interpolation
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C2 noun /ɪnˌtɜːrpəˈleɪʃən/

interpolation

interpolation
Meaning
The act of inserting something into a text or estimating values within a sequence of data.
Example
The scientist used interpolation to predict the missing data points.
Le scientifique a utilisé l'interpolation pour prédire les points de données manquants.
C2 noun /ˌɪndɛnˈteɪʃən/

indentation

indentation
Meaning
A space left at the beginning of a line of text; a notch or deep recess on a surface.
Example
The teacher asked the students to use proper indentation in their essays.
Le professeur a demandé aux élèves d'utiliser une indentation correcte dans leurs essais.
C2 noun /ˈaɪ.lət/

islet

îlot
Meaning
A very small island.
Example
The fishermen rested on a tiny islet before continuing their journey.
Les pêcheurs se sont reposés sur un petit îlot avant de continuer leur voyage.
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.
C2 verb /ɪmˈpɛnd/

impend

se profiler
Meaning
to be about to happen; to loom threateningly
Example
Dark clouds suggested that a storm was impeding.
Les nuages sombres suggéraient qu'une tempête était imminente.
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.
C2 adjective /ɪmˈplaɪəbl/

impliable

impliquable
Meaning
Capable of being implied or suggested.
Example
The meaning of the statement is not directly clear but is impliable from the context.
Le sens de la déclaration n'est pas directement clair, mais il est impliquable à partir du contexte.
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.
C2 adjective /ˌɪnˌɑːpərˈtuːn/

inopportune

moment inopportun
Meaning
Happening at a bad or inconvenient time.
Example
His call came at the most inopportune moment.
Son appel est arrivé au moment le plus inopportun.
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.
C2 adjective /ɪmˈpɛn.ɪ.tənt/

impenitent

impénitent
Meaning
Not feeling regret or shame about one's actions.
Example
The criminal remained impenitent after the trial.
Le criminel est resté impénitent après le procès.
C2 adjective /ɪnˈvʌlnərəbl/

invulnerable

invulnérable
Meaning
Impossible to harm, damage, or defeat.
Example
The fortress was thought to be invulnerable to attack.
La forteresse était considérée comme invulnérable aux attaques.
C2 adjective /ɪnˈfɜːrnəl/

infernal

infernal
Meaning
relating to hell; extremely troublesome or annoying
Example
The workers complained about the infernal noise from the construction site.
Les travailleurs se sont plaints du bruit infernal provenant du site de construction.
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 noun /ˌɪn.strəˈmɛn.təl.ɪst/

instrumentalist

instrumentiste
Meaning
A person who plays a musical instrument.
Example
The instrumentalist played a beautiful solo on the violin.
L'instrumentiste a joué un beau solo au violon.
C2 adjective /ˈɪkθiɪk/

ichthyic

ichtyique
Meaning
Relating to or resembling fish.
Example
The artist's painting had an ichthyic quality.
La peinture de l'artiste avait une qualité ictyique.
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.
C2 adjective/noun /ɪnˈkɑːrnədiːn/

incarnadine

rouge incarnat
Meaning
a bright crimson or pinkish-red color
Example
The sky turned incarnadine at sunset.
Le ciel est devenu rouge incarnat au coucher du soleil.
C2 adjective /ˌɪrɪˈmiːdiəbl̩/

irremediable

irrémédiable
Meaning
Impossible to cure, repair, or remedy.
Example
The damage to the ancient manuscript was irremediable.
Les dommages au manuscrit ancien étaient irrémédiables.
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.
C2 noun /ɪnˈvɛstɪtʃər/

investiture

cérémonie d'investiture
Meaning
the formal ceremony of conferring authority, rank, or office
Example
The king held an investiture ceremony for the new knight.
Le roi a organisé une cérémonie d'investiture pour le nouveau chevalier.
C2 adjective /ɪmˈprɛɡnəbl̩/

impregnable

imprenable
Meaning
Unable to be captured, broken into, or defeated.
Example
The fortress was considered impregnable by the enemy.
La forteresse était considérée comme imprenable par l'ennemi.
C2 noun /ˈɪsməs/ or /ˈɪsθməs/

isthmus

isthme
Meaning
A narrow strip of land connecting two larger land areas, often with water on either side.
Example
The Panama Canal cuts through the Isthmus of Panama.
Le canal de Panama traverse l'isthme de Panama.
C2 adjective /ˈɪnfəntaɪl/

infantile

infantile
Meaning
characteristic of an infant; childish
Example
His infantile behavior embarrassed everyone at the meeting.
Son comportement infantile a embarrassé tout le monde à la réunion.
C2 adjective /ˌɪm.pəˈfɛk.tə.bəl/

imperfectible

imparfaitible
Meaning
Incapable of being made perfect or complete.
Example
Some human qualities are considered imperfectible.
Certaines qualités humaines sont considérées comme imparfaitibles.
C2 noun /ˈaɪsinəs/

iciness

froid
Meaning
The state of being cold in manner or temperature.
Example
There was a distinct iciness in his voice.
Il y avait une froideur distincte dans sa voix.
C2 noun /ˌɪnvəˈkeɪʃən/

invocation

invocation
Meaning
the act of calling upon a higher power for help, blessing, or inspiration
Example
The ceremony began with an invocation to the gods.
La cérémonie a commencé par une invocation aux dieux.
C2 noun /ˈɪrɪɡənt/

irrigant

liquide d'irrigation
Meaning
A liquid used for irrigation, especially in medical or agricultural contexts.
Example
The doctor used a sterile irrigant during the procedure.
Le médecin a utilisé un irrigant stérile pendant la procédure.
C2 adjective /ˌɪrɪˈprəʊtʃəbl̩/

irreproachable

irréprochable
Meaning
Beyond criticism; faultless.
Example
The judge was known for his irreproachable integrity.
Le juge était connu pour son intégrité irréprochable.
C2 verb /ˈɪndjʊˌreɪt/

indurate

endurcir
Meaning
To harden or make something physically or emotionally tough.
Example
Years of hardship indurated his spirit.
Des années de difficultés ont induré son esprit.
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.
C2 noun /ˈɪrɪtənsi/

irritancy

irritation
Meaning
the quality or state of causing irritation; legal or formal invalidation
Example
The constant noise became an irritancy to the neighbors.
Le bruit constant est devenu une irritation pour les voisins.
C2 noun /ˈɪnroʊd/

inroad

progrès
Meaning
An advance or significant progress, often at the expense of something else.
Example
The company made significant inroads into the mobile market.
L'entreprise a réalisé des progrès significatifs sur le marché mobile.
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.
C2 adjective /ˌɪrɛvəˈrɛnʃəl/

irreverential

irrévérencieux
Meaning
Showing a lack of respect for things that are generally taken seriously.
Example
His irreverential humor often shocked traditional audiences.
Son humour irrévérencieux choquait souvent les spectateurs traditionnels.
C2 adjective /ɪˈlɪbərəl/

illiberal

illibéral
Meaning
Opposed to liberal principles; restricting freedom of thought or behavior.
Example
The government was criticized for its illiberal policies.
Le gouvernement a été critiqué pour ses politiques illibérales.
C2 adjective ɪˈnɛfəbl

ineffable

ineffable
Meaning
Too great or extreme to be expressed or described in words.
Example
The beauty of the landscape was ineffable.
La beauté du paysage était ineffable.
C2 noun /ɪnˈfriːkwəns/

infrequence

infréquence
Meaning
The state of occurring rarely or at long intervals.
Example
The infrequence of their meetings made it hard to maintain close ties.
L'infréquence de leurs réunions rendait difficile le maintien de liens étroits.
C2 verb /ˈɪmprɛɡneɪt/

impregnate

imprégner / rendre enceinte
Meaning
To make pregnant; to fill or saturate with something.
Example
The scientist used a method to impregnate the material with resin.
Le scientifique a utilisé une méthode pour imprégner le matériau de résine.
C2 noun /ˌɪmprɪˈmɑːtər/

imprimatur

imprimatur
Meaning
An official license or approval, especially to publish a book.
Example
The book was released with the official imprimatur of the church.
Le livre a été publié avec l'imprimatur officiel de l'église.
C2 adjective /ˌɪntərˈniːsaɪn/

internecine

conflit interne
Meaning
Relating to conflict within a group, often causing mutual destruction.
Example
The internecine conflict weakened the organization from within.
Le conflit interne a affaibli l'organisation de l'intérieur
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.
C2 adjective /ˈɪmənənt/

immanent

immanent
Meaning
existing or operating within; inherent
Example
He believed that moral values are immanent in human nature.
Il croyait que les valeurs morales sont immanentes dans la nature humaine.
C2 adjective /ˌɪn.ɪˈlʌk.tə.bəl/

ineluctable

inéluctable
Meaning
Impossible to avoid or escape; inevitable.
Example
Death is an ineluctable part of human existence.
La mort est une partie inéluctable de l'existence humaine.
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.
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.
C2 adjective /ɪmˈpræktɪkəbl/

impracticable

impraticable
Meaning
Not capable of being carried out or put into practice.
Example
The plan seemed impracticable due to limited resources.
Le plan semblait impraticable en raison des ressources limitées.
C2 adjective /ɪnˈkoʊətɪv/

inchoative

inchoatif
Meaning
relating to the beginning of something; in an initial stage
Example
The poet used inchoative expressions to depict the dawn of creation.
Le poète a utilisé des expressions inchoatives pour décrire l'aube de la création.
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.
C2 noun /ˈɪŋkjʊbəs/

incubus

esprit maléfique
Meaning
An oppressive or nightmarish burden; in folklore, an evil spirit that lies upon sleeping people.
Example
Debt became an incubus that weighed heavily on the family.
La dette est devenue un esprit maléfique qui pesait lourdement sur la famille.
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.
C2 verb /ˌɪmpɔːrˈtuːnd/

importuned

demander de manière insistante
Meaning
asked someone persistently and pressingly for something
Example
She importuned her boss for a raise until he finally gave in.
Elle demandait de manière insistante une augmentation à son patron jusqu'à ce qu'il cède enfin.
C2 verb /ɪnˈɡrɑːft/

ingraft

implanter
Meaning
To implant or fix deeply, often used in the sense of grafting an idea or quality.
Example
The teacher tried to ingraft good manners in the students.
Le professeur a essayé d'implanter de bonnes manières chez les étudiants.
C2 noun /ˈaɪ.ərn.wʊd/

Ironwood

bois de fer
Meaning
a hard, dense wood from various trees; also the tree itself that produces small flowers
Example
The ironwood tree blooms with tiny white flowers.
L'arbre de bois de fer fleurit avec de petites fleurs blanches.
C2 noun /ɪmˈpaɪ.ə.ti/

Impiety

impiété
Meaning
lack of piety or reverence, especially for a god; disrespect or irreverence toward religious matters
Example
His impiety shocked the religious community when he mocked their sacred ceremonies.
Son impiété a choqué la communauté religieuse lorsqu'il s'est moqué de leurs cérémonies sacrées.
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.
C2 noun /ˈaɪ.səˌbɑːr/

isobar

isobare
Meaning
A line on a weather map connecting points of equal atmospheric pressure.
Example
The meteorologist explained how isobars indicate wind speed and direction.
Le météorologue a expliqué comment les isobares indiquent la vitesse et la direction du vent.
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.
C2 adjective /ɪnˈskruːtəbl̩/

inscrutable

bonheur
Meaning
impossible to understand or interpret
Example
His inscrutable expression made it hard to know what he was thinking.
Elle n'a pas pu cacher son bonheur lorsqu'elle a reçu le prix.
C2 verb /ɪnˈfætʃueɪt/

infatuate

fasciner
Meaning
to inspire with an intense but short-lived passion or admiration
Example
He was infatuated with her beauty.
Il était fasciné par sa beauté.
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.
C2 noun /ˌɪn.ʌnˈdeɪ.ʃən/

inundation

inondation
Meaning
The act of flooding or overwhelming with water or things.
Example
The town suffered from a severe inundation after the heavy rains.
La ville a souffert d'une grave inondation après les fortes pluies.
C2 noun /ɪnˈkwɪzɪtər/

inquisitor

inquisiteur
Meaning
A person who asks many questions, often in an official or harsh manner.
Example
The inquisitor demanded detailed answers from the witness.
L'inquisiteur a exigé des réponses détaillées du témoin.
C2 noun /ɪˈluːmɪnənt/

illuminant

illuminant
Meaning
A substance or device that produces light.
Example
The lamp acted as an illuminant in the dark cave.
La lampe a agi comme un illuminant dans la grotte sombre.
C2 noun /ˈaɪdɪl/

idyll

scène idyllique
Meaning
An extremely happy, peaceful, or picturesque episode or scene, often idealized.
Example
Their honeymoon was an idyll on a tropical island.
Leur lune de miel était une scène idyllique sur une île tropicale.
C2 adjective /ɪˈmɪsəbl/

immiscible

immiscible
Meaning
Describes liquids that do not mix together.
Example
Oil and water are immiscible liquids.
L'huile et l'eau sont des liquides immiscibles.
C2 noun /ˌɪnəməˈrɑːtə/

inamorata

amante
Meaning
A woman with whom someone is in love; a female lover.
Example
He wrote a poem dedicated to his inamorata.
Il a écrit un poème dédié à son amante.
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.
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 /ɪnˈsɛnseɪt/

insensate

insensible
Meaning
lacking physical sensation or empathy; without feeling or sensitivity
Example
The dictator's insensate cruelty shocked the world.
La cruauté insensible du dictateur a choqué le monde.
C2 adjective /ɪnˈɡlɔːriəs/

inglorious

honteux
Meaning
Causing shame or disgrace; not bringing honor or glory.
Example
The army suffered an inglorious defeat.
L'armée a subi une défaite honteuse.
C2 adjective /ɪmˈpæsɪbəl/

impassible

impassible
Meaning
Incapable of suffering or feeling pain (used mainly in theological or philosophical contexts).
Example
Some philosophers argue that God is impassible and cannot experience human emotions.
Certains philosophes affirment que Dieu est impassible et ne peut pas éprouver les émotions humaines.
C2 verb ˈɪn.kʌl.keɪt

inculcate

inculquer
Meaning
Instill an attitude, idea, or habit by persistent instruction; to teach and impress by frequent repetitions.
Example
Parents should inculcate good values in their children.
Les parents devraient inculquer de bonnes valeurs à leurs enfants.
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 /ˌɪrɪˈdjuːsəbl/

irreducible

irréductible
Meaning
impossible to reduce or simplify further
Example
The fraction 3/7 is irreducible.
La fraction 3/7 est irréductible.
C2 noun /ɪˈrʌp.ʃən/

Irruption

une entrée violente soudaine; une invasion ou une incursion; une explosion ou une éruption soudaine
Meaning
a sudden violent entry; an invasion or raid; a sudden outburst or eruption
Example
The army's irruption into enemy territory caught the opposing forces completely off guard.
L'irruption de l'armée dans le territoire ennemi a pris les forces adverses complètement au dépourvu.
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.
C2 adjective /ɪnhɑːrˈmoʊniəs/

Inharmonious

inharmonieux
Meaning
lacking harmony; discordant in sound; not in tune
Example
The inharmonious sounds from the broken piano made everyone cover their ears.
Les sons inharmonieux du piano cassé ont obligé tout le monde à se couvrir les oreilles.
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 verb /ɪnˈtɜːrpəˌleɪt/

interpolate

interpoler
Meaning
To insert something, often words, into a text or conversation; to estimate values between known data points.
Example
The editor interpolated a missing paragraph into the manuscript.
L'éditeur a interpolé un paragraphe manquant dans le manuscrit.
C2 adjective /ˈɪnˌbrɛd/

inbred

inné
Meaning
existing naturally in a person or animal; also related to reproduction within a limited community
Example
He has an inbred sense of loyalty.
Il a un sens inné de la loyauté.
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.
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.
La décision d'ignorer les protocoles de sécurité était une pure idiotie qui mettait tout le monde en danger.
C2 noun /ˌɪnjuːˈɛndəʊ/

innuendo

sous-entendu
Meaning
An allusive or oblique remark or hint, typically a suggestive or disparaging one.
Example
The manager's innuendo was directed towards his competitor.
L'allusion du directeur était dirigée vers son concurrent.
C2 adjective /ˌɪnkɔːrˈpɔːriəl/

incorporeal

incorporel
Meaning
lacking a physical body; not composed of matter; intangible
Example
Ghosts are often described as incorporeal beings.
Les fantômes sont souvent décrits comme des êtres incorporels.
C2 noun /ˈɪndələns/

indolence

indolence
Meaning
Avoidance of activity or exertion; laziness.
Example
His indolence kept him from finishing the project on time.
Son indolence l'a empêché de terminer le projet à temps.
C2 adjective /ɪˈmɒdərət/

immoderate

immodéré
Meaning
excessive; beyond reasonable limits
Example
He has an immoderate love for sweets.
Il a un amour immodéré pour les bonbons.
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.
C2 adjective /ˌɪnsəˈpɔːrtəbl̩/

insupportable

insupportable
Meaning
Too extreme or difficult to be endured.
Example
The heat was insupportable during the long journey.
La chaleur était insupportable pendant le long voyage.
C2 adjective /ɪnˈsɪpɪd/

insipid

insipide
Meaning
lacking flavor, interest, or excitement; dull
Example
The soup was insipid and needed more seasoning.
La soupe était insipide et avait besoin de plus d'assaisonnement.
C2 noun /ˌɪn.təˈvɛn.ʃə.nɪ.zəm/

interventionism

interventionnisme
Meaning
Government policy of active involvement in economic affairs.
Example
The central bank's interventionism helped stabilize inflation.
L'interventionnisme de la banque centrale a aidé à stabiliser l'inflation.
C2 noun /ˈɪnˌɡreɪt/

ingrate

ingrat
Meaning
An ungrateful person; someone who shows no appreciation.
Example
He worked hard for his friend, but the ingrate never thanked him.
Il a travaillé dur pour son ami, mais l'ingrat ne l'a jamais remercié.
C2 noun /ˌɪnədˈvɜːrtəns/

inadvertence

inadvertance
Meaning
Failure to pay attention; carelessness.
Example
The error happened through sheer inadvertence.
L'erreur est survenue par pure inadvertance.
C2 adjective /ɪnˈkɒrɪdʒəbəl/

incorrigible

incorrigible
Meaning
incapable of being corrected, improved, or reformed
Example
He is an incorrigible optimist who never loses hope.
C'est un optimiste incorrigible qui ne perd jamais espoir.
C2 noun /ɪnˈsɪpiəns/

incipience

début
Meaning
the beginning or initial stage of something
Example
The project was still in its incipience when funding was approved.
Le projet en était encore à ses débuts lorsque le financement a été approuvé.
C2 adjective /ɪˈrɛzəluːt/

irresolute

indécis
Meaning
uncertain or indecisive; lacking determination
Example
He stood irresolute at the crossroads, unsure which path to take.
Il resta indécis au carrefour, ne sachant quel chemin prendre.
C2 noun /ˈɪmɪˌteɪtər/

imitator

imitateur
Meaning
a person who copies the behavior, style, or actions of others
Example
He became famous as an imitator of popular singers.
Il est devenu célèbre en tant qu'imitateur de chanteurs populaires.
C2 adjective /ˌɪmpɪˈkjuːniəs/

impecunious

pauvre
Meaning
Having little or no money; poor.
Example
He grew up in an impecunious family.
Il a grandi dans une famille pauvre.
C2 noun /ˈɪn.dɪ.dʒəns/

indigence

indigence
Meaning
a state of extreme poverty or destitution
Example
The charity was founded to help people living in indigence.
La charité a été fondée pour aider les personnes vivant dans l'indigence.
C2 verb /ɪˈreɪdieɪt/

irradiate

irradier
Meaning
to shine light on something; to expose to radiation; to illuminate or brighten
Example
The scientist used a lamp to irradiate the sample.
Le scientifique a utilisé une lampe pour irradier l'échantillon.
C2 adjective /ɪnˈsɪpiənt/

incipient

incipient
Meaning
in an initial stage; beginning to develop
Example
The incipient storm made the sky turn dark and heavy.
La tempête incipiente a fait assombrir le ciel et le rendre lourd.
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.
C2 adjective /ˌɪɡ.nəˈmɪn.i.əs/

ignominious

ignominieux
Meaning
Marked by shame, disgrace, or humiliation.
Example
The team suffered an ignominious defeat in the finals.
L'équipe a subi une défaite ignominieuse en finale.
C2 adjective /aɪˈdɒlətrəs/

idolatrous

idolatrique
Meaning
Excessively admiring or worshipping someone or something as an idol.
Example
The king was criticized for his idolatrous devotion to wealth.
Le roi a été critiqué pour sa dévotion idolâtrique à la richesse.
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 /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 adjective /ˌɪrɪˈtriːvəbl/

irretrievable

irrécupérable
Meaning
impossible to recover or regain
Example
The documents were lost in an irretrievable way after the fire.
Les documents ont été perdus de manière irrécupérable après l'incendie.
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.
C2 noun /ɪnˈkɒnstənsi/

inconstancy

inconstance
Meaning
The quality of changing frequently or being unreliable.
Example
The inconstancy of the weather makes planning difficult.
L'inconstance du temps rend la planification difficile.
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.
C2 adjective /ɪnˈkɒnstənt/

inconstant

inconstant
Meaning
frequently changing; not consistent or dependable
Example
His inconstant moods made it difficult to work with him.
Ses humeurs inconstantes rendaient difficile de travailler avec lui.
C2 adjective /ɪˈlɪmɪtəbl/

illimitable

illimité
Meaning
Without limits or bounds.
Example
The universe is often described as illimitable.
L'univers est souvent décrit comme illimité.
C2 adjective /ɪnˈvɛtərət/

inveterate

invétéré
Meaning
having a long-established habit, activity, or interest that is unlikely to change
Example
He is an inveterate reader who spends hours in the library every day.
Il est un lecteur invétéré qui passe des heures à la bibliothèque chaque jour.
C2 adjective /ˌɪnɪˈsɛnʃəl/

inessential

non essentiel
Meaning
not necessary or important; not essential
Example
The report removes all inessential details to stay focused.
Le rapport supprime les détails non essentiels pour rester concentré.
C2 verb /ɪnˈdɒktrɪˌneɪt/

indoctrinate

endoctriner
Meaning
To teach someone to fully accept a set of beliefs or ideas without question.
Example
The regime tried to indoctrinate the youth with propaganda.
Le régime a tenté d'endoctriner la jeunesse avec de la propagande.
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 adjective /ɪnˈdʒɛnjuəs/

ingenuous

ingénu
Meaning
Innocent, naive, and unsuspecting; showing childlike simplicity and sincerity.
Example
Her ingenuous smile revealed her genuine kindness.
Son sourire ingénu révélait sa véritable gentillesse.
C2 verb /ɪˈniː.bri.eɪt/

inebriate

enivrer
Meaning
to intoxicate; to make someone drunk
Example
The strong wine was enough to inebriate even the most experienced drinker.
Le vin fort était suffisant pour enivrer même le buveur le plus expérimenté.
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 verb /ˈɪntərˌdɪkt/

interdict

interdire
Meaning
to prohibit or forbid something by authoritative order, often by law or decree
Example
The court moved to interdict the sale of the illegal goods.
Le tribunal a décidé d'interdire la vente des biens illégaux.
C2 adjective /ˌɪnkəmˈprɛsəbl/

incompressible

incompressible
Meaning
Not able to be pressed or squeezed into a smaller space.
Example
Liquids are generally considered incompressible.
Les liquides sont généralement considérés comme incompressibles.