intriguing
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B2 adjective /ɪnˈtriːɡɪŋ/

intriguing

très intéressant et inhabituel ; éveillant la curiosité
Meaning
very interesting and unusual; arousing curiosity
Example
The movie has an intriguing plot that keeps the audience hooked.
Le film a un scénario intrigant qui captive le public.
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 noun /aɪˈoʊtə/

iota

une quantité infime
Meaning
An extremely small amount.
Example
He did not show an iota of fear.
Il n'a montré même pas une infime quantité de peur.
A2 noun /ˈɪlnəs/

illness

maladie
Meaning
A condition of being unwell or suffering from a disease.
Example
She missed school due to a serious illness.
Elle a manqué l'école à cause d'une grave maladie.
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.
B2 noun ˌɪr.ɪˈɡeɪ.ʃən

irrigation

irrigation
Meaning
The artificial application of water to land or soil.
Example
Irrigation systems improve crop yields in dry regions.
Les systèmes d'irrigation améliorent les rendements des cultures dans les régions sèches.
A2 adjective, noun /ɪˈtæliən/

italian

bonheur
Meaning
relating to Italy, its people, or its language; a person from Italy
Example
She loves Italian food.
Elle n'a pas pu cacher son bonheur lorsqu'elle a reçu le prix.
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.
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.
B2 noun /ɪnˈfɪnɪti/

infinity

infini
Meaning
A concept describing something without any limit or end.
Example
The universe seems to stretch into infinity.
L'univers semble s'étendre à l'infini.
C1 noun ˌɪnsjʊˈleɪʃən

insulation

isolation
Meaning
Material used to prevent heat, sound, or electricity from being transmitted from one area to another.
Example
Insulation of food storage areas can prevent pests from entering.
L'isolation des zones de stockage des aliments peut empêcher les nuisibles d'entrer.
B1 adjective /ˈɪrɪteɪtɪŋ/

irritating

irritant
Meaning
causing annoyance, impatience, or mild anger
Example
The constant noise from the street is extremely irritating.
Le bruit constant de la rue est extrêmement irritant.
C1 verb ɪmˈbjuː

Imbue

Mélanger une idée ou un sentiment profondément dans l'esprit de quelqu'un
Meaning
Mixing some idea or feeling deeply into someone's mind
Example
The teacher tried to imbue students with a love for learning.
L'enseignant a essayé d'inculquer aux élèves un amour de l'apprentissage.
C1 adjective /ɪˈræʃənəl/

irrational

irrationnel
Meaning
not logical or reasonable; lacking clear thought
Example
His fear of the dark was completely irrational.
Sa peur de l'obscurité était complètement irrationnelle.
C2 noun /ɪˈrɛvərəns/

irreverence

irrévérence
Meaning
a lack of respect for people or things that are generally taken seriously
Example
His jokes about religion showed irreverence to the sacred traditions.
Ses blagues sur la religion ont montré de l'irrévérence envers les traditions sacrées.
A2 preposition /ɪnˈkluːdɪŋ/

including

y compris
Meaning
used to show that someone or something is part of a larger group
Example
Many people attended the event, including students and teachers.
Beaucoup de personnes ont assisté à l'événement, y compris des étudiants et des enseignants.
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 /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.
B2 adjective /ɪˈlɪt.ər.ət/

Illiterate

analphabète; illettré; ignorants
Meaning
unable to read or write; lacking education
Example
The program aims to help illiterate adults learn to read and write.
Le programme vise à aider les adultes illettrés à apprendre à lire et à écrire.
B2 noun /ˈɪnvənˌtɔːri/

inventory

inventaire
Meaning
A complete list of items, such as goods in stock or property.
Example
The shopkeeper checked the inventory before opening the store.
Le commerçant a vérifié l'inventaire avant d'ouvrir le magasin.
C1 noun /ɪnˈdjuːsmənt/

inducement

incitation
Meaning
something that persuades or encourages someone to do something
Example
The company offered a bonus as an inducement to employees.
L'entreprise a offert une prime comme incitation aux employés.
C1 verb /ɪnˈtɒksɪkeɪt/

intoxicate

bonheur
Meaning
to make someone lose control of their faculties or behavior due to alcohol or drugs
Example
The strong drink quickly intoxicated him.
Elle n'a pas pu cacher son bonheur lorsqu'elle a reçu le prix.
C2 verb /ɪnˈdʒɛst/

ingest

ingérer
Meaning
To take food, drink, or another substance into the body, usually by swallowing.
Example
The patient must ingest the medicine with water.
Le patient doit ingérer le médicament avec de l'eau.
B2 noun /ˈɪɡ.nər.əns/

Ignorance

ignorance
Meaning
lack of knowledge or information; the state of being uninformed about something
Example
His ignorance about basic computer skills made it difficult for him to find a job.
Son ignorance des compétences informatiques de base a rendu difficile pour lui de trouver un emploi.
C2 noun /ɪmˈpruː.dəns/

Imprudence

imprudence; négligence; témérité
Meaning
the quality of being imprudent; lack of care for consequences; recklessness
Example
His financial imprudence led to bankruptcy within just two years.
Son imprudence financière a conduit à la faillite en seulement deux ans.
A1 preposition /ɪn ˈfrʌnt əv/

in front of

devant
Meaning
positioned before or ahead of something; facing or located at the forward side of a person or object
Example
She stood in front of the building.
Elle se tenait devant le bâtiment.
B1 noun ˌɪnspɪˈreɪʃən

inspiration

inspiration
Meaning
The process of being mentally stimulated to do or feel something, especially to do something creative.
Example
His journey to success became an inspiration for many.
Son voyage vers le succès est devenu une inspiration pour beaucoup.
B2 adjective /ɪnˈsɛnsətɪv/

insensitive

insensible
Meaning
Showing or feeling no concern for others' feelings.
Example
His insensitive comment hurt her deeply.
Son commentaire insensible l'a profondément blessée.
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 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 /ˈɪl bred/

Ill-bred

mal eleve
Meaning
lacking good manners; rude; showing poor upbringing
Example
His ill-bred behavior shocked everyone at the dinner party.
His ill-bred behavior shocked everyone at the dinner party.
C1 noun ˌɪntədɪˈpɛndənsi

interdependency

interdépendance
Meaning
The dependence of two or more people or things on each other.
Example
The interdependency of the countries led to greater cooperation.
L'interdépendance des pays a conduit à une coopération accrue.
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.
C1 adjective /ɪmˈpɛndɪŋ/

impending

imminent
Meaning
about to happen soon, usually something unpleasant or threatening
Example
The villagers were worried about the impending flood.
Les villageois étaient inquiets de l'inondation imminente.
C1 noun /ˌɪn.dɪˈsɪʒ.ən/

Indecision

indécision; hésitation; doute
Meaning
the inability to make decisions quickly; uncertainty about what to do
Example
Her indecision about which job offer to accept caused her to miss both opportunities.
Son indécision sur quelle offre d'emploi accepter l'a conduite à manquer les deux opportunités.
C1 adjective /ɪnˈses.ənt/

incessant

incessant
Meaning
Continuing without pause or interruption; constant.
Example
The incessant noise from the construction site made it hard to concentrate.
Le bruit incessant du chantier rendait la concentration difficile.
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 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.
B2 adjective /ˌɪntərˈmiːdiət/

intermediate

intermédiaire
Meaning
Coming between two things in time, place, or order; in the middle level or stage.
Example
She is taking an intermediate-level French course.
Elle suit un cours de français de niveau intermédiaire.
C1 adjective /ˈɪndɪɡoʊ bluː/

Indigo-blue

bleu indigo
Meaning
a deep blue color with a purplish tinge
Example
The indigo-blue sky looked magnificent at twilight.
Le ciel bleu indigo semblait magnifique au crépuscule.
C2 adverb /ˈaɪsɪli/

icily

glacialement
Meaning
In a very cold, unfriendly, or hostile manner.
Example
She replied icily to his question.
Elle a répondu glaciellement à sa question.
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 /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 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.
C1 adjective /ɪnˈvæljʊəbl/

invaluable

inestimable
Meaning
Extremely useful or indispensable.
Example
Her advice proved invaluable to my success.
Son conseil s'est avéré inestimable pour mon succès.
C1 adjective /ɪnˈveɪsɪv/

invasive

invasif
Meaning
Tending to spread harmfully, intruding aggressively, or encroaching beyond proper boundaries.
Example
The doctor explained that the procedure was minimally invasive.
Le médecin a expliqué que la procédure était peu invasive.
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.
C1 adjective /ɪnˈvɛntɪv/

inventive

inventif
Meaning
Having the ability to create or design new things or to think originally.
Example
The inventor was known for his inventive solutions to everyday problems.
L'inventeur était connu pour ses solutions inventives aux problèmes quotidiens.
C1 noun ˌɪrɪˈvɜːrsəbl ˈdæmɪdʒ

irreversible damage

dommages irréversibles
Meaning
Harm or injury that cannot be undone or repaired.
Example
Climate change causes irreversible damage to ecosystems.
Le changement climatique cause des dommages irréversibles aux écosystèmes.
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 verb /ˌɪntəˈsɛkt/

intersect

croiser
Meaning
to cross or pass through each other
Example
The two roads intersect at the city center.
Les deux routes se croisent au centre-ville.
A1 noun /ˈaɪs kriːm/

Ice-cream

glace
Meaning
a frozen sweet dessert made from dairy products, usually served cold
Example
Children love to eat ice-cream on hot summer days.
Les enfants adorent manger de la glace lors des chaudes journées d'été.
C2 adjective /ˌɪnkɒntrəˈvɜːtəbl/

incontrovertible

incontournable
Meaning
impossible to deny or dispute; unquestionable
Example
The evidence was incontrovertible and proved his innocence.
La preuve était incontestable et a prouvé son innocence.
C1 noun /ˌɪn.səˌbɔːr.dɪˈneɪ.ʃən/

insubordination

insubordination
Meaning
Defiance of authority; refusal to obey orders.
Example
The soldier was punished for insubordination during the mission.
Le soldat a été puni pour insubordination pendant la mission.
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 /ɪnˈdɛntʃər/

indenture

contrat d'indenture
Meaning
A formal legal agreement, contract, or document, often relating to work or service.
Example
In the 18th century, many workers came under indenture to work overseas.
Au XVIIIe siècle, de nombreux travailleurs étaient sous contrat d'indenture pour travailler à l'étranger.
C1 noun /ɪmˈpɒs.tər/

Impostor

imposteur; fraudeur
Meaning
a person who pretends to be someone else in order to deceive others; a fraud
Example
The impostor convinced everyone he was a doctor until his fake credentials were discovered.
L'imposteur a convaincu tout le monde qu'il était un médecin jusqu'à ce que ses faux diplômes soient découverts.
C1 adjective /ɪmˈpɛn.ɪ.trə.bəl/

impenetrable

impénétrable
Meaning
Impossible to pass through or enter; impossible to understand.
Example
The dense forest was nearly impenetrable.
La forêt dense était presque impénétrable.
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.
C1 verb /ɪˈnɔːɡjʊreɪt/

inaugurate

inaugurer
Meaning
To formally begin or introduce something, especially with a ceremony.
Example
The mayor will inaugurate the new bridge tomorrow.
Le maire inaugurera le nouveau pont demain.
B2 noun /ˈɪnstɪŋkt/

instinct

instinct
Meaning
A natural way of behaving or reacting that does not require learning.
Example
Birds build nests by instinct.
Les oiseaux construisent leurs nids par instinct.
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.
C1 noun (plural) /ˈɪndɪˌsiːz/

indices

indices
Meaning
plural form of index; statistical measures or reference points used for comparison
Example
Stock market indices fell sharply after the announcement.
Les indices du marché boursier ont chuté fortement après l'annonce.
C1 verb /ˈɪtəreɪt/

iterate

itérer
Meaning
To repeat a process or statement, often to improve or refine.
Example
The software team will iterate the design until it meets user needs.
L'équipe de développement itérera la conception jusqu'à ce qu'elle réponde aux besoins des utilisateurs.
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.
C1 noun ˌɪnfrəˈstrʌktʃərəl dɪˈveləpmənt

infrastructural development

développement infrastructurel
Meaning
The process of building and improving the basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
Example
Infrastructural development is necessary for efficient recycling.
Le développement infrastructurel est nécessaire pour un recyclage efficace.
A2 verb /ɪmˈpruːv/

improve

améliorer
Meaning
to make or become better; to enhance quality or condition
Example
Practice helps improve your skills.
La pratique aide à améliorer vos compétences.
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 adverb /ɪnˈdjuːbɪtəbli/

indubitably

indubitablement
Meaning
Without a doubt; certainly.
Example
She is indubitably the best candidate for the job.
Elle est indubitablement la meilleure candidate pour le poste.
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 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.
A2 noun /ˈaɪtəm/

item

élément
Meaning
A single thing, object, or unit, often part of a list or collection.
Example
Each item on the list must be checked carefully.
Chaque élément de la liste doit être vérifié attentivement.
C1 noun /ɪnˈsɜːrdʒəns/

insurgence

insurrection
Meaning
An act of rebellion or uprising against authority.
Example
The government struggled to contain the growing insurgence.
Le gouvernement a eu du mal à contenir l'insurrection croissante.
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.
C1 adjective /ˈɜːrksəm/

irksome

énervant
Meaning
annoying or irritating
Example
Waiting in a long line is one of the most irksome tasks.
Attendre dans une longue file est l'une des tâches les plus énervantes.
B1 adjective /ɪnˈvɑːlvd/

involved

impliqué
Meaning
complicated or engaged in something
Example
She was deeply involved in community service.
Elle était profondément impliquée dans le service communautaire.
B1 adjective /ɪmˈpruːvd/

improved

amélioré
Meaning
made better or enhanced in quality or condition
Example
Her health has significantly improved since last month.
Sa santé s'est considérablement améliorée depuis le mois dernier.
C1 noun /ˌɪrɪˌspɒnsəˈbɪləti/

irresponsibility

irresponsabilité
Meaning
lack of responsibility or accountability; failure to act in a reliable or sensible way
Example
The accident was caused by his irresponsibility at work.
L'accident a été causé par son irresponsabilité au travail.
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 /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.
C1 adjective /ɪˈmeʒərəbəl/

Immeasurable

incommensurable
Meaning
too large or extensive to measure; boundless
Example
The immeasurable love of a mother knows no bounds.
L'amour incommensurable d'une mère ne connaît aucune limite.
C2 noun /ɪnˈtɛstəsi/

intestacy

décès sans testament
Meaning
The condition of dying without having made a valid will.
Example
His estate was divided according to the laws of intestacy.
Sa succession a été divisée selon les lois de l'intestat.
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.
B2 adjective /ɪmˈpɪəriəl/

imperial

impérial
Meaning
Relating to an empire or emperor; having supreme authority.
Example
The imperial palace was a symbol of the emperor's power.
Le palais impérial était un symbole du pouvoir de l'empereur.
C2 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.
C1 adjective /ˌɪndɪˈskrɪmɪnət/

indiscriminate

indiscriminé
Meaning
Done without careful judgment; random or haphazard.
Example
The indiscriminate use of pesticides harms the environment.
L'utilisation indiscriminée de pesticides nuit à l'environnement.
A2 noun /ɪmˈpɔːtəns/

importance

importance
Meaning
The quality or state of being important; consequence or significance.
Example
The importance of time management cannot be overstated.
L'importance de la gestion du temps ne peut être surestimée.
C1 adjective /ˌɪmprɪˈsaɪs/

imprecise

imprécis
Meaning
Not exact or accurate; vague.
Example
His explanation was too imprecise to be helpful.
Son explication était trop imprécise pour être utile.
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.
B2 noun ˌɪnɪˈkwɒlɪti

inequality

inégalité
Meaning
Difference in size, degree, circumstances, etc.; lack of equality.
Example
The theme of inequality is prominent throughout the story.
Le thème de l'inégalité est important tout au long de l'histoire.
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 noun /ˌɪnkwɪˈzɪʃən/

inquisition

inquisition
Meaning
A prolonged and intense questioning or investigation, often harsh in nature.
Example
The journalist faced an inquisition from the panel about his sources.
Le journaliste a fait face à une inquisition de la part du panel sur ses sources.
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 adjective /ɪnˈfɜːm/

infirm

fragile
Meaning
Weak, especially due to old age or illness.
Example
The infirm old man needed assistance to walk.
L'homme âgé et fragile avait besoin d'aide pour marcher.
C1 adjective ɪˈluː.sər.i

illusory

illusoire
Meaning
Based on illusion; not real although seeming to be.
Example
His sense of security was entirely illusory.
Son sentiment de sécurité était entièrement illusoire.
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 /ɪnˈsuːsiəns/

insouciance

insouciance
Meaning
Casual lack of concern; indifference.
Example
She carried herself with an air of insouciance, unbothered by the challenges ahead.
Elle marchait avec un air d'insouciance, sans se soucier des défis à venir.
B1 adverb /ɪnˈkrɛdɪbli/

incredibly

incroyablement
Meaning
to a great degree; extremely or unbelievably
Example
The view from the top of the mountain was incredibly beautiful.
La vue du sommet de la montagne était incroyablement belle.
C1 noun /ˈɪtʃ.i.nəs/

itchiness

démangeaison
Meaning
The quality or condition of feeling an irritating sensation on the skin that causes a desire to scratch.
Example
Eye itchiness often leads to rubbing.
Les démangeaisons oculaires entraînent souvent des frottements.
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 noun /ɪnˈdaɪtmənt/

indictment

acte d'accusation
Meaning
a formal charge or accusation of a serious crime
Example
The indictment accused the company of multiple violations.
L'acte d'accusation a accusé l'entreprise de multiples violations.
A2 verb /ɪˈmædʒɪn/

imagine

imaginer
Meaning
to form a mental image of; to believe something unreal to be true
Example
Can you imagine living in a different country?
Peux-tu imaginer vivre dans un autre pays?
B2 adjective ˈɪn.tɪ.ɡrəl

integral

intégral
Meaning
Necessary to make a complete whole; essential or fundamental.
Example
Exercise is an integral part of a healthy lifestyle.
L'exercice est une partie intégrante d'un mode de vie sain.
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.
B1 noun ˈɪmpækt

impact

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

intelligent

intelligent
Meaning
Having or showing high mental capacity, quick to learn and understand.
Example
She is one of the most intelligent students in the class.
Elle est l'une des étudiantes les plus intelligentes de la classe.
C1 noun /ˌɪn.trəˈvɜːr.ʒən/

introversion

introversion
Meaning
The tendency to be inward-looking and shy, preferring solitary activities.
Example
Her introversion made it difficult for her to enjoy large parties.
Son introversion rendait difficile pour elle de profiter des grandes fêtes.
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.
B2 verb ˈɪmplɪmentɪd

implemented

mis en œuvre
Meaning
Put a decision or plan into effect; carried out or executed.
Example
The master plans were partially implemented.
Les plans principaux ont été partiellement mis en œuvre.
C1 verb /ɪˈluːmɪneɪt/

illuminate

illuminer
Meaning
To light up or make something clearer.
Example
Streetlights illuminate the road at night.
Les réverbères illuminent la route la nuit.
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.
B1 noun ɪnˈtel.ɪ.dʒəns

intelligence

intelligence
Meaning
The ability to learn, understand, and think in a logical way about things
Example
Intelligence is key in AI development.
L'intelligence est la clé du développement de l'IA.
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.
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 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 adjective /ˌɪndaɪˈdʒestəbəl/

Indigestible

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

insinuate

insinuer
Meaning
To suggest or hint something indirectly and often unpleasantly.
Example
He insinuated that she had lied about her qualifications.
Il a insinué qu'elle avait menti sur ses qualifications.
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.
C1 adjective /ˌɪnkəmˈpætəbl/

incompatible

incompatible
Meaning
Not able to exist or work together without conflict.
Example
Their personalities were completely incompatible.
Leurs personnalités étaient complètement incompatibles.
C1 adjective /ˌɪnkənˈsiːvəbl̩/

inconceivable

inconcevable
Meaning
Impossible to imagine or believe; beyond comprehension.
Example
It seemed inconceivable that she could finish the marathon after such little training.
Il semblait inconcevable qu'elle puisse finir le marathon après si peu d'entraînement.
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.