interloper
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C2 noun /ˈɪntərˌloʊpər/

interloper

intrus
Meaning
A person who becomes involved in a situation or place where they are not wanted.
Example
He felt like an interloper at the private family gathering.
Il se sentait comme un intrus lors de la réunion familiale privée.
C1 adjective /ˌɪrɪˈprɛsəbl̩/

irrepressible

irrépressible
Meaning
Impossible to control or restrain.
Example
She had an irrepressible urge to laugh during the speech.
Elle ne pouvait cacher son irrépressible envie de rire pendant le discours.
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.
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.
C1 verb /ɪnˈdʌkt/

induct

admettre formellement quelqu'un dans une position, organisation ou bureau
Meaning
to formally admit someone into a position, organization, or office
Example
She was inducted into the university's honor society.
Elle a été admise dans la société d'honneur de l'université.
B2 noun, verb /ɪntʃ/

inch

pouce / se déplacer lentement
Meaning
A unit of length equal to 2.54 centimeters; or to move slowly and carefully in small amounts.
Example
She inched closer to the edge of the stage.
Elle s'est lentement rapprochée du bord de la scène.
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.
B1 verb /ɪnˈsɪst/

insist

insister
Meaning
to demand firmly; to state persistently
Example
He insisted on paying the bill.
Il a insisté pour payer l'addition.
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 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.
C1 adjective /ɪˈnɔːɡjərəl/

Inaugural

inaugural
Meaning
marking the beginning of something; first; opening
Example
The president delivered his inaugural speech.
Le président a prononcé son discours inaugural.
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.
C1 verb /ˌɪn.trəˈspekt/

introspect

introspecter
Meaning
To examine one's own thoughts, feelings, or mental state.
Example
He often introspects before making important decisions.
Il se livre souvent à de l'introspection avant de prendre des décisions importantes.
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.
B2 adjective ˌɪnɪˈfɛktɪv

ineffective

inefficace
Meaning
Not producing any significant or desired effect; not achieving the intended result.
Example
Rote learning often proves to be ineffective.
L'apprentissage par cœur prouve souvent son inefficacité.
C2 noun /ˈaɪ.lət/

islet

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

insensate

insensible
Meaning
lacking physical sensation or empathy; without feeling or sensitivity
Example
The dictator's insensate cruelty shocked the world.
La cruauté insensible du dictateur a choqué le monde.
C1 verb /ɪmˈpɒvərɪʃ/

impoverish

appauvrir
Meaning
To make someone poor or reduce the quality or richness of something.
Example
The long war impoverished the entire nation.
La longue guerre a appauvri toute la nation.
B2 adjective /ɪnˈækjərət/

Inaccurate

incorrect; erroné; faux
Meaning
not correct; containing errors; wrong
Example
The weather forecast was inaccurate yesterday.
La prévision météorologique était incorrecte hier.
B1 noun /ɪnˈvɛstər/

investor

investisseur
Meaning
a person or organization that puts money into financial schemes, property, or business ventures with the expectation of achieving a profit
Example
The investor funded the startup with a large sum of money.
L'investisseur a financé la startup avec une grande somme d'argent.
C1 noun /ˌɪnsəˈfɪʃənsi/

insufficiency

insuffisance
Meaning
The state of not being enough or not being adequate.
Example
The project failed due to the insufficiency of funds.
Le projet a échoué en raison de l'insuffisance des fonds.
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.
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 /ɪnˈseɪʃiət/

insatiate

insatiable
Meaning
impossible to satisfy; always wanting more
Example
He had an insatiate desire for power.
Il avait un désir insatiable de pouvoir.
C1 noun /ˌɪməˈrælɪti/

immorality

immoralité
Meaning
the quality of being immoral; behavior that violates accepted moral standards
Example
The community condemned the immorality of the corrupt officials.
La communauté a condamné l’immoralité des fonctionnaires corrompus.
C2 adjective /ˌɪn.trəˈmjʊə.rəl/

intramural

à l'intérieur de l'institution
Meaning
Occurring within the walls of a single institution, especially a school or college.
Example
The college organizes intramural sports competitions every semester.
Le collège organise des compétitions sportives intramuros chaque semestre.
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.
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 /ˌɪnkənˈɡruːəti/

incongruity

incongruité
Meaning
The state of being inconsistent or out of place.
Example
The incongruity of his cheerful mood during the funeral shocked everyone.
L'incongruité de son humeur joyeuse pendant les funérailles a choqué tout le monde.
C2 adjective /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.
C1 noun /ˌɪnkjʊˈbeɪʃən/

incubation

le processus de maintenir des œufs, des cellules ou des organismes dans les conditions appropriées pour leur développement
Meaning
the process of keeping eggs, cells, or organisms in the right conditions for development
Example
The incubation of the eggs lasted for three weeks.
L'incubation des œufs a duré trois semaines.
B2 verb ˈɪmplɪment

implement

implémenter
Meaning
To put a decision or plan into effect; to execute or apply.
Example
Implementing educational policies is essential for progress.
Il est essentiel d'implémenter les politiques éducatives pour le progrès.
C1 adjective ɪˈneɪt

Innate

inné ou naturel
Meaning
Existing from birth or natural
Example
She has an innate talent for music.
Elle a un talent inné pour la musique.
C1 noun /ɪnˈdʒʌŋkʃən/

injunction

injonction
Meaning
A judicial order restraining a person from an action or compelling a certain act.
Example
The court issued an injunction to stop the company from polluting the river.
Le tribunal a émis une injonction pour empêcher l'entreprise de polluer la rivière.
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.
C1 noun ˌɪm.pʌlˈsɪv.ɪ.ti

impulsivity

impulsivité
Meaning
The tendency to act quickly and without thought or care; lack of self-control.
Example
His impulsivity led him to make reckless choices.
Son impulsivité l'a conduit à prendre des décisions imprudentes.
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 adjective /ɪnˈtrɛpɪd/

intrepid

intrépide
Meaning
fearless and adventurous, often used humorously
Example
The intrepid traveler explored the jungle alone.
Le voyageur intrépide a exploré la jungle seul.
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 /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.
B2 noun ɪnˈtɛɡrɪti

integrity

intégrité
Meaning
The quality of being honest and having strong moral principles; moral uprightness.
Example
Teachers' integrity fosters a positive learning environment.
L'intégrité des enseignants favorise un environnement d'apprentissage positif.
C2 adjective /ɪnˈtɛmpərət/

intemperate

intempérant
Meaning
Lacking self-control; immoderate, especially in indulgence.
Example
The politician's intemperate remarks caused controversy.
Les remarques intempérantes du politicien ont causé la controverse.
B1 noun /ɪˌmædʒ.ɪˈneɪ.ʃən/

Imagination

imagination; faculté créative
Meaning
the faculty or action of forming new ideas or images not present to the senses; creative thinking
Example
Children's imagination allows them to turn a cardboard box into a spaceship or castle.
L'imagination des enfants leur permet de transformer une boîte en carton en un vaisseau spatial ou un château.
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 adjective /ˌɪndɪˈskraɪbəbəl/

Indescribable

indescriptible
Meaning
impossible to describe or express in words; beyond description
Example
The beauty of the sunset was indescribable.
La beauté du coucher de soleil était indescriptible.
C1 adjective /ˌɪnɑːrˈtɪkjʊlət/

inarticulate

inaudible
Meaning
Unable to express oneself clearly or effectively in speech or writing.
Example
She became inarticulate with emotion during the speech.
Elle est devenue inaudible avec émotion pendant le discours.
B2 adjective ˌɪnstrəˈmɛntl

instrumental

instrumental
Meaning
Serving as a crucial means, agent, or tool; having a part in bringing about a result.
Example
Children can be instrumental in building a better society.
Les enfants peuvent être instrumentaux dans la construction d'une société meilleure.
B2 noun, verb /ˈɪnstɪˌtjuːt/

institute

institut
Meaning
as a noun, an organization founded for a specific purpose; as a verb, to establish or initiate
Example
The university decided to institute new rules for the library.
L'université a décidé d'instituer de nouvelles règles pour la bibliothèque.
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 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 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.
C1 adjective /ˌɪnəˈfɛnsɪv/

inoffensive

inoffensif
Meaning
Not likely to offend or provoke; harmless.
Example
His inoffensive remarks kept the conversation friendly.
Ses remarques inoffensives ont maintenu la conversation amicale.
C1 adjective /ɪmˈpɑːrʃəl/

Impartial

impartial; neutre
Meaning
treating all sides fairly; unbiased; neutral
Example
A good judge must remain impartial throughout the trial.
Un bon juge doit rester impartial tout au long du procès.
C1 noun /ˈɪn.tə.lekt/

intellect

intellect
Meaning
The ability to think, reason, and understand objectively.
Example
Her intellect is admired by all her colleagues.
Son intellect est admiré par tous ses collègues.
A2 verb /ɪɡˈnɔːr/

ignore

ignorer
Meaning
to refuse to take notice of; to disregard intentionally
Example
She decided to ignore the rude comments.
Elle a décidé d'ignorer les commentaires désobligeants.
C1 noun /ɪmˈpɛd.ɪ.mənt/

impediment

obstacle
Meaning
A hindrance or obstruction in doing something; something that prevents progress.
Example
Lack of funds is a major impediment to the project.
Le manque de fonds est un obstacle majeur pour le projet.
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.
B2 adjective /ɪmˈpɜːrfɪkt/

imperfect

imparfait
Meaning
Not perfect; having faults or flaws.
Example
The painting was beautiful despite being imperfect.
La peinture était belle malgré qu'elle fût imparfaite.
B1 noun /ɪmˈpruːvmənt/

improvement

amélioration
Meaning
the act of making something better
Example
There has been a significant improvement in his health.
Il y a eu une amélioration significative de sa santé.
B2 adjective /ˌɪnstɪˈtjuːʃənl/

institutional

institutionnel
Meaning
Relating to an organization or established practice.
Example
The government made several institutional reforms in education.
Le gouvernement a mis en œuvre plusieurs réformes institutionnelles dans l'éducation.
B2 verb /ˈɪl.ə.streɪt/

illustrate

illustrer
Meaning
to explain or make something clear by using examples, pictures, or comparisons
Example
The teacher used diagrams to illustrate the concept.
Le professeur a utilisé des diagrammes pour illustrer le concept.
C1 adjective, noun /ˈɪnvəlɪd/ (adjective), /ɪnˈvælɪd/ (noun)

invalid

invalide
Meaning
Not valid; having no force or effect. Also refers to a person too weak or ill to care for themselves.
Example
The court declared the contract invalid.
Le tribunal a déclaré le contrat invalide.
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.
C1 adjective /ɪnˈsʌf.ər.ə.bəl/

insufferable

insupportable
Meaning
Too extreme to bear; intolerable.
Example
The heat during the summer was insufferable.
La chaleur pendant l'été était insupportable.
C1 noun/verb /ˈɪnsɛns/

incense

encens / irriter
Meaning
a substance burned for its sweet smell (noun); to make very angry (verb)
Example
The smell of incense filled the temple, but his rude words incensed her.
L'odeur de l'encens remplissait le temple, mais ses mots impolis l'ont mise en colère.
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.
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.
C2 verb /ˌɪntərˈsiːd/

intercede

intercéder
Meaning
to act or plead on behalf of someone in difficulty or trouble; to intervene between parties to help resolve a dispute
Example
She interceded with the teacher to give her brother another chance.
Elle a intercédé auprès du professeur pour donner une autre chance à son frère.
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 /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.
B2 adjective ɪnˈdɪdʒɪnəs

indigenous

indigène
Meaning
Originating or occurring naturally in a particular place; native.
Example
Indigenous plants are well adapted to the local environment.
Les plantes indigènes sont bien adaptées à l'environnement local.
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 adjective /ˈɪnbɔːrn/

Inborn

inné; congénital; inhérent
Meaning
existing from birth; natural; inherent
Example
She has an inborn talent for music.
Elle a un talent inné pour la musique.
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 /ɪmˈpæsɪv/

impassive

impassible
Meaning
Not showing or feeling emotion; expressionless.
Example
Despite the shocking news, she remained impassive.
Malgré les nouvelles choquantes, elle est restée impassible.
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 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.
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.
B2 noun /ˌɪmpərˈfɛkʃən/

imperfection

imperfection
Meaning
a flaw, defect, or weakness; the state of being imperfect
Example
She accepted her imperfection as part of being human.
Elle a accepté son imperfection comme faisant partie de l’humanité.
C2 noun /ˌɪdiəˈsɪŋkrəsi/

idiosyncrasy

idiosyncrasie
Meaning
A distinctive or peculiar characteristic, habit, or mannerism unique to an individual.
Example
One of her idiosyncrasies was humming while working.
L'une de ses idiosyncrasies était de fredonner en travaillant.
C1 noun /ˌɪntɪˈmeɪʃən/

intimation

insinuation
Meaning
A subtle or indirect hint or suggestion.
Example
She gave no intimation of her plans.
Elle n'a donné aucune insinuation de ses projets.
B2 verb /ɪnˈheɪl/

inhale

inhaler
Meaning
to breathe in; to draw air into the lungs
Example
Take a deep breath and inhale slowly.
Prenez une grande respiration et inhalez lentement.
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.
B2 adverb /ɪmˈpeɪʃəntli/

impatiently

impatiemment
Meaning
in a manner showing annoyance or restlessness due to delay or waiting
Example
She tapped her fingers impatiently while waiting for the reply.
Elle tapotait des doigts impatiemment en attendant la réponse.
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.
C1 adverb /ˌɪnsɪˈdɛntəli/

incidentally

d'ailleurs
Meaning
by the way; used to introduce a remark not directly related to the main subject
Example
Incidentally, did you know that she studied in Paris?
D'ailleurs, savais-tu qu'elle avait étudié à Paris ?
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.
C1 verb /ɪmˈpɜːrsəneɪt/

impersonate

imiter
Meaning
to pretend to be another person in order to entertain or deceive
Example
He was arrested for trying to impersonate a police officer.
Il a été arrêté pour avoir tenté d'usurper l'identité d'un policier.
C1 noun /ˈɪn.fən.tri/

Infantry

infanterie
Meaning
soldiers marching or fighting on foot; foot soldiers collectively
Example
The infantry advanced across the battlefield on foot.
L'infanterie a avancé à travers le champ de bataille à pied.
B2 verb /ɪnˈʃʊər/

insure

assurer
Meaning
to provide insurance; to make certain
Example
I need to insure my new car.
J'ai besoin d'assurer ma nouvelle voiture.
C2 adjective /ˌɪnɪkˈstɛnsəbl/

inextensible

inextensible
Meaning
Not capable of being stretched or extended.
Example
This rope is made of an inextensible material.
Cette corde est faite d’un matériau inextensible.
B1 adjective ˈɪnəveɪtɪv

innovative

innovant
Meaning
Featuring new methods; advanced and original
Example
Innovative strategies are required to combat pollution.
Des stratégies innovantes sont nécessaires pour lutter contre la pollution.
A2 noun /ˈɪndʒəri/

injury

blessure
Meaning
Harm or damage to a person’s body caused by an accident or attack.
Example
He suffered a serious injury during the football match.
Il a subi une grave blessure pendant le match de football.
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.
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 /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.
B2 adjective /ɪnˈtɛnsɪv/

intensive

intensif
Meaning
Involving a lot of effort, energy, or concentration in a short period of time.
Example
She attended an intensive English course before moving abroad.
Elle a suivi un cours intensif d'anglais avant de partir à l'étranger.
C1 noun /ˌɪnfɪˈdɛləti/

infidelity

infidélité
Meaning
the act of being unfaithful to a spouse or partner
Example
Their marriage ended due to his infidelity.
Leur mariage a pris fin à cause de son infidélité.
B2 noun ˌɪm.plɪˈkeɪ.ʃən

implication

implication
Meaning
A conclusion that can be drawn from something although it is not explicitly stated; a likely consequence.
Example
The implication of climate change is severe.
L'implication du changement climatique est grave.
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.
B2 noun ˌɪn.təˈven.ʃən

intervention

intervention
Meaning
The action or process of intervening; involvement in a situation to improve or help it.
Example
The intervention of the UN was crucial in resolving the conflict.
L'intervention de l'ONU a été cruciale pour résoudre le conflit.
B2 adjective /aɪˈrɒnɪk/

ironic

ironique, sarcastique
Meaning
happening in the opposite way to what is expected, often amusing or sarcastic
Example
It is ironic that the fire station burned down.
Il est ironique que la caserne de pompiers ait brûlé.
B2 adjective /ˈɪɡ.nər.ənt/

Ignorant

ignorant
Meaning
lacking knowledge or awareness; uninformed
Example
She was ignorant about the new technology trends.
Elle était ignorante des nouvelles tendances technologiques.
B2 adverb /aɪˈrɒnɪkli/

ironically

ironiquement
Meaning
in a way that is contrary to what is expected or intended
Example
Ironically, the fire station burned down.
Ironicament, la caserne de pompiers a brûlé.
C2 noun /ɪˈnɪkwɪti/

iniquity

iniquité
Meaning
Immoral or grossly unfair behavior.
Example
The dictator's regime was marked by corruption and iniquity.
Le régime du dictateur était marqué par la corruption et l'iniquité.
C1 adjective /ɪnˈveə.ri.ə.bəl/

Invariable

invariable; constant; toujours le même
Meaning
never changing; constant; always the same
Example
His invariable routine includes morning exercise and coffee.
Sa routine invariable comprend des exercices matinaux et du café.
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.
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 adjective /ˈɪkθiɪk/

ichthyic

ichtyique
Meaning
Relating to or resembling fish.
Example
The artist's painting had an ichthyic quality.
La peinture de l'artiste avait une qualité ictyique.
B2 noun /ˌɪm.ɪˈteɪ.ʃən/

Imitation

imitation; copie; réplique
Meaning
the action of using someone or something as a model; a copy of something original
Example
His imitation of the famous actor was so good that everyone burst into laughter.
son imitation de l'acteur célèbre était tellement bonne que tout le monde a éclaté de rire.
B2 adjective /ˌɪnkəmˈpliːt/

incomplete

incomplet
Meaning
Not finished, lacking some parts or not whole.
Example
Her report was incomplete and needed further details.
Son rapport était incomplet et nécessitait des détails supplémentaires.
B2 noun /ɪmˈpeɪʃəns/

impatience

impatience
Meaning
The state of being quickly irritated or unable to wait calmly.
Example
His impatience grew as the meeting dragged on.
Son impatience grandissait à mesure que la réunion s'éternisait.
B2 adjective /ɪˈrɪˌspɑn.sə.bəl/

Irresponsible

irresponsable
Meaning
lacking a sense of responsibility; careless
Example
It was irresponsible of him to leave without telling anyone.
C'était irresponsable de sa part de partir sans prévenir personne.
B1 noun /ɪnˌvɛs.tɪˈɡeɪ.ʃən/

investigation

enquête
Meaning
the process of inquiring into or examining something carefully to find the truth
Example
The investigation revealed new evidence about the fraud.
L'enquête a révélé de nouvelles preuves sur la fraude.
B1 noun /ɪnˈstrʌkʃənz/

instructions

instructions
Meaning
Detailed information on how something should be done or operated.
Example
Please follow the instructions on the box.
Veuillez suivre les instructions sur la boîte.
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.
C1 adjective /ˌɪnˌkɒnsɪˈkwɛnʃəl/

inconsequential

insignifiant
Meaning
Not important or significant; too small to matter.
Example
The mistake was minor and inconsequential.
L'erreur était mineure et insignifiante.
C1 adjective /ɪnˈtræk.tə.bəl/

intractable

incontrôlable
Meaning
Difficult or impossible to manage, control, or solve.
Example
The conflict has become an intractable problem.
Le conflit est devenu un problème incontrôlable.
C2 noun /ˈaɪ.səˌbɑːr/

isobar

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

irascible

irritable
Meaning
Easily angered; quick-tempered.
Example
His irascible nature often got him into trouble.
Sa nature irritable le mettait souvent dans des situations difficiles.
B2 noun /ˌɪnstəˈbɪləti/

instability

instabilité
Meaning
lack of stability or balance; tendency to change, fail, or collapse easily
Example
Political instability has slowed economic growth in the region.
L’instabilité politique a ralenti la croissance économique de la région.