /ˌɪrɪˌspɒnsəˈbɪləti/

irresponsibility

irresponsabilité
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.
L'accident a été causé par son irresponsabilité au travail.
C1 noun /ˌɪnækˈtɪvɪti/

inactivity

inactivité
Meaning
the state of not being active physically or mentally; lack of action
Example
Prolonged inactivity can negatively affect both physical and mental health.
Une inactivité prolongée peut nuire à la santé physique et mentale.
C1 adjective /ɪmˈpoʊzɪŋ/

imposing

imposant
Meaning
having an appearance that is grand, impressive, or commanding
Example
The castle is an imposing structure overlooking the valley.
Le château est une structure imposante qui surplombe la vallée.
B2 adjective /ɪmˈpɪəriəl/

imperial

impérial
Meaning
Relating to an empire or emperor; having supreme authority.
Example
The imperial palace was a symbol of the emperor's power.
Le palais impérial était un symbole du pouvoir de l'empereur.
C2 conjunction /ˌɪnəzˈmʌtʃ æz/

inasmuch-as

puisque
Meaning
Because; since.
Example
He cannot attend, inasmuch as he is unwell.
Il ne peut pas assister, puisque qu'il est malade.
C1 adjective ɪnˈsaɪ.sɪv

incisive

incisif
Meaning
Intelligently analytical and clear-thinking; showing clear thought and good understanding of what is important.
Example
His incisive comments revealed the core issues.
Ses commentaires incisifs ont révélé les problèmes clés.
C1 adjective /ɪnˈvɑːlənˌtɛri/

involuntary

involontaire
Meaning
done without will or conscious control
Example
He gave an involuntary shiver when he heard the loud noise.
Il a eu un frisson involontaire lorsqu'il a entendu le bruit fort.
B2 noun ˌɪn.əˈveɪ.ʃən

innovation

innovation
Meaning
The action or process of innovating; a new method, idea, product, etc.
Example
Innovation drives solutions to global challenges.
L'innovation conduit à des solutions aux défis mondiaux.
B1 verb /ˈɪndɪkeɪt/

indicate

indiquer
Meaning
to point out; to show or suggest; to be a sign of
Example
The red light indicates that you should stop.
Le feu rouge indique que vous devez vous arrêter.
C2 verb /ˌɪntərˈmɪt/

intermit

interrompre
Meaning
To suspend or stop for a time; to pause intermittently.
Example
The rain would intermit and then start again.
La pluie s'interromprait puis recommencerait.
C1 verb /ɪnˈkɜːr/

incur

encourir
Meaning
To bring upon oneself something undesirable, usually as a result of actions.
Example
He incurred a fine for parking in the wrong place.
Il a encouru une amende pour avoir garé sa voiture au mauvais endroit.
C1 noun /ɪnˈtruː.ʒən/

intrusion

intrusion non autorisée
Meaning
Unauthorized entry into a system or place without permission
Example
The company detected an intrusion in its server.
L'entreprise a détecté une intrusion dans son serveur.
C1 adverb /ˌɪn.dɪˈskrɪm.ɪ.nət.li/

Indiscriminately

indiscriminément
Meaning
without making careful distinctions; randomly; without discrimination
Example
The company fired employees indiscriminately without considering their performance.
L'entreprise a licencié les employés indifféremment sans prendre en compte leur performance.
A1 noun /ˈɪntənet/

internet

réseau mondial d'ordinateurs
Meaning
A global computer network providing a variety of information and communication facilities.
Example
The internet has revolutionized the way we access information.
Internet a révolutionné la façon dont nous accédons à l'information.
C1 verb /ɪnˈfjʊərieɪt/

infuriate

mettre en colère
Meaning
To make someone extremely angry.
Example
His careless remarks infuriated the entire team.
Ses remarques imprudentes ont mis en colère toute l'équipe.
C2 noun /ɪmˈprɑːvɪdəns/

improvidence

imprévoyance
Meaning
Lack of foresight or care for future needs.
Example
His improvidence led to financial difficulties.
Son imprévoyance l'a conduit à des difficultés financières.
C1 adjective ɪmˈpɛkəbl

impeccable

impeccable
Meaning
In accordance with the highest standards; faultless.
Example
His impeccable taste in fashion was admired by all his peers.
Son goût impeccable en mode était admiré par tous ses pairs.
C2 adjective /ɪnˈkoʊ.ɪt/ or /ɪnˈkoʊ.eɪt/

inchoate

incomplet
Meaning
Just begun and not fully formed; rudimentary.
Example
His inchoate ideas needed more research to be developed.
Ses idées incomplètes avaient besoin de plus de recherches pour être développées.
B1 adverb /ˈɪnstəntli/

instantly

instantanément
Meaning
immediately, without any delay
Example
He replied instantly to the message.
Il a répondu instantanément au message.
C1 noun /ˈɪmɪdʒəri/

imagery

imagerie
Meaning
visually descriptive or figurative language, especially in a literary work
Example
The poet's use of imagery brought the scene to life.
L'utilisation de l'imagerie par le poète a donné vie à la scène.
B2 noun /ɪnˈfek.ʃən/

Infection

infection
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.
Le médecin a prescrit des antibiotiques pour traiter l'infection bactérienne dans sa gorge.
B2 noun, verb /ˌɪnkənˈviːniəns/

inconvenience

désagrément
Meaning
trouble or difficulty caused to someone; to cause trouble or difficulty to someone
Example
We apologize for any inconvenience caused by the delay.
Nous nous excusons pour tout désagrément causé par le retard.
C2 noun /ˌɪnvəˈlɪdɪti/

invalidity

invalidité
Meaning
the state of being invalid, legally void, or lacking force or validity
Example
The court ruled that the contract suffered from invalidity.
Le tribunal a jugé que le contrat souffrait d’invalidité.
B2 noun /ˈɪm.pʌls/

Impulse

impulsion; désir soudain
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.
Elle a acheté la robe chère sur un coup de tête et a ensuite regretté l'achat.
C2 adjective /ˌɪnkoʊˈɜːrsəbl̩/

incoercible

incoercible
Meaning
Not capable of being forced, compelled, or restrained.
Example
Her incoercible spirit inspired others to fight for justice.
Son esprit incoercible a inspiré les autres à lutter pour la justice.
C1 adverb /ˌɪn.ədˈvɜːr.tənt.li/

Inadvertently

involontairement; par erreur
Meaning
without being aware of what you are doing; unintentionally; by mistake
Example
She inadvertently deleted the important file while cleaning her computer.
Elle a accidentellement supprimé le fichier important en nettoyant son ordinateur.
C2 adjective /ˌɪmpəˈmɪsəbl/

impermissible

interdit
Meaning
Not permitted or allowed.
Example
Such behavior is impermissible in the workplace.
Un tel comportement est interdit sur le lieu de travail.
B2 noun ˌɪn.fləˈmeɪ.ʃən

inflammation

inflammation
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.
L'inflammation chronique peut entraîner des maladies graves.
C1 adjective /ɪmˈpɜːmiəbl/

impermeable

imperméable
Meaning
Not allowing fluid or gas to pass through.
Example
The container is made of impermeable plastic.
Le conteneur est fabriqué en plastique imperméable.
C2 noun /ɪnˈɡrætɪˌtjuːd/

ingratitude

ingratitude
Meaning
Lack of gratitude; failure to show thanks or appreciation.
Example
His ingratitude hurt her feelings after all she had done for him.
Son ingratitude lui a fait mal après tout ce qu'elle avait fait pour lui.
C2 adjective /ˈɪm.pi.əs/

Impious

impie; blasphématoire
Meaning
irreligious; lacking reverence for religion; blasphemous
Example
The impious act shocked the religious community.
L'acte impie a choqué la communauté religieuse.
C1 adjective /ɪnˈdiːsənt/

indecent

indécent
Meaning
not conforming to accepted standards of behavior or morality; improper or offensive
Example
He was warned for making an indecent remark during the meeting.
Il a été averti pour une remarque indécente.
B2 noun /ˌɪntərˈfɪərəns/

interference

interférence
Meaning
the action of interfering with something
Example
The radio signal was disrupted due to interference from nearby electronics.
Le signal radio a été perturbé en raison de l'interférence des appareils électroniques à proximité.
C1 adjective /ɪnˈɡreɪnd/

ingrained

enraciné
Meaning
Firmly fixed or established; deeply rooted and difficult to change.
Example
His ingrained habits were hard to break.
Ses habitudes enracinées étaient difficiles à briser.
C1 adverb /ɪnˈvɜːrs.li/

Inversely

inversement; de manière opposée
Meaning
in a way that is opposite or contrary; in reverse order or manner
Example
The price of goods is inversely related to their availability in the market.
Le prix des biens est inversement lié à leur disponibilité sur le marché.
C1 noun /ˌɪm.pəˈzɪʃ.ən/

Imposition

imposition; charge; demande injuste
Meaning
the action or process of imposing something or of being imposed; an unfair burden or demand
Example
The imposition of new taxes without consultation angered the citizens greatly.
L'imposition de nouvelles taxes sans consultation a profondément enragé les citoyens.
A2 noun/verb /ˈaɪən/ or /ˈaɪərn/

iron

fer / repassage
Meaning
a strong, hard metal used in construction; also to press clothes with heat
Example
He used an iron to smooth his shirt.
Il a utilisé un fer à repasser pour lisser sa chemise.