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C2 adjective /ˌɪndɪˈsɜːrnəbl/

indiscernible

indiscernable
Meaning
Impossible or difficult to see, notice, or distinguish.
Example
The difference between the two shades was almost indiscernible.
La différence entre les deux teintes était presque indiscernable.
C1 verb /ɪˈmɔːrtəlaɪz/

immortalize

immortaliser
Meaning
to preserve the memory of someone or something forever
Example
The statue was built to immortalize the hero’s sacrifice.
La statue a été construite pour immortaliser le sacrifice du héros.
C2 noun /ɪnˈtræn.sɪ.dʒəns/

intransigence

intransigeance
Meaning
Refusal to change one's views or to agree about something.
Example
The negotiations failed due to the intransigence of both parties.
Les négociations ont échoué en raison de l'intransigeance des deux parties.
B2 noun ˌɪn.tɪˈɡreɪ.ʃən

integration

Intégration. Unification.
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.
L'intégration des réseaux améliorera la communication mondiale.
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.
L'inception de l'entreprise a marqué une nouvelle ère dans l'industrie.
C2 adjective /ɪmˈpruːdənt/

imprudent

imprudent
Meaning
Not showing care for the consequences of an action.
Example
It was imprudent to drive in such stormy weather.
C'était imprudent de conduire par un temps aussi orageux.
C1 adjective ˌɪn.krəˈmen.təl

incremental

incrémental
Meaning
Relating to or denoting an increase or addition, especially one of a series on a fixed scale; proceeding in small stages.
Example
Incremental changes ensure sustainability.
Les changements incrémentaux assurent la durabilité.
C1 noun /ˌɪndɪɡˈneɪʃən/

indignation

indignation
Meaning
Strong displeasure or anger caused by something unjust, offensive, or insulting.
Example
Public indignation grew after the unfair verdict.
L'indignation publique a grandi après le verdict injuste.
C1 noun ɪnˈdʌldʒəns

indulgence

indulgence
Meaning
The practice of allowing oneself to enjoy the pleasure of something.
Example
His indulgence in junk food affected his health.
Son indulgence pour la malbouffe a nui à sa sante.
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.
B2 verb /ˌɪntərˈviːn/

intervene

intervenir
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.
L'enseignant a dû intervenir pour arrêter la bagarre entre les élèves.
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.
B2 adjective /ɪnˈfɔːrmətɪv/

Informative

informatif
Meaning
giving or providing useful information; educational; instructive
Example
The documentary was very informative and educational.
Le documentaire était très informatif et éducatif.
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.
C1 noun /ˌɪntərˈmiːdiˌɛri/

intermediary

intermédiaire
Meaning
A person who acts as a link between people in order to try to bring about an agreement; a mediator.
Example
The diplomat served as an intermediary between the two conflicting nations.
Le diplomate a agi comme intermédiaire entre les deux nations en conflit.
C1 verb /ˈɪrɪˌɡeɪt/

irrigate

arroser
Meaning
to supply water to land or crops; to wash out a wound with water
Example
Farmers irrigate their fields during dry seasons.
Les agriculteurs irriguent leurs champs pendant les saisons sèches.
C1 verb /ɪnˈvoʊk/

invoke

invoquer
Meaning
to call upon a higher power, authority, or principle for help, support, or justification
Example
The lawyer invoked the constitution to defend his client.
L'avocat a invoqué la constitution pour défendre son client.
C2 adjective /ˌɪnfɪnɪˈtɛsɪməl/

infinitesimal

infinitésimal
Meaning
Extremely small in size or amount; so tiny as to be almost negligible.
Example
The error was so infinitesimal that it didn’t affect the results.
L'erreur était si infinitésimale qu'elle n'a pas affecté les résultats.
C2 adjective /ˈɪndələnt/

indolent

paresseux
Meaning
Wanting to avoid activity or exertion; lazy.
Example
The indolent cat slept in the sun all afternoon.
Le chat paresseux a dormi au soleil toute l'après-midi.
C2 noun /ɪˌledʒ.əˈbɪl.ə.ti/

Illegibility

illégibilité
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.
L'écriture du médecin était célèbre pour son illisibilité parmi le personnel de la pharmacie.
B2 verb /ɪnˈkwaɪər/

inquire

demander
Meaning
to ask; to investigate
Example
She inquired about the job opening.
Elle a demandé des informations sur l'offre d'emploi.
B2 verb /ɪnˈfɛkt/

infect

infecter
Meaning
To contaminate with a disease-causing organism.
Example
The virus can infect healthy people quickly.
Le virus peut infecter rapidement les personnes en bonne santé.
C2 noun /ɪmˌprɒb.əˈbɪl.ə.ti/

Improbability

improbabilité
Meaning
the quality or state of being improbable; unlikely to be true or to happen
Example
The improbability of winning the lottery twice didn't stop her from buying tickets.
L'improbabilité de gagner à la loterie deux fois ne l'a pas empêchée d'acheter des billets.
A2 verb /ɪnˈkri:s/

increase

augmenter
Meaning
to become or make something larger in amount, number, or degree
Example
The company plans to increase its production this year.
L'entreprise prévoit d'augmenter sa production cette année.
B2 adjective /ˈaɪsi/

Icy

gelé; extrêmement froid; hostile
Meaning
extremely cold; covered with ice; unfriendly or hostile
Example
The icy wind made everyone shiver.
Le vent glacé a fait trembler tout le monde.
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.
Le magicien a créé une illusion spectaculaire qui a fait apparaître l'éléphant disparaître.
B2 adjective /ˌɪn.trəˈdʌk.tər.i/

introductory

introductif
Meaning
Serving as an introduction; preliminary or preparatory.
Example
The professor gave an introductory lecture on economics.
Le professeur a donné une conférence introductive sur l'économie.
C2 noun /ɪnˈsɪɡniə/

insignia

insigne
Meaning
A badge or symbol that shows rank, position, or membership.
Example
The soldier proudly wore the insignia of his regiment.
Le soldat portait fièrement l'insigne de son régiment.
B2 noun ɪˈlɪtərəsi

illiteracy

illettrisme
Meaning
The inability to read and write; lack of education or knowledge in a particular area.
Example
Illiteracy often leads to poverty and unemployment.
L'illettrisme conduit souvent à la pauvreté et au chômage.
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.
Il a agi comme un idiot à la fête hier soir.
B2 verb /ˈɪl.ə.streɪt/

illustrate

illustrer
Meaning
to explain or make something clear by using examples, pictures, or comparisons
Example
The teacher used diagrams to illustrate the concept.
Le professeur a utilisé des diagrammes pour illustrer le concept.
C2 noun /ɪmˈpɒs.tʃər/

Imposture

imposture; fraude; tromperie
Meaning
the practice of deceiving others by pretending to be someone else; fraudulent deception
Example
The elaborate imposture lasted for months before investigators uncovered the truth.
L'imposture élaborée a duré des mois avant que les enquêteurs ne découvrent la vérité.
A2 verb /ɪnˈvaɪt/

invite

inviter
Meaning
to ask someone to come to an event or to do something
Example
We should invite all our friends to the party.
Nous devrions inviter tous nos amis à la fête.
B1 adjective /ˌɪnɪkˈspɛnsɪv/

Inexpensive

bon marché; abordable; économique
Meaning
not costing a lot of money; affordable; budget-friendly
Example
This restaurant offers delicious and inexpensive meals for students.
Ce restaurant propose des repas délicieux et bon marché pour les étudiants.
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.
B2 verb /ɪnˈtriːɡ/

intrigue

intriguer
Meaning
to arouse curiosity or interest; to make someone fascinated
Example
The mystery novel will intrigue any reader.
Le roman mystère intriguerait n'importe quel lecteur.
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.
L'initiative de la NASA pour ramener des humains sur la Lune est ambitieuse.
C1 adjective /ɪnˈstɪŋk.tɪv/

instinctive

instinctif, naturel, automatique
Meaning
Based on instinct; done without conscious thought; natural and automatic.
Example
His instinctive reaction saved his life.
Sa réaction instinctive lui a sauvé la vie.
C2 adjective /ɪnˈkɑːdʒɪtənt/

incogitant

irréfléchi
Meaning
Lacking thought; inconsiderate or thoughtless.
Example
It was incogitant of him to make such a rude comment.
C'était incogitant de sa part de faire un commentaire aussi grossier.
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 noun /ɪmˈpɜː.mə.nəns/

impermanence

impermanence
Meaning
The state or fact of lasting for only a limited period of time.
Example
The philosophy of Buddhism emphasizes the impermanence of life.
La philosophie bouddhiste met l'accent sur l'impermanence de la vie.
C2 noun /ˌɪnsjəˈlærəti/

insularity

insularité
Meaning
The state of being isolated or narrow-minded.
Example
The insularity of the group prevented them from accepting new ideas.
L'insularité du groupe l'a empêché d'accepter de nouvelles idées.
B2 noun /ɪnˈtɜː.prə.tər/

Interpreter

interprète; traducteur;
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.
La conférence internationale a embauché des interprètes professionnels pour traduire les discours en temps réel.
C1 noun /ˌaɪ.diˈɒl.ə.dʒi/

ideology

idéologie
Meaning
A system of ideas and ideals, especially one that forms the basis of economic or political theory and policy.
Example
Democracy is based on the ideology of freedom and equality.
La démocratie repose sur l'idéologie de la liberté et de l'égalité.
C2 noun /ˈɪntərˌloʊpər/

interloper

intrus
Meaning
A person who becomes involved in a situation or place where they are not wanted.
Example
He felt like an interloper at the private family gathering.
Il se sentait comme un intrus lors de la réunion familiale privée.
B2 adjective /ɪnˈvɪz.ə.bəl/

Invisible

invisible
Meaning
unable to be seen; not visible to the eye
Example
The bacteria are invisible without a microscope.
Les bactéries sont invisibles sans un microscope.
C1 verb /ɪnˈtɪmɪdeɪt/

intimidate

intimider
Meaning
To frighten or overawe someone, especially to make them do what one wants.
Example
The bully tried to intimidate the smaller kids.
Le harceleur a essayé d'intimider les enfants plus jeunes.
C2 adjective /ɪnˈsuːpərəbl/

insuperable

insurmontable
Meaning
Impossible to overcome or surpass.
Example
The team faced insuperable challenges during the expedition.
L'équipe a fait face à des défis insurmontables lors de l'expédition.
C1 noun /ɪnˈdʒʌŋkʃən/

injunction

injonction
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.
Le tribunal a émis une injonction pour empêcher l'entreprise de polluer la rivière.
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.
C2 noun /ɪˈreɪdiəns/

irradiance

irradiance
Meaning
the quality of shining brightly; the intensity of light falling on a surface
Example
The irradiance of the sun at noon was overwhelming.
L'irradiance du soleil à midi était accablante.
C2 noun /ˌɪməʊˈbɪləti/

immobility

immobilité
Meaning
The state of being unable to move.
Example
After the accident, she suffered from immobility in her legs.
Après l'accident, elle a souffert d'immobilité dans ses jambes.
B2 adjective /ˈɪmpæktfʊl/

impactful

impactant
Meaning
Having a major impact or effect; powerful and forceful.
Example
Her impactful speech moved the audience to take action.
Son discours impactant a poussé l'auditoire à passer à l'action.
C1 verb ɪˈnɔː.ɡjə.reɪ.tɪd

inaugurated

inauguré
Meaning
Begin or introduce (a system, policy, or period) formally.
Example
The organization was inaugurated officially.
L'organisation a été inaugurée officiellement.
C2 adverb /ˈɪntʃmiːl/

inchmeal

petit à petit
Meaning
Gradually, little by little.
Example
The old castle fell inchmeal into ruin.
Le vieux château est tombé petit à petit en ruine.
C2 noun /ɪmˈbroʊlioʊ/

imbroglio

embrouille
Meaning
An extremely confused, complicated, or embarrassing situation.
Example
The political imbroglio lasted for months without resolution.
L'embrouille politique a duré des mois sans résolution.
C1 verb /ɪnˈkɑːrsəreɪt/

incarcerate

incarcérer
Meaning
to imprison or confine someone
Example
The authorities incarcerated the criminal after the trial.
Les autorités ont emprisonné le criminel après le procès.
C2 adjective /ɪmˈperɪʃəbəl/

Imperishable

imperissable; éternel; immortel
Meaning
not subject to decay; lasting forever; eternal
Example
The imperishable beauty of classical art continues to inspire generations.
La beauté impérissable de l'art classique continue d'inspirer les générations.
A2 adjective ˌɪn.təˈnæʃ.ən.əl

international

international
Meaning
Existing, occurring, or carried on between two or more nations and their citizens.
Example
International standards improve competitiveness.
Les normes internationales améliorent la compétitivité.
A2 noun /ˌɪn.trəˈdʌk.ʃən/

introduction

introduction
Meaning
the action of introducing something or someone; an opening or beginning part
Example
The professor gave a brief introduction before starting the lecture.
Le professeur a donné une brève introduction avant de commencer le cours.
C1 verb /ɪmˈpiːd/

impede

entraver
Meaning
To obstruct or hinder the progress or development of something.
Example
Lack of funds can impede business growth.
Le manque de fonds peut entraver la croissance des entreprises.
B2 noun ˌɪmplɪmenˈteɪʃən

implementation

mise en œuvre
Meaning
The process of putting a decision or plan into effect; execution.
Example
Proper implementation of policies is crucial.
La mise en œuvre correcte des politiques est cruciale.
A2 noun /ˈɪnfoʊ/

info

information
Meaning
information; knowledge or facts about something or someone
Example
She gave me all the info I needed for the meeting.
Elle m'a donné toutes les informations nécessaires pour la réunion.
B2 adjective /ɪsˈlɑːmɪk/

islamic

islamique
Meaning
relating to Islam, its followers, or its teachings
Example
The city has many Islamic cultural centers.
La ville possède de nombreux centres culturels islamiques.
C2 verb /ɪnˈveɪ/

inveigh

critiquer sévèrement
Meaning
To speak or write about something with great hostility and criticism.
Example
He inveighed against the corruption in government.
Il a critiqué sévèrement la corruption dans le gouvernement.
C1 adjective /ɪˈrɛfjʊtəbəl/

Irrefutable

irréfutable
Meaning
impossible to deny or disprove; undeniable
Example
The evidence against him was irrefutable.
Les preuves contre lui étaient irréfutables.
C1 adjective /ɪnˈkɒŋɡruəs/

incongruous

incongru
Meaning
Not fitting in with or suitable for the surroundings.
Example
His jokes were incongruous during the serious meeting.
Ses blagues étaient incongrues lors de la réunion sérieuse.
B1 noun ɪnˈvestmənt

investment

investissement
Meaning
The action or process of investing money for profit or material result.
Example
Investment in waste management infrastructure is essential.
L'investissement dans l'infrastructure de gestion des déchets est essentiel.
A1 preposition /ɪn/

in

dans
Meaning
expressing the situation of being enclosed or surrounded by something
Example
She is in the kitchen preparing dinner.
Elle est dans la cuisine en train de préparer le dîner.
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.
C2 noun /ɪmˈpjuːnɪti/

impunity

impunité
Meaning
freedom from punishment or harmful consequences for an action
Example
The dictator ruled with impunity, ignoring international laws.
Le dictateur a régné en toute impunité, ignorant les lois internationales.
B2 adjective /ɪˈmens/

Immense

immense; colossal; énorme
Meaning
extremely large or great; huge
Example
The immense mountain range stretched across the horizon.
La chaîne de montagnes immense s'étendait à travers l'horizon.
C1 noun /ˌɪnkəmˈpliːtnəs/

incompleteness

incomplétude
Meaning
the state of not being complete or whole; lack of necessary parts or fullness
Example
The incompleteness of the report caused delays in the project.
L’incomplétude du rapport a causé des retards dans le projet.
C1 adverb, adjective /ˌɪnkɑːɡˈniːtoʊ/

incognito

incognito
Meaning
In disguise or with one's identity concealed.
Example
The celebrity traveled incognito to avoid the paparazzi.
La célébrité a voyagé incognito pour éviter les paparazzis.
C2 noun /ˈaɪdlər/

idler

fainéant
Meaning
A person who avoids work or spends time lazily.
Example
He was known as an idler who wasted his days.
Il était connu comme un fainéant qui gâchait ses journées.
C1 adjective /ɪnˈɛlɪdʒəbəl/

Ineligible

inéligible; non qualifié; inapte
Meaning
not qualified or entitled to participate or be chosen; unsuitable
Example
Students with poor grades are ineligible for the scholarship program.
Les étudiants avec de mauvaises notes sont inéligibles pour le programme de bourses.
C1 adjective /ɪmˈpæsɪv/

impassive

impassible
Meaning
Not showing or feeling emotion; expressionless.
Example
Despite the shocking news, she remained impassive.
Malgré les nouvelles choquantes, elle est restée impassible.
C2 noun /ˈɪntərˌveɪl/

intervale

terre basse le long d'une rivière, généralement fertile et plate
Meaning
A low-lying tract of land along a river, usually fertile and flat.
Example
The farmers cultivated crops on the lush intervale by the river.
Les agriculteurs ont cultivé des cultures dans l'intervalle fertile près de la rivière.
C1 adjective /ɪnˈæk.tɪv/

Inactive

inactif
Meaning
not active; not working; dormant; idle
Example
The volcano has been inactive for over a century.
Le volcan est inactif depuis plus d'un siecle.
C1 adjective /ɪnˈflɛksəbl/

inflexible

inflexible
Meaning
Not able to bend or change; unwilling to change ideas or behavior.
Example
His inflexible attitude made negotiations difficult.
Son attitude inflexible rendait les négociations difficiles.
C1 noun /ɪˌreɡjəˈlærɪti/

irregularity

irrégularité
Meaning
lack of regularity or consistency; a deviation from what is normal, expected, or orderly
Example
The audit revealed several financial irregularities in the company’s records.
L’audit a révélé plusieurs irrégularités financières dans les registres de l’entreprise.
C2 noun /ɪnˈtɛmpərəns/

intemperance

intempérance
Meaning
Lack of moderation or self-control, especially with drinking or eating.
Example
His intemperance in drinking ruined his health.
Son intempérance dans l'alcool a ruiné sa santé.
C2 adjective /ˌɪrɪˈdɛsənt/

iridescent

iridescent
Meaning
showing luminous colors that seem to change when seen from different angles
Example
She wore an iridescent dress that sparkled in the light.
Elle portait une robe iridescente qui scintillait à la lumière.
C2 adjective /ɪmˈpɪəriəs/

imperious

impérieux
Meaning
Arrogantly domineering or overbearing.
Example
Her imperious tone made it hard for others to argue.
Son ton impérieux rendait difficile pour les autres de discuter.
A2 adverb /ɪˈmiːdiətli/

immediately

immédiatement
Meaning
at once; without delay
Example
She responded immediately to the emergency call.
Elle a répondu immédiatement à l'appel d'urgence.
C2 adjective /ɪnˈvaɪələbl/

inviolable

inviolable
Meaning
never to be broken, dishonored, or violated
Example
Human rights are considered inviolable in modern democracies.
Les droits de l'homme sont considérés comme inviolables dans les démocraties modernes.
C1 adjective /ɪnˈedəbəl/

Inedible

incomestible
Meaning
not suitable or safe for eating; not edible
Example
The mushrooms were poisonous and completely inedible.
Les champignons étaient venimeux et complètement inédibles.
C1 verb /ɪmˈplɔːr/

implore

implorer
Meaning
To beg someone earnestly or desperately to do something.
Example
She implored him to stay with her.
Elle lui implora de rester avec elle.
C1 verb /ɪnˈtruːd/

intrude

interrompre
Meaning
To enter a place or situation where one is not wanted or not invited.
Example
He felt embarrassed to intrude on their private conversation.
Il s'est senti embarrassé d'interrompre leur conversation privée.
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.
Son intuition lui a dit que quelque chose n’allait pas.
B1 adjective /aɪˈdiːəl/

ideal

idéal
Meaning
the best possible; perfect for a situation
Example
This place is ideal for a picnic.
Cet endroit est idéal pour un pique-nique.
A2 verb /ˌɪntrəˈduːs/

introduce

présenter
Meaning
to present someone; to bring in for the first time
Example
Let me introduce you to my friend.
Laisse-moi te présenter à mon ami.
C1 noun /ˈɪnlɛt/

inlet

entrée
Meaning
A small arm of the sea, a lake, or a river; an opening or passage for entry.
Example
The boat entered a narrow inlet along the coast.
Le bateau est entré dans une entrée étroite le long de la côte.
C1 adjective /ˌɪnədˈmɪsəbl̩/

inadmissible

inadmissible
Meaning
Not allowed, especially as evidence in a court of law.
Example
The judge ruled the evidence inadmissible.
Le juge a déclaré que la preuve était inadmissible.
C1 verb /ˈɪmplɪˌkeɪt/

implicate

impliquer
Meaning
To show someone’s involvement in a crime or wrongdoing.
Example
The evidence implicated several officials in the scandal.
Les preuves ont impliqué plusieurs responsables dans le scandale.
C2 adjective /aɪˈtɪnərənt/

itinerant

itinérant
Meaning
Traveling from place to place, especially for work or duty.
Example
The itinerant teacher moved from village to village to educate children.
L'enseignant itinérant se déplaçait de village en village pour enseigner aux enfants.
C2 noun /ˌɪnkrʌˈsteɪʃən/

incrustation

croûte
Meaning
a crust or hard coating formed on the surface of something
Example
The old pipes were blocked due to heavy incrustation of minerals.
Les vieilles tuyauteries étaient bloquées en raison d'une incrustation importante de minéraux.
C1 noun /ɪmˈpjʊərəti/

impurity

impureté
Meaning
the state of being unclean or contaminated; a substance that makes something impure
Example
The scientist removed every impurity from the water sample.
Le scientifique a éliminé chaque impureté de l’échantillon d’eau.
C2 noun /ˌɪmprɪˈkeɪʃən/

imprecation

malédiction
Meaning
A spoken curse or expression of strong condemnation.
Example
The angry crowd hurled imprecations at the corrupt official.
La foule en colère a lancé des malédictions à l'officiel corrompu.
C2 noun /ˌɪmpəˈtjuːəsəti/

impetuosity

impétuosité
Meaning
The quality of being rash or impulsive.
Example
His impetuosity often got him into trouble.
Son impétuosité le mettait souvent dans des ennuis.
C1 adjective /ˈɪntrɪkət/

intricate

complexe
Meaning
very detailed, complex, and difficult to understand
Example
The artist created an intricate pattern on the wall.
L'artiste a créé un motif complexe sur le mur.
B2 adjective /ɪˈmjuːn/

immune

immunisé
Meaning
protected from disease or from the effects of something
Example
Children who are vaccinated are immune to many diseases.
Les enfants vaccinés sont immunisés contre de nombreuses maladies.
B1 verb /ɪnˈvɛnt/

invent

inventer
Meaning
to create or design something that has not existed before
Example
Thomas Edison invented the electric bulb.
Thomas Edison a inventé l'ampoule électrique.
C2 adjective /ɪˈnɪkwɪtəs/

iniquitous

iniquité
Meaning
grossly unfair and morally wrong
Example
Slavery was one of the most iniquitous practices in history.
L'esclavage était l'une des pratiques les plus iniquitous de l'histoire.
C2 noun /ɪnˈfrækʃən/

infraction

infraction
Meaning
A violation or breach of a rule, law, or agreement.
Example
The student was punished for a minor infraction of the school rules.
L'étudiant a été puni pour une infraction mineure aux règles de l'école.
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.
B1 noun ˌɪndɪˈpendəns

independence

indépendance
Meaning
The fact or state of being independent; freedom from outside control; not being subject to another's authority.
Example
Independence inspired the movement.
L'indépendance a inspiré le mouvement.
B2 verb /ɪnˈsʌlt/

insult

insulter
Meaning
to speak or act in a way that hurts someone's feelings or shows disrespect
Example
He felt insulted by her rude comments.
Il s'est senti insulté par ses commentaires impolis.
C2 noun /ɪˌluːmɪˈnɑːti/

illuminati

illuminati
Meaning
a group of people claiming to have special enlightenment or secret knowledge, often linked to conspiracies
Example
Many conspiracy theories involve the Illuminati as a secret world-controlling group.
De nombreuses théories du complot impliquent les Illuminati comme un groupe secret contrôlant le monde.
A2 adjective /ˈɪntrəstɪd/

interested

intéressé
Meaning
Showing curiosity or concern about something.
Example
She is very interested in learning new languages.
Elle est très intéressée par l'apprentissage de nouvelles langues.
B2 noun ɪnˈsɛntɪvz

incentives

incitations, incitatifs
Meaning
Things that motivate or encourage one to do something.
Example
Tax incentives are used to encourage investment in renewable energy.
Les incitations fiscales sont utilisées pour encourager les investissements dans l'énergie renouvelable.
B1 noun ɪnˈven.ʃən

invention

invention
Meaning
The action of inventing something, typically a process or device.
Example
The invention revolutionized communication.
L'invention a révolutionné la communication.
B2 verb /ɪnˈsɜːrt/

insert

insérer
Meaning
to put or place something into something else
Example
Please insert the key into the lock.
veuillez insérer la clé dans la serrure.
C2 noun /ˈɪntəˌkrɒpɪŋ/

intercropping

cultures intercalaires
Meaning
The agricultural practice of cultivating two or more crops simultaneously in the same field to maximize land use efficiency and improve soil health.
Example
Intercropping can help improve soil fertility and pest control.
Les cultures intercalaires peuvent aider à améliorer la fertilité du sol et à contrôler les ravageurs.
C2 adjective ɪnˈdɒm.ɪ.tə.bəl

indomitable

indomptable
Meaning
Impossible to subdue or defeat.
Example
Her indomitable spirit helped her overcome adversity.
Son esprit indomptable l'a aidée à surmonter l'adversité.
C1 adjective /ɪmˈpɛtʃ.u.əs/

impetuous

impulsif
Meaning
Acting or done quickly and without thought or care; impulsive.
Example
His impetuous decision led to unexpected consequences.
Sa décision impulsive a conduit à des conséquences inattendues.
C2 verb /ˌɪntərˈpoʊz/

interpose

interposer
Meaning
To place or insert between one thing and another; to intervene in a situation.
Example
He quickly interposed himself between the fighters to stop the quarrel.
Il s'est rapidement interposé entre les combattants pour arrêter la querelle.
C2 noun /ˌɪmprəˈsɑːrioʊ/

impresario

impresario
Meaning
A person who organizes or finances concerts, plays, or operas.
Example
The impresario arranged a series of concerts for the rising star.
L'impresario a organisé une série de concerts pour la star montante.
C1 adjective /ɪnˈtɜːrmənəbl/

interminable

interminable
Meaning
Seemingly endless; having no apparent end.
Example
The meeting felt interminable and exhausting.
La réunion semblait interminable et épuisante.
B1 noun /ˈɪnstəns/

instance

instance
Meaning
An example or single occurrence of something.
Example
This is just one instance of his generosity.
C'est juste un exemple de sa générosité.
C2 noun /ɪnˈtɛnʃən/

intension

contenu interne
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.
L'intension du mot 'chien' inclut être un mammifère et être domestiqué.