Illegibility
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN Anglais BN Bengali HI Hindi ES Espagnol FR Français DE Allemand RU Russe ZH Chinois JA Japonais
All Vocabulary Cards All Vocabularies
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.
C2 noun /ˈɪl.i.æd/

iliad

Iliade
Meaning
An ancient Greek epic poem attributed to Homer, describing the events of the Trojan War.
Example
Students studied the Iliad to understand Greek mythology and heroism.
Les étudiants ont étudié l'Iliade pour comprendre la mythologie grecque et l'héroïsme.
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.
C2 noun /ˌɪnˌkeɪpəˈbɪləti/

incapability

incapacité
Meaning
lack of ability or power to do something; inability or incompetence
Example
His incapability to manage the team led to serious problems.
Son incapacité à gérer l’équipe a causé de graves problèmes.
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 adjective/verb /ɪnˈkɑːrneɪt/

incarnate

incarné
Meaning
to embody or represent in human form; in flesh
Example
She is kindness incarnate.
Elle est la bonté incarnée.
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 /ˌɪkθiˈɒlədʒɪst/

ichthyologist

ichtyologiste
Meaning
A scientist who studies fish.
Example
The ichthyologist discovered a new species of fish in the river.
L'ichtyologiste a découvert une nouvelle espèce de poisson dans la rivière.
C2 verb ˈɪnʌndeɪt

inundate

inonder, submerger quelqu'un ou quelque chose avec des choses ou des personnes à traiter
Meaning
To flood; overwhelm someone or something with things or people to be dealt with
Example
The company was inundated with requests after the advertisement.
L'entreprise a été inondée de demandes après la publicité.
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 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 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 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.
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 /ˌɪrɪˈkɒnsɪləbl/

irreconcilable

irréconciliable
Meaning
impossible to make compatible or bring into harmony; unable to resolve differences
Example
The couple separated due to irreconcilable differences.
Le couple s'est séparé en raison de différences irréconciliables.
C2 noun /ˌɪnkrɪˈdjuːləti/

incredulity

incrédulité
Meaning
the state of being unwilling or unable to believe something
Example
She looked at him with incredulity after hearing the strange story.
Elle le regarda avec incrédulité après avoir entendu l'histoire étrange.
C2 adjective /ˌɪnɪkˈsprɛsəbl/

inexpressible

inexprimable
Meaning
Too strong or extreme to be expressed in words.
Example
She felt inexpressible joy at the news of her success.
Elle ressentit une joie inexprimable en apprenant son succès.
C2 adjective /ɪnˈtɛsteɪt/

intestate

décédé sans testament
Meaning
Having died without leaving a valid will.
Example
She died intestate, so her assets were distributed by law.
Elle est décédée sans testament, donc ses biens ont été répartis par la loi.
C2 noun /ɪnˈtɜːrmənt/

interment

inhumation
Meaning
The act of burying a dead body in a grave or tomb.
Example
The interment took place at the family cemetery.
L'inhumation a eu lieu au cimetière familial.
C2 verb /ɪˈnjʊər/

inure

habituer
Meaning
To become accustomed to something, especially something unpleasant.
Example
Soldiers quickly became inured to the harsh conditions.
Les soldats se sont rapidement habitués aux conditions difficiles.
C2 noun /ɪnˈtɜːrstɪs/

interstice

interstice
Meaning
a small space that lies between things
Example
Light filtered through the narrow interstices of the wall.
La lumière s'est filtrée à travers les étroites interstices du mur.
C2 noun /ˌɪrɪˈdɛsəns/

iridescence

brillance iridescente
Meaning
a play of lustrous, changing colors like those of a rainbow
Example
The butterfly's wings shimmered with iridescence.
Les ailes du papillon brillaient d'une brillance iridescente.
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 adjective /ˌɪnsəˈprɛsəbl/

insuppressible

irrépressible
Meaning
That cannot be suppressed or restrained.
Example
She had an insuppressible urge to laugh during the ceremony.
Elle avait une envie irrépressible de rire pendant la cérémonie.
C2 adjective /ˈɪn.dɪ.dʒənt/

indigent

indigent
Meaning
lacking the necessities of life due to poverty; very poor
Example
The hospital offers free care to indigent patients.
L'hôpital offre des soins gratuits aux patients indigents.
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 /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 /ɪnˈtɛɡ.jʊ.mənt/

integument

revêtement externe
Meaning
A natural outer covering, such as skin, shell, or rind.
Example
The snake sheds its integument as it grows.
Le serpent mue de son revêtement externe à mesure qu'il grandit.
C2 verb ɪmˈbaɪb

imbibe

absorber, assimiler, boire
Meaning
Absorb or assimilate ideas or knowledge. To drink or take in.
Example
He tried to imbibe the wisdom from his mentor.
Il a essayé d'absorber la sagesse de son mentor.
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 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 /ɪɡˈnoʊ.bəl/

Ignoble

ignoble; méprisable; bas
Meaning
dishonorable; not noble in character; base or mean
Example
His ignoble actions betrayed his friends' trust.
Ses actions ignobles ont trahi la confiance de ses amis.
C2 adjective /ɪmˈpɑːlɪtɪk/

impolitic

imprudent
Meaning
Unwise or imprudent; not showing good judgment.
Example
It would be impolitic to criticize them openly.
Il serait imprudent de les critiquer ouvertement.
C2 adjective /ɪnˈsɛndiˌɛri/

incendiary

incendiaire / provocateur
Meaning
designed to cause fires or stir up conflict
Example
The politician’s incendiary remarks angered the crowd.
Les remarques incendiaires du politicien ont mis en colère la foule.
C2 adjective /ˌɪnˈekspɜːrt/

inexpert

inexpérimenté
Meaning
not skilled or experienced; lacking expertise
Example
The inexpert handling of the machine caused several mistakes.
La manipulation inexpérimentée de la machine a causé plusieurs erreurs.
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 /ɪnˈvɪdiəs/

invidious

envieux
Meaning
likely to arouse resentment, envy, or anger in others
Example
The manager's invidious remarks created tension among the employees.
Les remarques envieuses du manager ont créé des tensions parmi les employés.
C2 noun /ɪnˈsaɪzər/

incisor

incisive
Meaning
a narrow-edged tooth at the front of the mouth, adapted for cutting
Example
The dentist noted that his upper left incisor was chipped.
Le dentiste a remarqué que son incisif supérieur gauche était fissuré.
C2 adjective ˌɪn.ɪ.fɪˈkeɪ.ʃəs

inefficacious

inefficace
Meaning
Not producing any or the desired effect; ineffective.
Example
The treatment was inefficacious in curing the disease.
Le traitement a été inefficace pour guérir la maladie.
C2 adjective /ɪˈnjʊərd/

inured

habitué
Meaning
Accustomed to something, especially something unpleasant.
Example
After years of hardship, she was inured to suffering.
Après des années de souffrance, elle était habituée à la douleur.
C2 noun /ˈɪndɪkənt/

indicant

indicateur
Meaning
Something that indicates or points to a fact or condition.
Example
High fever is often an indicant of infection.
La fièvre élevée est souvent un indicateur d'infection.
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 /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 /ɪnˈkɒntɪnənt/

incontinent

incontinent
Meaning
lacking control over urination or defecation; lacking self-restraint
Example
The patient was incontinent after surgery.
Le patient était incontinent après l'opération.
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 noun /aɪər/

ire

colère, rage
Meaning
intense anger or rage
Example
The new policy provoked the ire of the employees.
La nouvelle politique a provoqué la colère des employés.
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 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 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 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 adjective /ˌɪnɪkˈspiːdiənt/

inexpedient

déconseillé
Meaning
Not advisable, suitable, or practical in the circumstances.
Example
It would be inexpedient to invest without proper research.
Il serait déconseillé d'investir sans une recherche appropriée.
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 /ɪnˈsɪnəˌreɪt/

incinerate

incinérer
Meaning
to burn something completely until it is reduced to ashes
Example
The city decided to incinerate the medical waste for safety.
La ville a décidé d'incinérer les déchets médicaux pour des raisons de sécurité.
C2 noun /ɪmˌpɜːrtərbəˈbɪləti/

imperturbability

imperturbabilité
Meaning
The quality of being calm and not easily disturbed or upset.
Example
Her imperturbability during the crisis impressed everyone.
Son imperturbabilité pendant la crise a impressionné tout le monde.
C2 noun /ˌɪntərˈlɒkjətər/

interlocutor

interlocuteur
Meaning
a person who takes part in a conversation or dialogue
Example
She was a skilled interlocutor during the debate.
Elle était une interlocutrice habile pendant le débat.
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 noun /ˌaɪ.diˈeɪ.ʃən/

ideation

Le processus de création et de développement de nouvelles idées ou concepts par la pensée créative et le brainstorming.
Meaning
The process of forming and developing new ideas or concepts through creative thinking and brainstorming.
Example
The team engaged in ideation sessions to generate new product ideas.
L'équipe a participé à des sessions de génération d'idées pour créer de nouvelles idées de produits.
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 /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 verb /ɪnˈsteɪt/

instate

installer
Meaning
To set up in position, office, or authority.
Example
The board decided to instate her as the new director.
Le conseil a décidé de l'instaurer en tant que nouveau directeur.
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 /ˈɪkθiəˌsɔːrz/

ichthyosaurs

ichtyosaures (un type de reptile marin éteint)
Meaning
Extinct marine reptiles that resembled fish and dolphins, dominant during the Mesozoic era.
Example
Ichthyosaurs were swift predators of the ancient seas.
Les ichtyosaures étaient des prédateurs rapides des mers anciennes.
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.
C2 adjective /ˌɪnɔːˈspɪʃəs/

Inauspicious

néfaste
Meaning
unlucky; showing signs that future success is unlikely; unfavorable
Example
The dark clouds seemed inauspicious for the wedding.
Les nuages sombres semblaient néfastes pour le mariage.
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 /ˌɪrɪˈfrændʒɪbəl/

irrefrangible

irréfragable
Meaning
Not to be broken, violated, or infringed
Example
The constitution guarantees certain irrefrangible rights to every citizen.
La constitution garantit certains droits irréfragables à chaque citoyen.
C2 noun /ɪnˌtɛl.ɪˈdʒɛntsi.ə/

intelligentsia

intelligentsia
Meaning
The group of people engaged in intellectual and cultural pursuits in a society.
Example
The intelligentsia played a key role in shaping public opinion.
L'intelligentsia a joué un rôle clé dans la formation de l'opinion publique.
C2 adjective /ˌaɪ.kə.nəˈklæs.tɪk/

iconoclastic

Caractérisé par l'attaque ou le rejet des croyances, des traditions ou des valeurs établies.
Meaning
Characterized by attacking or rejecting cherished beliefs, traditions, or established values.
Example
Her iconoclastic views challenged the conventional wisdom of the industry.
Ses vues iconoclastes ont défié la sagesse conventionnelle de l'industrie.
C2 adjective /ˌɪn.trəˈsɛl.jʊ.lər/

intracellular

à l'intérieur de la cellule
Meaning
Located or occurring within a cell.
Example
The drug works by targeting intracellular bacteria.
Le médicament agit en ciblant les bactéries intracellulaires.
C2 verb /ˈɪŋkʌlpeɪt/

inculpate

accuser
Meaning
To blame or accuse someone of wrongdoing.
Example
The evidence seemed to inculpate the suspect in the crime.
Les preuves semblaient accuser le suspect dans le crime.
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 /ɪnˈkɒŋɡruənt/

incongruent

incongruente
Meaning
Not in harmony or keeping with the surroundings or other aspects.
Example
His casual outfit looked incongruent at the formal dinner.
Sa tenue décontractée semblait incongruente lors du dîner formel.
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.
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 /ˌɪnkənˈsɪdərəbl/

inconsiderable

insignifiant
Meaning
Too small or unimportant to be worth considering.
Example
The donation was not inconsiderable, though smaller than expected.
La donation n'était pas insignifiante, bien qu'elle fût plus petite que prévu.
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 /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 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 verb /ɪmˈpjuːn/

impugn

contester la vérité, la validité ou l'honnêteté d'une déclaration ou d'un motif
Meaning
to dispute the truth, validity, or honesty of a statement or motive
Example
The lawyer tried to impugn the credibility of the witness.
L'avocat a essayé de contester la crédibilité du témoin.
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 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 /ɪnˈɡreɪʃiˌeɪtɪŋ/

ingratiating

flatteur
Meaning
Charming or flattering in a way intended to gain favor.
Example
His ingratiating smile made everyone trust him quickly.
Son sourire flatteur a fait en sorte que tout le monde lui fasse rapidement confiance.
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 /ˌɪndɪˈfætɪɡəbl̩/

indefatigable

inébranlable
Meaning
persisting tirelessly; incapable of being fatigued
Example
Her indefatigable spirit kept the team motivated during the long project.
Son esprit inébranlable a gardé l'équipe motivée pendant le long projet.
C2 noun /ɪmp/

imp

petit diablotin espiègle
Meaning
a small mischievous devil or sprite; a playful troublemaker
Example
The child was acting like a little imp, hiding his toys everywhere.
L'enfant agissait comme un petit diablotin, cachant ses jouets partout.
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 /ɪnˈɛk.wɪ.tə.bəl/

inequitable

inéquitable
Meaning
Not fair or just; lacking in fairness or equality.
Example
The distribution of resources was inequitable among the workers.
La distribution des ressources était inéquitable parmi les travailleurs.
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 noun /ɪnˈvaɪtər/

invitor

invitant
Meaning
a person who invites someone to an event, meeting, or place
Example
The invitor greeted all the guests warmly at the entrance.
L’invitant a accueilli les invités à l’entrée.
C2 noun /ˌɪntərˈsɛsər/

intercessor

intercesseur
Meaning
a person who intervenes or pleads on behalf of another
Example
He acted as an intercessor to resolve the conflict between the two families.
Il a agi en tant qu'intercesseur pour résoudre le conflit entre les deux familles.
C2 noun /ɪmˈpʌlʃən/

impulsion

impulsion
Meaning
a strong urge or drive to act; the act of impelling
Example
His impulsion to travel made him leave his job suddenly.
Son impulsion de voyager l'a poussé à quitter son travail soudainement.
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 /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 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 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 noun /ɪnˈvɛktɪv/

invective

langage injurieux
Meaning
Insulting, abusive, or highly critical language.
Example
The politician’s speech was filled with invective against his opponents.
Le discours du politicien était rempli d'invectives contre ses adversaires.
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 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 verb /aɪˈtɪnəˌreɪt/

itinerate

itinerer
Meaning
To travel from place to place, usually for the purpose of work or preaching.
Example
The missionary itinerated throughout the region to spread the message.
Le missionnaire a voyagé dans toute la région pour répandre le message.
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 adjective /ɪnˈsuːsiənt/

insouciant

insouciant
Meaning
Showing a casual lack of concern; carefree.
Example
He gave an insouciant shrug and walked away.
Il a haussé les épaules de manière insouciante et est parti.
C2 adjective /ˌɪnkænˈdɛsənt/

incandescent

incandescent
Meaning
emitting light as a result of being heated; extremely bright or passionate
Example
The incandescent lamp lit up the entire hall.
La lampe incandescente a éclairé toute la salle.
C2 verb /aɪˈdɒləˌtraɪz/

idolatrize

idolâtrer
Meaning
To worship idols; to regard with excessive devotion or admiration.
Example
They began to idolatrize the statue as a deity.
Ils ont commencé à idolâtrer la statue comme une divinité.
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 /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 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.
C2 noun /ˌɪnsəˈrɛkʃən/

insurrection

insurrection
Meaning
A violent uprising against an authority or government.
Example
The army was called in to suppress the insurrection.
L'armée a été appelée pour réprimer l'insurrection.
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 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 /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.
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 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 adjective /ˌɪnkəmˈbʌstəbl/

incombustible

incombustible
Meaning
Not capable of catching fire or burning.
Example
This material is incombustible and safe for construction.
Ce matériau est incombustible et sûr pour la construction.
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 /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 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 verb /ɪnˈtɜːr/

inter

enterrer
Meaning
To bury a dead body in the ground.
Example
They decided to inter the soldier with full honors.
Ils ont décidé d'enterrer le soldat avec tous les honneurs.
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 /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 /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 /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.