itinerant
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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 verb /ɪnˈɡreɪʃiˌeɪt/

ingratiate

se faire bien voir
Meaning
To gain favor or approval by deliberate effort, often in a flattering way.
Example
She tried to ingratiate herself with her boss by complimenting him often.
Elle a essayé de s'ingratiser auprès de son patron en le complimentant souvent.
C2 verb /ˈɪməleɪt/

immolate

immoler
Meaning
To kill or sacrifice, especially by burning.
Example
The protesters threatened to immolate themselves in front of the building.
Les manifestants ont menacé de s'immoler devant le bâtiment.
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 /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 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 /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 /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 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 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 /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.
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 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 /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 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 adjective /ˌɪnsəˈluːbriəs/

insalubrious

insalubre
Meaning
Unhealthy or not conducive to well-being.
Example
They moved out of the insalubrious neighborhood for the sake of their health.
Ils ont déménagé du quartier insalubre pour leur santé
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 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 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 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.
C2 adjective /ɪnˈtræn.sɪ.dʒənt/

intransigent

intransigeant, têtu, obstiné
Meaning
Unwilling or refusing to change one's views or to agree about something.
Example
His intransigent stance delayed the agreement.
Son attitude intransigeante a retardé l'accord.
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 (compound/erroneous entry) /ɪnˈɛksərəbl ɑːrmi/

inexorableinexorablearmy

armée imparable
Meaning
This appears to be a corrupted or concatenated form; interpreted as 'inexorable army' — an unstoppable or relentless force.
Example
The rebels feared the inexorable army approaching their stronghold.
Les rebelles craignaient l'armée imparable qui approchait de leur bastion.
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 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 /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 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.
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 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 /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 /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 /ɪˈmɒdəsti/

immodesty

immodestie
Meaning
lack of modesty or decency; behavior or attitude that is overly bold or improper
Example
The article was criticized for its tone of immodesty.
L’article a été critiqué pour son ton d’immodestie.
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 /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 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 /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 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 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.
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 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 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 verb /ˌɪn.trəˈmɪt/

intromit

introduire
Meaning
To insert or introduce something into a place or body.
Example
The doctor carefully intromitted the instrument into the wound.
Le médecin a introduit soigneusement l'instrument dans la plaie.
C2 noun /ɪkˈsɔːr.ə/

Ixora

ixora
Meaning
a tropical flowering shrub with clusters of small bright red, orange, or yellow flowers
Example
The bright red ixora bushes lined the pathway to the tropical garden.
Les buissons d'ixora rouges brillants bordaient le chemin menant au jardin tropical.
C2 verb /ɪmˈpjuːt/

impute

imputer
Meaning
to attribute a fault or responsibility to someone
Example
They imputed the company's success to good leadership.
Ils ont imputé le succès de l'entreprise à un bon leadership.
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 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 /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 verb /ˈɪmprɪkeɪt/

imprecate

imprécation
Meaning
To utter a curse or invoke evil upon someone.
Example
The old woman imprecated her enemies with dark words.
La vieille femme a impréqué ses ennemis avec des mots sombres.
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 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 /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 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 /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 /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 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 adjective ɪnˈfiː.zə.bəl

infeasible

infaisable
Meaning
Not possible to do easily or conveniently; impracticable.
Example
Restoring the forest may become infeasible if destruction continues.
Restaurer la forêt peut devenir infaisable si la destruction continue.
C2 adjective /ɪˈrɛfrəɡəbəl/

irrefragable

irréfutable
Meaning
Impossible to refute, deny, or break
Example
The lawyer presented irrefragable evidence that proved his client’s innocence.
L'avocat a présenté des preuves irréfutables qui ont prouvé l'innocence de son client.
C2 adjective /ɪnˈvaɪələt/

inviolate

inviolé
Meaning
free from violation, injury, or desecration; kept safe and untouched
Example
The ancient temple remained inviolate for centuries.
Le temple ancien est resté inviolé pendant des siècles.
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 adjective /ɪnˈɛksərəbl/

inexorable

inexorable
Meaning
Impossible to stop or prevent; relentless.
Example
The inexorable rise of technology is changing every aspect of life.
La montée inexorable de la technologie change chaque aspect de la vie.
C2 noun /ˌɪnvəˈluːʃən/

involution

involution
Meaning
a complicated or intricate form or state; in biology, the shrinking of an organ after its function has finished
Example
The story was full of involution, making it hard to follow.
L'histoire était pleine d'involution, ce qui la rendait difficile à suivre.
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 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 /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 /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 /ˌɪrɪˈlɪdʒəs/

irreligious

irréligieux
Meaning
Indifferent or hostile to religion
Example
Some people in the community consider him irreligious because he never attends religious services.
Certaines personnes dans la communauté le considèrent comme irréligieux car il ne va jamais aux services religieux.
C2 adjective /ˌɪnkəˈməʊdiəs/

incommodious

incommode
Meaning
Uncomfortably small, cramped, or inconvenient.
Example
We had to stay in an incommodious room during the trip.
Nous avons dû rester dans une chambre inconfortable pendant le voyage.
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 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.
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 /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 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.
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 /ˈænʒənuː/

ingenue

jeune innocente
Meaning
an innocent, naïve young woman, especially as represented in literature or theater
Example
She played the role of the ingénue in the play with great charm.
Elle a joué le rôle de la jeune innocente dans la pièce avec beaucoup de charme.
C2 adjective /ˌɪndɪˈtɜːrmənət/

indeterminate

indéterminé
Meaning
Not exactly known, defined, or established; vague or uncertain.
Example
The project was delayed for an indeterminate amount of time.
Le projet a été retardé pour une période indéterminée.
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 /ˌɪndɪˈsɒljʊbl/

indissoluble

Indissoluble
Meaning
Unable to be destroyed, broken, or dissolved.
Example
Marriage was once considered an indissoluble bond.
Le mariage était autrefois considéré comme un lien indissoluble.
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 /ˌɪn.trəˈɡreʃ.ən/

introgression

introgression génétique
Meaning
The transfer of genetic information from one species to another through repeated backcrossing.
Example
Introgression plays a significant role in plant breeding.
L'introgression joue un rôle important dans la reproduction des plantes.
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 /ɪnˈeɪliənəbl/

inalienable

inaliénable
Meaning
Unable to be taken away or transferred; absolute and permanent.
Example
Freedom of speech is an inalienable right.
La liberté d'expression est un droit inaliénable.
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 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 /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 adjective /ˌɪlˈneɪ.tʃəd/

ill-natured

de mauvaise nature
Meaning
Having a bad or unpleasant character; unkind or malicious.
Example
He made an ill-natured remark about his colleague.
Il a fait une remarque de mauvaise nature à propos de son collègue.
C2 adjective /ˌɪntəˈrɒɡətəri/

interrogatory

interrogatif
Meaning
expressed in the form of a question; relating to questioning
Example
The lawyer’s interrogatory tone made the witness uncomfortable.
Le ton interrogatif de l'avocat a rendu le témoin mal à l'aise.
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 /ɪnˈdɛkərəs/

indecorous

indécent
Meaning
Not in keeping with good taste and propriety; improper.
Example
His indecorous behavior shocked the audience.
Son comportement indécent a choqué l'audience.
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 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.
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 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 /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 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 /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 /ɪnˈɛstɪməbl/

inestimable

inestimable
Meaning
Too great or valuable to be measured or estimated.
Example
Her contribution to the project was of inestimable value.
Sa contribution au projet avait une valeur inestimable.
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 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 /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 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 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 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 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 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 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 /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 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 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 /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 noun /ˌɪntərˈrɛɡnəm/

interregnum

interrègne
Meaning
A period between rulers or governments when normal leadership is suspended.
Example
The country faced instability during the interregnum after the king’s death.
Le pays a connu de l’instabilité pendant l’interrègne après la mort du roi.
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 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 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.
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 /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 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 adjective /ˌɪntərˈlɒkjətəri/

interlocutory

provisoire
Meaning
Given during the course of a legal action, not final but temporary or provisional.
Example
The judge issued an interlocutory order to maintain the status quo until the hearing.
Le juge a émis une ordonnance provisoire pour maintenir le statu quo jusqu'à l'audience.
C2 adjective /ˌɪməˈmɔːriəl/

immemorial

immémorial
Meaning
Extending back beyond memory or record; ancient.
Example
The tradition has been followed since time immemorial.
La tradition est suivie depuis des temps immémoriaux.
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 /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 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.