inroad
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C2 noun /ˈɪnroʊd/

inroad

progrès
Meaning
An advance or significant progress, often at the expense of something else.
Example
The company made significant inroads into the mobile market.
L'entreprise a réalisé des progrès significatifs sur le marché mobile.
B2 verb /ɪnˈtriːɡ/

intrigue

intriguer
Meaning
to arouse curiosity or interest; to make someone fascinated
Example
The mystery novel will intrigue any reader.
Le roman mystère intriguerait n'importe quel lecteur.
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.
C1 adverb, adjective /ˌɪnkɑːɡˈniːtoʊ/

incognito

incognito
Meaning
In disguise or with one's identity concealed.
Example
The celebrity traveled incognito to avoid the paparazzi.
La célébrité a voyagé incognito pour éviter les paparazzis.
B1 verb /ɪnˈfɔ:m/

inform

informer
Meaning
to tell someone about something; to give information
Example
Please inform me when you arrive at the airport.
s'il vous plaît, informez-moi lorsque vous arrivez à l'aéroport.
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 /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.
B2 verb /ɪˈnɪʃieɪt/

initiate

initier
Meaning
to begin or start; to introduce someone to a new activity
Example
The company will initiate a new training program.
L'entreprise va initier un nouveau programme de formation.
C1 noun /ˈɪnstɪˌɡeɪtər/

instigator

instigateur
Meaning
A person who brings about or initiates something, usually something bad.
Example
The police identified him as the instigator of the violence.
La police l'a identifié comme l'instigateur de la violence.
C1 verb /ɪnˈvoʊk/

invoke

invoquer
Meaning
to call upon a higher power, authority, or principle for help, support, or justification
Example
The lawyer invoked the constitution to defend his client.
L'avocat a invoqué la constitution pour défendre son client.
C2 adjective /ɪnˈskruːtəbl̩/

inscrutable

bonheur
Meaning
impossible to understand or interpret
Example
His inscrutable expression made it hard to know what he was thinking.
Elle n'a pas pu cacher son bonheur lorsqu'elle a reçu le prix.
C1 adjective /ɪˈmækjələt/

immaculate

immaculé
Meaning
perfectly clean, neat, or free from flaws
Example
Her room was immaculate, with everything in its place.
Sa chambre était immaculée, tout était à sa place.
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.
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.
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.
C1 adjective ˌɪn.trəˈspek.tɪv

introspective

introspectif
Meaning
Characterized by or given to introspection; examining one's own thoughts and feelings.
Example
Writers tend to be highly introspective individuals.
Les écrivains ont tendance à être des individus très introspectifs.
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.
C1 adjective /ˈɪɡ.ni.əs/

igneous

igné
Meaning
Formed through the cooling and solidification of magma or lava.
Example
Granite is an igneous rock commonly used in construction.
Le granit est une roche ignée couramment utilisée dans la construction.
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.
B2 adjective ˈaɪsəˌleɪtɪd

isolated

isolé
Meaning
Alone or separated from others; having little or no contact with other people.
Example
Technological advancements often leave people isolated.
Les progrès technologiques isolent souvent les gens.
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.
C1 noun /ɪnˈkɒmpɪtəns/

incompetence

incompétence
Meaning
Lack of ability, skill, or effectiveness in doing something.
Example
The project failed due to the manager’s incompetence.
Le projet a échoué à cause de l'incompétence du manager.
B2 adjective /ˌɪrɪˈzɪstəbəl/

Irresistible

irrésistible
Meaning
too attractive and tempting to be resisted; impossible to resist
Example
The chocolate cake was absolutely irresistible.
The chocolate cake was absolutely irresistible.
C1 noun /ɪnˈfjuːʒən/

infusion

infusion
Meaning
the act of introducing something into another; a drink made by steeping leaves or herbs in liquid
Example
She prepared a calming infusion of chamomile tea.
Elle a préparé une infusion apaisante de thé à la camomille.
C1 verb /ɪnˈfleɪm/

inflame

enflammer
Meaning
to arouse strong feelings or provoke anger; to cause inflammation in the body
Example
The politician's remarks served to inflame public opinion.
Les remarques du politicien ont servi à enflammer l'opinion publique.
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.
C1 noun /ˈɪmɪnəns/

imminence

imminence, état de proximité
Meaning
the state of being about to happen
Example
The imminence of the storm forced people to take shelter.
L'imminence de la tempête a forcé les gens à chercher un abri.
C1 adjective /ˌɪndɪˈspjuːtəbəl/

Indisputable

indiscutable; incontestable; certain
Meaning
impossible to deny or argue against; undeniable; certain
Example
The evidence against him was indisputable.
Les preuves contre lui étaient indiscutables.
C1 adjective /ɪnˈæk.tɪv/

Inactive

inactif
Meaning
not active; not working; dormant; idle
Example
The volcano has been inactive for over a century.
Le volcan est inactif depuis plus d'un siecle.
B2 adjective /ɪnˈdɪf.ər.ənt/

indifferent

indifférent
Meaning
having no particular interest or concern; not caring one way or another
Example
She was indifferent to the outcome of the match.
Elle était indifférente au résultat du match.
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.
C1 adjective /ɪnˈvɪnsəbl/

invincible

invincible
Meaning
too powerful to be defeated or overcome
Example
The team seemed invincible after winning ten matches in a row.
L'équipe semblait invincible après avoir gagné dix matchs d'affilée.
C1 adjective /ɪnˈdetɪd/

Indebted

endetté; reconnaissant
Meaning
owing money or gratitude to someone; obligated; grateful
Example
I am deeply indebted to my teacher for all her guidance.
Je suis profondément endetté envers ma professeure pour toute sa guidance.
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.
A2 noun /ˈɪm.ɪdʒ/

Image

image; représentation; portrait
Meaning
a representation of the external form of a person or thing in art; a mental picture or impression
Example
The company worked hard to improve its public image after the scandal.
L'entreprise a travaillé dur pour améliorer son image publique après le scandale.
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.
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.
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 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.
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.
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.
C1 adjective ˌɪn.tə.dʒen.əˈreɪ.ʃən.əl

intergenerational

intergénérationnel, entre différentes générations d'une famille
Meaning
Existing or occurring between different generations of a family.
Example
Intergenerational wisdom ensures cultural continuity.
La sagesse intergénérationnelle garantit la continuité culturelle.
C2 noun /ˈɪn.tɪ.ɡreɪ.tɪv dɪˈpləʊ.mə.si/

integrative diplomacy

diplomatie intégrative
Meaning
A diplomatic approach that seeks to combine or coordinate different elements, interests, or parties into a unified whole.
Example
Integrative diplomacy strengthens alliances.
La diplomatie intégrative renforce les alliances.
C2 adjective /ˌɪndɪˈsɜːrnəbl/

indiscernible

indiscernable
Meaning
Impossible or difficult to see, notice, or distinguish.
Example
The difference between the two shades was almost indiscernible.
La différence entre les deux teintes était presque indiscernable.
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.
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.
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.
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.
B1 verb /ɪnˈvɛnt/

invent

inventer
Meaning
to create or design something that has not existed before
Example
Thomas Edison invented the electric bulb.
Thomas Edison a inventé l'ampoule électrique.
C2 adjective /ɪnˈsɛndiˌɛri/

incendiary

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

insubstantial

insubstantiel
Meaning
Lacking strength, substance, or solidity.
Example
The evidence provided was insubstantial and unconvincing.
Les preuves fournies étaient insubstantielles et non convaincantes.
B2 adjective /ɪnˈtɒlərənt/

intolerant

intolérant
Meaning
unwilling to accept or respect beliefs or behavior different from one's own
Example
He is intolerant of any opinion that differs from his own.
Il est intolérant à toute opinion différente de la sienne.
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.
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 /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.
B1 verb ɪnˈkriːsɪŋ

increasing

croissant
Meaning
Becoming or making greater in size, amount, intensity, or degree; growing.
Example
Increasing awareness about education is necessary.
Augmenter la sensibilisation à l'éducation est nécessaire.
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 /ˌɪn.ɪˈfɛk.tʃu.əl/

ineffectual

inefficace
Meaning
Not producing any or the desired effect; lacking the ability or qualities to achieve a purpose.
Example
The manager’s ineffectual leadership caused the team to lose motivation.
Le leadership inefficace du manager a causé la perte de motivation de l'équipe.
A1 conjunction /ɪf/

if

si
Meaning
used to introduce a condition or supposition
Example
If it rains tomorrow, we will stay home.
Si il pleut demain, nous resterons à la maison.
C1 noun /ˌɪnflɛksɪˈbɪlɪti/

inflexibility

inflexibilité
Meaning
the quality of being rigid or unwilling to change; lack of adaptability
Example
The inflexibility of the rules caused unnecessary delays.
L’inflexibilité des règles a causé des retards inutiles.
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 /ɪnˈdʒʊəriəs/

injurious

nuisible
Meaning
Causing or likely to cause harm or damage.
Example
Smoking is injurious to health.
Fumer est nuisible à la santé.
C2 adjective /ˌɪmpəˈmɪsəbl/

impermissible

interdit
Meaning
Not permitted or allowed.
Example
Such behavior is impermissible in the workplace.
Un tel comportement est interdit sur le lieu de travail.
C2 verb /ɜːrk/

irk

agacer
Meaning
to annoy or irritate someone
Example
It irks me when people are late without calling.
Ça m'agace quand les gens arrivent en retard sans appeler.
C2 adjective /ˌɪɡ.nəˈmɪn.i.əs/

ignominious

ignominieux
Meaning
Marked by shame, disgrace, or humiliation.
Example
The team suffered an ignominious defeat in the finals.
L'équipe a subi une défaite ignominieuse en finale.
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.
B2 noun /ɪnˈsen.tɪv/

Incentive

incitation; encouragement
Meaning
a thing that motivates or encourages someone to do something; a reward or penalty that influences behavior
Example
The company offered a cash incentive to employees who exceeded their sales targets.
L'entreprise a offert une incitation en argent aux employés qui ont dépassé leurs objectifs de vente.
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 noun /ˈɪkθiəˌsɔːrz/

ichthyosaurs

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

imbecility

imbécillité
Meaning
Extreme foolishness, stupidity, or weakness of mind.
Example
The plan was abandoned due to its sheer imbecility.
Le plan a été abandonné en raison de son imbecilité pure.
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 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.
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 adverb /ˈɪntʃmiːl/

inchmeal

petit à petit
Meaning
Gradually, little by little.
Example
The old castle fell inchmeal into ruin.
Le vieux château est tombé petit à petit en ruine.
C2 noun /ˌɪmprɪˈkeɪʃən/

imprecation

malédiction
Meaning
A spoken curse or expression of strong condemnation.
Example
The angry crowd hurled imprecations at the corrupt official.
La foule en colère a lancé des malédictions à l'officiel corrompu.
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.
B2 adjective /aɪˈrɒnɪkəl/

ironical

ironique
Meaning
expressing irony; having the nature of irony
Example
Her ironical tone made everyone uncomfortable.
Son ton ironique a mis tout le monde mal à l'aise.
A1 adjective /ˈɪntrəstɪŋ/ or /ˈɪntəˌrɛstɪŋ/

interesting

intéressant
Meaning
Arousing curiosity or attention; holding one’s interest.
Example
The documentary about space was very interesting.
Le documentaire sur l'espace était très intéressant.
B2 noun /ˌɪntərˈsɛkʃən/

intersection

intersection
Meaning
a point where two or more things intersect, especially a road or path
Example
The intersection of Main Street and 5th Avenue is always busy.
L'intersection de la rue principale et de la 5e avenue est toujours occupée.
B1 adverb /ɪˈnɪʃəli/

initially

initialement
Meaning
At the beginning; at first.
Example
Initially, he refused the offer but later accepted it.
Au début, il a refusé l'offre mais l'a acceptée plus tard.
C2 noun /ˌɪmprəˈpraɪəti/

impropriety

impropriété
Meaning
Failure to observe standards of honesty or modesty; improper behavior.
Example
The politician was accused of financial impropriety.
Le politicien a été accusé d'impropriété financière.
B1 noun ɪˈnɪʃətɪv

initiative

initiative
Meaning
An act or strategy intended to resolve a difficulty or improve a situation; a fresh approach to something.
Example
NASA's initiative to return humans to the Moon is ambitious.
L'initiative de la NASA pour ramener des humains sur la Lune est ambitieuse.
C2 adjective /ˈɪn.dɪ.dʒənt/

indigent

indigent
Meaning
lacking the necessities of life due to poverty; very poor
Example
The hospital offers free care to indigent patients.
L'hôpital offre des soins gratuits aux patients indigents.
C2 adjective /ˌɪn.ɪˈlʌk.tə.bəl/

ineluctable

inéluctable
Meaning
Impossible to avoid or escape; inevitable.
Example
Death is an ineluctable part of human existence.
La mort est une partie inéluctable de l'existence humaine.
B2 noun /ˈɪntərfeɪs/

interface

interface
Meaning
a point where two systems, subjects, or organizations meet and interact
Example
The user interface is designed to be intuitive and user-friendly.
L'interface utilisateur est conçue pour être intuitive et facile à utiliser.
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.
C1 verb /ɪmˈpiːd/

impede

entraver
Meaning
To obstruct or hinder the progress or development of something.
Example
Lack of funds can impede business growth.
Le manque de fonds peut entraver la croissance des entreprises.
C1 adjective /ˌɪnədˈvaɪzəbl/

inadvisable

déconseillé
Meaning
Not recommended; likely to have undesirable consequences.
Example
It is inadvisable to drive in such heavy rain.
Il est déconseillé de conduire sous une telle pluie forte.
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.
B2 noun ˈɪnəveɪtɪv tuːlz

innovative tools

outils innovants
Meaning
Creative devices or advanced technologies that introduce new methods or approaches to accomplish tasks.
Example
Teachers use innovative tools to enhance classroom learning.
Les enseignants utilisent des outils innovants pour améliorer l'apprentissage en classe.
A2 adjective /ˈɪntrəstɪd/

interested

intéressé
Meaning
Showing curiosity or concern about something.
Example
She is very interested in learning new languages.
Elle est très intéressée par l'apprentissage de nouvelles langues.
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.
B2 noun ˌɪn.əˈveɪ.ʃən

innovation

innovation
Meaning
The action or process of innovating; a new method, idea, product, etc.
Example
Innovation drives solutions to global challenges.
L'innovation conduit à des solutions aux défis mondiaux.
C2 noun /ˌɪməʊˈbɪləti/

immobility

immobilité
Meaning
The state of being unable to move.
Example
After the accident, she suffered from immobility in her legs.
Après l'accident, elle a souffert d'immobilité dans ses jambes.
B2 noun /ˈɪnfənt/

infant

bambin
Meaning
A very young child or baby.
Example
The infant was sleeping peacefully in the cradle.
Le bébé dormait paisiblement dans le berceau.
C1 noun /ɪnˈfɜː.mə.ti/

Infirmity

faiblesse; maladie; fragilité
Meaning
physical or mental weakness; a disease or ailment; frailty
Example
Despite his advanced age and various infirmities, he remained mentally sharp and alert.
Malgré son âge avancé et ses diverses infirmités, il est resté mentalement vif et alerte.
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.
C1 adverb /ˌɪn.dɪˈskrɪm.ɪ.nət.li/

Indiscriminately

indiscriminément
Meaning
without making careful distinctions; randomly; without discrimination
Example
The company fired employees indiscriminately without considering their performance.
L'entreprise a licencié les employés indifféremment sans prendre en compte leur performance.
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 /aɪˈdiː.ə.laɪz/

idealize

idéaliser
Meaning
To regard or represent something as perfect or better than it really is.
Example
Children often idealize their parents.
Les enfants idéalisent souvent leurs parents.
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.
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 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 noun /ˌɪmɔːrˈtæləti/

immortality

immortalité
Meaning
the state of living forever; eternal life or lasting fame beyond death
Example
Many ancient cultures believed that heroes could achieve immortality through great deeds.
De nombreuses cultures anciennes pensaient que les héros pouvaient atteindre l’immortalité par de grands exploits.
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.
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.
C2 adjective /ˌɪrɪˈkɒnsɪləbl/

irreconcilable

irréconciliable
Meaning
impossible to make compatible or bring into harmony; unable to resolve differences
Example
The couple separated due to irreconcilable differences.
Le couple s'est séparé en raison de différences irréconciliables.
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.
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.
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.
C1 noun/verb /ˈɪmprɪnt/

imprint

empreinte
Meaning
A mark or impression made by pressure; to establish or fix firmly in someone's mind.
Example
The event left an indelible imprint on the city's history.
L'événement a laissé une empreinte indélébile dans l'histoire de la ville.
C1 noun /ɪnˈsɜːʃən/

insertion

insertion
Meaning
the action of inserting something into something else
Example
The insertion of the new data was completed successfully.
L'insertion des nouvelles données a été complétée avec succès.
C1 noun ɪnˌɛv.ɪ.təˈbɪl.ɪ.ti

inevitability

inévitabilité
Meaning
The quality of being certain to happen and impossible to avoid or prevent.
Example
The inevitability of change is a part of life.
L'inévitabilité du changement fait partie de la vie.
B2 verb /ɪnˈfɜːr/

infer

inférer
Meaning
to conclude or deduce something from evidence and reasoning rather than from explicit statements
Example
From his silence, I inferred that he was not happy with the decision.
De son silence, j'ai inféré qu'il n'était pas content de la décision.
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.
B2 verb /ɪnˈveɪd/

invade

envahir
Meaning
to enter a place or country forcefully, especially as an enemy
Example
The army invaded the neighboring country.
L'armée a envahi le pays voisin.
C2 verb /ɪmˈbruː/

imbrue

tacher
Meaning
To stain, especially with blood.
Example
His hands were imbrued with blood after the battle.
Ses mains étaient tachetées de sang après la bataille.
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.
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.