inappropriate
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B2 adjective /ˌɪnəˈproʊpriət/

inappropriate

inapproprié
Meaning
not suitable or proper in the circumstances
Example
It was inappropriate to talk loudly in the library.
Il était inapproprié de parler fort dans la bibliothèque.
B1 noun ɪnˈvestmənt

investment

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

interplay

interaction
Meaning
The way in which two or more things have an effect on each other.
Example
The interplay between culture and technology shapes modern life.
L'interaction entre la culture et la technologie façonne la vie moderne.
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.
C1 adjective /ɪmˈpæsəbəl/

impassable

impraticable
Meaning
Impossible to travel along or over.
Example
The road became impassable after the heavy snowfall.
La route est devenue impraticable après la forte neige.
C1 noun /ɪmˈprɪzənmənt/

imprisonment

emprisonnement
Meaning
the act of putting someone in prison; the state of being confined as punishment
Example
He faced imprisonment for violating the court order.
Il a fait face à l'emprisonnement pour avoir violé l'ordre du tribunal.
C2 adjective /ɪnˈdjuːbɪtəbl/

indubitable

indubitable
Meaning
Impossible to doubt; unquestionable.
Example
It is indubitable that hard work leads to success.
Il est indubitable que le travail acharné mène au succès.
C1 verb ɪˈnɪʃɪeɪtɪd

initiated

initié
Meaning
Caused a process or action to begin; started something.
Example
The project was initiated to enhance marine biodiversity.
Le projet a été initié pour améliorer la biodiversité marine.
B2 noun ˌɪn.fləˈmeɪ.ʃən

inflammation

inflammation
Meaning
A localized physical condition in which part of the body becomes reddened, swollen, hot, and often painful.
Example
Chronic inflammation can lead to severe diseases.
L'inflammation chronique peut entraîner des maladies graves.
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.
B2 noun /ɪsˈlɑːm/

islam

religion islamique
Meaning
the religion founded by the Prophet Muhammad, based on belief in one God (Allah)
Example
Islam emphasizes peace, justice, and compassion.
L'Islam met l'accent sur la paix, la justice et la compassion.
B2 noun ɪnˌdʌstrɪəlaɪˈzeɪʃən

industrialization

industrialisation
Meaning
The development of industries in a country or region on a wide scale.
Example
Industrialization changed the global economy dramatically.
L'industrialisation a radicalement changé l'économie mondiale.
B2 noun /ɪnˈtɪəriər/

interior

intérieur
Meaning
the inside part of something; inner area of a place or object
Example
The interior of the hotel was beautifully decorated.
L'intérieur de l'hôtel était magnifiquement décoré.
C1 verb /ˈɪnfɪltreɪt/

infiltrate

infiltrer
Meaning
to secretly enter or gain access to a place or group
Example
The spies managed to infiltrate the enemy base.
Les espions ont réussi à infiltrer la base ennemie.
C1 verb /ɪnˈterəˌɡeɪt/

interrogate

interroger
Meaning
to ask someone questions in a thorough and formal way; to question intensively
Example
The police interrogated the suspect for hours.
La police a interrogé le suspect pendant des heures.
C1 noun /ɪnˈædɪkwəsi/

inadequacy

insuffisance
Meaning
lack of sufficient ability, quality, or strength; a feeling of not being good enough
Example
She struggled with feelings of inadequacy at work despite her strong qualifications.
Elle luttait contre un sentiment d’insuffisance au travail malgré ses solides qualifications.
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.
B1 adjective /ɪˈliː.ɡəl/

illegal

illégal
Meaning
Not allowed by law; unlawful.
Example
It is illegal to drive without a valid license.
Il est illégal de conduire sans une licence valide.
B2 noun /aɪˈdiː/

id

pièce d'identité
Meaning
identification; a document or number used to prove who someone is
Example
Please show your ID at the entrance.
Veuillez montrer votre pièce d'identité à l'entrée.
B1 noun /ɪnˈstrʌktər/

instructor

instructeur
Meaning
A person who teaches a subject or skill.
Example
The driving instructor was very patient with new learners.
L'instructeur de conduite était très patient avec les nouveaux élèves.
B2 adverb /ˌɪndəˈrɛktli/

indirectly

indirectement
Meaning
in a way that is not direct; through an intermediate means or influence
Example
The policy affected small businesses indirectly.
La politique a affecté indirectement les petites entreprises.
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.
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.
C1 adjective /ɪmˈpjʊər/

Impure

impur
Meaning
contaminated; not clean; mixed with foreign substances
Example
The impure water caused health problems in the village.
L'eau impure a causé des problèmes de santé dans le village.
C1 adjective /ˌɪn.dɪˈspen.sə.bəl/

indispensable

indispensable
Meaning
Absolutely necessary, essential
Example
Water is indispensable for human survival.
L'eau est indispensable à la survie humaine.
C1 adjective /ˌɪnəˈtɛntɪv/

inattentive

inattentif
Meaning
not paying attention; lacking focus or concentration
Example
The inattentive student missed several important instructions.
L'étudiant inattentif a manqué plusieurs consignes importantes.
A2 noun /ˌɪn.trəˈdʌk.ʃən/

introduction

introduction
Meaning
the action of introducing something or someone; an opening or beginning part
Example
The professor gave a brief introduction before starting the lecture.
Le professeur a donné une brève introduction avant de commencer le cours.
C2 adjective /ɪmˈpɒndərəbl̩/

imponderable

impondérable
Meaning
Something difficult or impossible to estimate, assess, or understand
Example
The outcome of the election depends on many imponderable factors.
Le résultat des élections dépend de nombreux facteurs impondérables.
C1 noun ˌɪn.ɪˈfɪʃ.ən.si

inefficiency

inefficacité
Meaning
The state or quality of not achieving maximum productivity; failure to make the best use of time or resources.
Example
Government inefficiency leads to slow project completion.
L'inefficacité du gouvernement entraîne une réalisation lente du projet.
C1 verb /ɪmˈplɔːr/

implore

implorer
Meaning
To beg someone earnestly or desperately to do something.
Example
She implored him to stay with her.
Elle lui implora de rester avec elle.
B1 verb ɪnˈspaɪər

inspire

inspirer
Meaning
To fill someone with the urge or ability to do or feel something, especially creative or noble.
Example
Artemis seeks to inspire future generations.
Artemis cherche à inspirer les générations futures.
C1 adjective /ɪˈrɛvərənt/

irreverent

irrévérencieux
Meaning
showing a lack of respect for people or things that are usually respected
Example
The comedian’s irreverent jokes offended some of the audience.
Les blagues irrévérencieuses du comédien ont offensé certains membres du public.
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.
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.
C1 verb /ɪmˈpɛl/

impel

inciter
Meaning
to drive, force, or urge someone to do something
Example
Her curiosity impelled her to open the mysterious box.
Sa curiosité l'a poussée à ouvrir la boîte mystérieuse.
C1 noun /ɪnˈfɜːməri/

infirmary

infirmerie
Meaning
A hospital or place where the sick or injured are cared for.
Example
The school had an infirmary for minor injuries.
L'école avait une infirmerie pour les blessures mineures.
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.
B1 noun ɪnˈven.ʃən

invention

invention
Meaning
The action of inventing something, typically a process or device.
Example
The invention revolutionized communication.
L'invention a révolutionné la communication.
C1 adjective ˌɪn.təˈdɪs.ɪ.plɪ.nər.i

interdisciplinary

interdisciplinaire
Meaning
Relating to more than one branch of knowledge.
Example
The interdisciplinary approach in education enhances problem-solving skills.
L'approche interdisciplinaire en éducation améliore les compétences en résolution de problèmes.
C2 adjective /ˌaɪsəʊˈθɜːrməl/

isothermal

isotherme
Meaning
Having or maintaining equal or constant temperature.
Example
The experiment was conducted under isothermal conditions.
L'expérience a été réalisée dans des conditions isothermes.
C1 noun /ˈɪnflʌks/

influx

afflux
Meaning
A large arrival or flow of people or things.
Example
The city experienced an influx of tourists during the festival.
La ville a connu un afflux de touristes pendant le festival.
B2 verb /ɪnˈdjuːs/

induce

induire
Meaning
to cause or persuade someone to do something; to bring about a result
Example
The doctor induced sleep with a mild sedative.
Le médecin a induit le sommeil avec un sédatif léger.
C1 noun /ˈɪnˌmeɪt/

inmate

détenu
Meaning
a person confined to an institution such as a prison or hospital
Example
The prison has over a thousand inmates.
La prison a plus de mille détenus.
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.
C1 adjective /ɪmˈprɒmp.tjuː/

impromptu

imprévu
Meaning
Done without being planned, organized, or rehearsed; spontaneous.
Example
He gave an impromptu speech at the event.
Il a fait un discours improvisé lors de l'événement.
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.
B2 adjective /ˌɪnfluˈenʃəl/

Influential

influant; puissant
Meaning
having great influence on someone or something; powerful; persuasive
Example
She is an influential leader in the community.
C'est un leader influent dans la communauté.
C1 noun ɪnˈflɛk.ʃən

inflection

inflexion
Meaning
The change in pitch or tone of voice when speaking for emphasis.
Example
His inflection kept the audience engaged.
Son inflexion a captivé le public.
B2 verb /ɪmˈpoʊz/

impose

imposer
Meaning
to force someone to accept something; to establish or apply by authority
Example
The government imposed new taxes on luxury goods.
Le gouvernement a imposé de nouvelles taxes sur les produits de luxe.
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.
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 /ˌɪnkəˈpæsɪteɪt/

incapacitate

incapaciter
Meaning
to deprive someone or something of the ability or strength to function
Example
The severe injury incapacitated the player for the rest of the season.
La blessure grave a rendu le joueur incapable pour le reste de la saison.
C1 adjective ɪnˈkʌm.bənt

incumbent

obligatoire
Meaning
necessary for (someone) as a duty or responsibility.
Example
It is incumbent upon all citizens to obey the law.
Il est obligatoire pour tous les citoyens d'obéir à la loi.
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.
B2 adjective /ɪnˈklaɪnd/

inclined

incliné
Meaning
having a tendency or disposition toward something
Example
He is inclined to help those in need.
Il est enclin à aider ceux qui sont dans le besoin.
C2 adjective /ɪnˈklɛmɛnt/

inclement

météo inclemente
Meaning
unpleasantly cold, wet, or stormy (usually weather)
Example
The match was canceled due to inclement weather.
Le match a été annulé à cause du mauvais temps.
C1 adjective ˌɪdiəsɪnˈkrætɪk

idiosyncratic

particulier et individuel
Meaning
Relating to idiosyncrasy; peculiar or individual.
Example
His idiosyncratic behavior set him apart from his colleagues.
Son comportement idiosyncratique le distinguait de ses collègues.
A2 noun /ˈɪnfoʊ/

info

information
Meaning
information; knowledge or facts about something or someone
Example
She gave me all the info I needed for the meeting.
Elle m'a donné toutes les informations nécessaires pour la réunion.
C1 verb /ɪnˈvælɪdeɪt/

invalidate

invalider
Meaning
To make something not valid or legally acceptable.
Example
The new evidence may invalidate the previous ruling.
La nouvelle preuve pourrait invalider la décision précédente.
A1 preposition /ˈɪntuː/

into

à l'intérieur
Meaning
expressing movement or direction to the inside of something
Example
She walked into the room quietly.
Elle est entrée dans la pièce silencieusement.
B2 verb /ɪnˈsɜːrt/

insert

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

incapacity

incapacité
Meaning
the lack of ability, power, or fitness to do something
Example
His mental incapacity prevented him from making important decisions.
Son incapacité mentale l'a empêché de prendre des décisions importantes.
B2 noun ˌɪntəˈlektʃuəlz

intellectuals

intellectuels
Meaning
People possessing a highly developed intellect; scholars or academics.
Example
Intellectuals protested against the dominance.
Les intellectuels ont protesté contre la domination.
C1 verb /ɪmˈploʊd/

implode

imploser
Meaning
To collapse or burst inward violently.
Example
The old building imploded during the demolition.
Le vieux bâtiment a implosé pendant la démolition.
C1 adjective /ɪˈnɔːrdənət/

inordinate

excessif
Meaning
Excessive or unusually large in degree.
Example
She spent an inordinate amount of time on her phone.
Elle a passé un temps excessif sur son téléphone.
C2 verb /ɪnˈdaɪt/

indite

composer
Meaning
To write or compose (literary or formal works).
Example
The poet indited a heartfelt sonnet.
Le poète a composé un sonnet sincère.
C1 adjective /ɪnˈsteɪbəl/

instable

instable
Meaning
not stable; liable to change, collapse, or fail; lacking firmness or reliability
Example
The instable political situation worried foreign investors.
La situation politique instable a inquiété les investisseurs étrangers.
C1 noun /ɪˌluːmɪˈneɪʃən/

illumination

éclairage
Meaning
the act of lighting something or making something clear
Example
The street was filled with bright illumination from the lamps.
La rue était éclairée par l'éclairage brillant des lampes.
C2 adjective /ɪˈnɪm.ɪ.tə.bəl/

inimitable

inimitable
Meaning
So good or unusual as to be impossible to copy; unique.
Example
His inimitable writing style made him a literary legend.
Son style d'écriture inimitable a fait de lui une légende littéraire.
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.
C1 adjective /ɪnˈhɛrənt/

inherent

inhérent
Meaning
Existing in something as a natural, permanent, or essential quality.
Example
There are inherent risks in extreme sports.
Il existe des risques inhérents dans les sports extrêmes.
B1 verb /ɪnˈtend/

intend

avoir l'intention
Meaning
to plan or have in mind as a purpose; to mean
Example
I intend to finish this project by tomorrow.
J'ai l'intention de finir ce projet d'ici demain.
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.
A2 verb /ɪnˈkri:s/

increase

augmenter
Meaning
to become or make something larger in amount, number, or degree
Example
The company plans to increase its production this year.
L'entreprise prévoit d'augmenter sa production cette année.
C1 adjective /ɪnˈkɒmp(ə)rəbl/

incomparable

incomparable
Meaning
Without an equal in quality or excellence; matchless.
Example
The view from the mountain was incomparable.
La vue depuis la montagne était incomparable.
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.
C1 adjective /ɪmˈpoʊzɪŋ/

imposing

imposant
Meaning
having an appearance that is grand, impressive, or commanding
Example
The castle is an imposing structure overlooking the valley.
Le château est une structure imposante qui surplombe la vallée.
B2 noun /aɪˌdɛntɪfɪˈkeɪʃən/

identification

identification
Meaning
the process of recognizing or proving who or what someone or something is
Example
You need proper identification to enter the building.
Vous avez besoin d'une identification appropriée pour entrer dans le bâtiment.
B1 noun /ɪnˈstrʌkʃən/

instruction

instruction
Meaning
Detailed information telling how something should be done or operated.
Example
Please read the instruction carefully before using the machine.
Veuillez lire l'instruction attentivement avant d'utiliser la machine.
C1 noun ˌɪnˈsaɪtfʊlnɪs

insightfulness

perspicacité, capacité d'analyse
Meaning
The capacity to gain an accurate and deep intuitive understanding of a person or thing.
Example
His insightfulness helped solve the complex problem.
Sa perspicacité a aidé à résoudre le problème complexe.
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.
B2 verb /ˈɪmɪteɪt/

imitate

imiter
Meaning
to copy the behavior or manner of someone or something
Example
Children often imitate their parents' behavior.
Les enfants imitent souvent le comportement de leurs parents.
C2 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 /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.
B2 adjective /ɪmˈplɪsɪt/

implicit

implicite
Meaning
Suggested or understood without being directly stated.
Example
Her trust in him was implicit.
Sa confiance en lui était implicite.
B2 noun /ˈɪn.vɔɪs/

Invoice

facture
Meaning
a list of goods sent or services provided, with a statement of the sum due for these
Example
The company sent an invoice for the office supplies delivered last week.
L'entreprise a envoyé une facture pour les fournitures de bureau livrées la semaine dernière.
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.
B1 verb /ˌɪntəˈrʌpt/

interrupt

interrompre
Meaning
to stop someone from speaking or doing something by suddenly saying or doing something
Example
She tried not to interrupt while he was speaking.
Elle a essayé de ne pas interrompre pendant qu'il parlait.
B2 adjective /ɪnˈfekʃəs/

infectious

infectieux
Meaning
capable of causing infection or disease; spreading easily from one person to another; able to spread feelings or attitudes such as enthusiasm
Example
Her infectious laughter made everyone in the room smile.
Son rire infectieux a fait sourire tout le monde.
C1 adjective /ˈaɪərnˌklæd/

ironclad

inflexible
Meaning
impossible to change, break, or dispute; very strong and firm
Example
The company had an ironclad contract with its suppliers.
L'entreprise avait un contrat inflexible avec ses fournisseurs.
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.
B1 adjective ɪnˈdʌs.tri.əl

industrial

industriel
Meaning
Relating to or characterized by industry.
Example
Industrial sectors boost exports.
Les secteurs industriels stimulent les exportations.
C1 noun /ɪnˈfɜːrnoʊ/

inferno

incendie
Meaning
a large, intense fire that is dangerously out of control
Example
The building turned into an inferno within minutes.
Le bâtiment s'est transformé en un incendie en quelques minutes.
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.
C1 noun /ˈaɪsətəʊp/

isotope

isotope
Meaning
Atoms of the same element with equal number of protons but different numbers of neutrons.
Example
Carbon-14 is a radioactive isotope used in dating fossils.
Le carbone-14 est un isotope radioactif utilisé pour dater les fossiles.
B2 noun /ɪnˈtɒlərəns/

intolerance

intolérance
Meaning
unwillingness to accept or endure beliefs, behaviors, or conditions different from one's own
Example
The leader was criticized for his intolerance toward other religions.
Le leader a été critiqué pour son intolérance envers les autres religions.
C1 noun /ˌɪm.pəˈzɪʃ.ən/

Imposition

imposition; charge; demande injuste
Meaning
the action or process of imposing something or of being imposed; an unfair burden or demand
Example
The imposition of new taxes without consultation angered the citizens greatly.
L'imposition de nouvelles taxes sans consultation a profondément enragé les citoyens.
C1 noun /ˌɪntəkəˈnɛktɪvɪti/

interconnectivity

interconnexion
Meaning
The state of being interconnected or the degree of connectivity between components
Example
The rise of interconnectivity has transformed global communication.
L'essor de l'interconnectivité a transformé la communication mondiale.
A1 noun /aɪˈdiː.ə/

Idea

idée; concept; suggestion
Meaning
a thought or suggestion as to a possible course of action; a concept or mental impression
Example
She had a brilliant idea for solving the company's efficiency problem.
Elle avait une idée brillante pour résoudre le problème d'efficacité de l'entreprise.
C2 adjective /ˌɪnɪkˈstrɪkəbl/

inextricable

inextricable
Meaning
Impossible to separate or escape from.
Example
The two friends shared an inextricable bond.
Les deux amis partageaient un lien inextricable.
A1 preposition/adverb/adjective/noun /ˌɪnˈsaɪd/

inside

bonheur
Meaning
Situated within something; the inner part of something.
Example
She waited inside the house until the rain stopped.
Elle ne pouvait pas cacher son bonheur quand elle a reçu le prix.
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.
C1 noun /ɪnˈkɜːrʒən/

incursion

incursion
Meaning
A sudden attack or invasion into a place or territory.
Example
The army repelled the enemy incursion at the border.
L'armée a repoussé l'incursion ennemie à la frontière.
B2 noun, verb /ˌɪnkənˈviːniəns/

inconvenience

désagrément
Meaning
trouble or difficulty caused to someone; to cause trouble or difficulty to someone
Example
We apologize for any inconvenience caused by the delay.
Nous nous excusons pour tout désagrément causé par le retard.
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 noun /ɪnˈventər/

inventor

inventeur
Meaning
a person who creates or designs something new, especially a device, method, or process
Example
The inventor patented her new medical device.
L’inventeur a breveté son nouveau dispositif médical.
C2 adjective /ɪmˈpɔːrtʃənət/

importunate

importun
Meaning
Persistent to the point of annoyance or intrusion
Example
The importunate salesman kept calling despite repeated refusals.
Le vendeur importun a continué à appeler malgré les refus répétés.
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.
B2 noun /ˌɪn.dɪˈkeɪ.ʃən/

Indication

indication; signe
Meaning
a sign or piece of information that indicates something; a suggestion or hint
Example
The dark clouds were a clear indication that a storm was approaching the area.
Les nuages sombres étaient une indication claire qu'une tempête approchait de la région.
C1 noun ˌɪnfɛsˈteɪʃən

infestation

infestation, présence anormalement élevée d'insectes ou d'animaux dans un endroit
Meaning
The presence of an unusually large number of insects or animals in a place, causing damage or disease.
Example
The infestation of ants in the kitchen led to immediate pest control measures.
L'infestation de fourmis dans la cuisine a conduit à des mesures immédiates de contrôle des nuisibles.
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.
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.
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.
C1 adjective /ɪnˈedəbəl/

Inedible

incomestible
Meaning
not suitable or safe for eating; not edible
Example
The mushrooms were poisonous and completely inedible.
Les champignons étaient venimeux et complètement inédibles.
C1 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.
C1 adjective ˈɪn.tər.ɪm

interim

intérimaire
Meaning
In or for the intervening period; provisional or temporary.
Example
Interim governments manage transitional phases.
Les gouvernements intérimaires gèrent les phases de transition.
C1 adjective /ɪˈnɜːrt/

inert

inactif
Meaning
lacking the ability or strength to move or act; chemically inactive
Example
The patient remained inert on the bed.
Le patient est resté inactif sur le lit.
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.
C2 adverb /ˌɪnsəʊˈmʌtʃ/

insomuch

tant
Meaning
to such an extent
Example
He was insomuch tired that he could hardly stand.
Il était tellement fatigué qu'il pouvait à peine se tenir debout.
A2 adjective /ɪmˈpɑːsəbl/

impossible

impossible
Meaning
not able to occur, exist, or be done
Example
It is impossible to finish this work in one day.
Il est impossible de finir ce travail en une journée.