aberrant
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C2 adjective /ˈæb.ə.rənt/

aberrant

aberrant
Meaning
deviating from what is normal or expected; abnormal
Example
His aberrant behavior shocked everyone at the meeting.
Son comportement aberrant a choqué tout le monde à la réunion.
C2 adjective /ɔːˈrɪkjʊlər/

auricular

relatif à l'oreille
Meaning
Relating to the ear or hearing.
Example
The doctor used an auricular thermometer to check the patient's temperature.
Le médecin a utilisé un thermomètre auriculaire pour vérifier la température du patient.
C2 verb /ˈæmbl/

amble

marcher lentement
Meaning
To walk at a slow, relaxed pace.
Example
They amble through the park on Sunday mornings.
Ils marchent lentement dans le parc le dimanche matin.
C2 noun əˈlæk.rə.t̬i

alacrity

disponibilité rapide et joyeuse
Meaning
Brisk and cheerful readiness.
Example
He accepted the challenge with alacrity.
Il a accepté le défi avec alacrité.
C2 adjective, adverb /əˈbʌvˌbɔːrd/

aboveboard

Honnête et ouvert
Meaning
Open and honest; without deception or trickery.
Example
The business deal was completely aboveboard.
L'accord commercial était complètement honnête et ouvert.
C2 noun /əˈsper.ɪ.ti/

asperity

asperité
Meaning
Harshness of tone, manner, or surface.
Example
She spoke with asperity when she was interrupted.
Elle parla avec aspérité lorsqu'elle fut interrompue.
C2 noun /ˈɑːrɡoʊ/

argot

argot spécialisé
Meaning
the specialized vocabulary or jargon of a particular group, especially one with a common interest or occupation
Example
The thieves communicated in an argot that outsiders could not understand.
Les voleurs ont communiqué dans un argot que les étrangers ne pouvaient pas comprendre.
C2 noun /ˌæbnɪˈɡeɪʃən/

abnegation

abnégation
Meaning
the act of renouncing or rejecting something, especially self-denial
Example
The monk’s life was one of complete abnegation of worldly pleasures.
La vie du moine était une complète abnégation des plaisirs mondains.
C2 noun /ˈæl.mɪ.rə/

Almirah

armoire
Meaning
a large cupboard or wardrobe used for storing clothes and other items
Example
I keep all my clothes in the wooden almirah.
Je garde tous mes vêtements dans l'armoire en bois.
C2 verb /əˈvɜːr/

aver

affirmer
Meaning
to state or assert something confidently and strongly
Example
She averred that she was innocent.
Elle affirmait qu'elle était innocente.
C2 verb /əˈɡrɛs/

aggress

agresser
Meaning
to initiate an attack or show hostile behavior
Example
The army chose not to aggress without provocation.
L'armée a choisi de ne pas agresser sans provocation.
C2 verb /əˈɡriːv/

aggrieve

affliger
Meaning
to cause distress or make someone feel resentful
Example
She felt aggrieved by the unfair decision.
Elle s'est sentie contrariée par la décision injuste.
C2 adverb /əˈmʌk/

amuck

de manière débridée
Meaning
in a frenzied, uncontrolled, or chaotic manner
Example
The bull ran amuck through the village.
Le taureau a couru de manière débridée à travers le village.
C2 noun /ˌæk.rəˈfoʊ.bi.ə/

acrophobia

peur des hauteurs
Meaning
An extreme or irrational fear of heights.
Example
Her acrophobia prevented her from climbing the tall building.
Son acrophobie l'a empêchée de monter dans le grand bâtiment.
C2 verb /əˈɡræn.daɪz/

aggrandize

agrandir
Meaning
To increase the power, wealth, or importance of a person or entity.
Example
The politician tried to aggrandize himself through exaggerated claims.
Le politicien a essayé de s'aggrandir à travers des affirmations exagérées.
C2 noun /ˌɔːskʌlˈteɪʃən/

auscultation

auscultation
Meaning
The act of listening to internal sounds of the body, typically using a stethoscope.
Example
The doctor performed auscultation to check the patient’s lungs.
Le médecin a effectué une auscultation pour vérifier les poumons du patient.
C2 adjective /ˈærənt/

arrant

complet, absolu
Meaning
complete or utter (used negatively, e.g., 'arrant nonsense')
Example
His excuse was arrant nonsense.
Son excuse était des bêtises complètes.
C2 noun /ˈɔːrɪkl̩/

auricle

partie externe de l'oreille
Meaning
The external part of the ear; also an upper chamber of the heart in anatomy.
Example
The doctor examined the patient’s auricle for signs of infection.
Le médecin a examiné la partie externe de l'oreille du patient à la recherche de signes d'infection.
C2 verb /ˈɔːltərˌkeɪt/

altercate

disputer
Meaning
to argue or dispute angrily or noisily
Example
The neighbors began to altercate over the boundary wall.
Les voisins ont commencé à discuter sur le mur de la frontière.
C2 noun /ˈænɪməs/

animus

hostilité / but
Meaning
A strong feeling of hostility; motivation or purpose behind an action.
Example
His speech was driven by animus against the policy.
Son discours était motivé par l'hostilité envers la politique.
C2 adjective əˈsɪd.ju.əs

assiduous

assidu ou appliqué
Meaning
Showing great care and perseverance; diligent and hardworking.
Example
His assiduous efforts led to a successful career.
Ses efforts assidus l'ont conduit à une carrière réussie.
C2 noun /əˈɡrɒnəmi/

agronomy

Agronomie
Meaning
The science and practice of soil management and crop production, focusing on the principles of plant and soil science to optimize agricultural productivity.
Example
Agronomy focuses on soil management and crop production.
L'agronomie se concentre sur la gestion des sols et la production de cultures.
C2 adjective /ˌæp.rɪˈhen.sə.bəl/

Apprehensible

compréhensible
Meaning
able to be understood or grasped; comprehensible
Example
The complex theory became apprehensible after the professor's explanation.
La théorie complexe est devenue compréhensible après l'explication du professeur.
C2 noun ˈɔː.tɑː.ki

autarky

autarcie, autosuffisance
Meaning
Economic independence or self-sufficiency; a policy of establishing a self-sufficient national economy.
Example
Some nations aim for autarky to reduce reliance on imports.
Certaines nations visent l'autarcie pour réduire leur dépendance aux importations.
C2 adjective /ˈæfərənt/

afferent

afférent
Meaning
carrying impulses toward a central organ or part, especially toward the brain or spinal cord
Example
Afferent nerves carry signals from the body to the brain.
Les nerfs afférents transportent des signaux du corps vers le cerveau.
C2 noun /ˈɛərəˌstæt/

aerostat

aérostat
Meaning
A lighter-than-air craft, such as a balloon, that is lifted by gas.
Example
The military used an aerostat for surveillance over the border.
L'armée a utilisé un aérostat pour la surveillance de la frontière.
C2 verb /ˈæktʃueɪt/

actuate

activer
Meaning
to put into action or motion; to motivate or activate
Example
The engineer actuated the machine with a simple switch.
L'ingénieur a activé la machine avec un simple interrupteur.
C2 adjective /ˌækrəˈmætɪk/

achromatic

achromatique
Meaning
without color; free from color
Example
The designer chose an achromatic palette of black, white, and gray.
Le designer a choisi une palette achromatique de noir, blanc et gris.
C2 verb /əˈdʌltəreɪt/

adulterate

adulterer
Meaning
to make something poorer in quality by adding another substance, usually of lower quality
Example
The company was fined for adulterating its products with cheap chemicals.
L'entreprise a été condamnée à une amende pour avoir adultéré ses produits avec des produits chimiques bon marché.
C2 verb /əˈɡlɒməˌreɪt/

agglomerate

agglomérer
Meaning
To collect or form into a mass or group.
Example
The dust particles began to agglomerate into larger clusters.
Les particules de poussière ont commencé à s'agglomérer en grands amas.
C2 verb /əˈkɒst/

accost

aborder de manière agressive
Meaning
to approach and speak to someone boldly or aggressively
Example
The reporter was accosted by protesters outside the courthouse.
Le reporter a été abordé par des manifestants devant le tribunal.
C2 noun /əbˈhɒrəns/

abhorrence

abhorrence
Meaning
a feeling of strong disgust or hatred
Example
He expressed his abhorrence of racial discrimination.
Il a exprimé son abhorrence de la discrimination raciale.
C2 adjective /əˈɡɒɡ/

agog

Meaning
Highly excited by eagerness, curiosity, or anticipation.
Example
The children were agog with excitement as they waited for the magician to appear.
C2 noun /ˈiːsθiːt/ or /ˈɛsθiːt/

aesthete

esthète
Meaning
A person who has a special appreciation of art and beauty.
Example
The aesthete admired the subtle details of the painting.
L'esthète admirait les détails subtils de la peinture.
C2 adjective /əˌnækrəˈnɪstɪk/

anachronistic

anachronique
Meaning
belonging to a period other than that being portrayed; old-fashioned or outdated
Example
His views on gender roles are considered anachronistic.
Ses opinions sur les rôles de genre sont considérées comme anachroniques.
C2 adjective /ˌæf.əˈrɪs.tɪk/

aphoristic

style aphoristique
Meaning
expressed in the style of a short, witty saying
Example
Her writing style is concise and aphoristic.
Son style d'écriture est concis et aphoristique.
C2 adjective /ˈæsənənt/

assonant

assonant
Meaning
Having or characterized by assonance; repeating similar vowel sounds.
Example
The poem is filled with assonant words that create a musical rhythm.
Le poème est rempli de mots assonants qui créent un rythme musical.
C2 verb əˈtɛn.ju.eɪt

attenuate

atténuer
Meaning
To reduce the force, effect, or value of something; to make weak or thin.
Example
The medicine helps attenuate the pain.
Le médicament aide à atténuer la douleur.
C2 verb /ˈæpɪtaɪz/

appetize

stimuler l’appétit
Meaning
to stimulate the appetite; to make someone eager or interested
Example
The aroma of fresh bread will appetize the guests before dinner.
L’odeur du pain frais va stimuler l’appétit des invités.
C2 adjective /ˌæktʃuˈɛəriəl/

actuarial

actuariel
Meaning
Relating to actuaries or their work of analyzing financial risk and uncertainty, especially in insurance and pensions.
Example
The company relied on actuarial reports to set insurance premiums.
L'entreprise s'est appuyée sur des rapports actuariels pour fixer les primes d'assurance.
C2 adjective /ˈæmbjələˌtɔːri/

ambulatory

ambulatoire
Meaning
Relating to or able to walk; relating to outpatient medical care.
Example
The patient is ambulatory and does not require bed rest.
Le patient est ambulatoire et n'a pas besoin de repos au lit.
C2 noun (plural) /ˈɔːspɪsɪz/

auspices

auspice
Meaning
Patronage, support, or guidance, often used in the phrase 'under the auspices of'.
Example
The conference was held under the auspices of the United Nations.
La conférence a eu lieu sous les auspices des Nations Unies.
C2 adverb /əˈskæns/

askance

d'un air méfiant
Meaning
With suspicion, mistrust, or disapproval.
Example
She looked askance at his unusual proposal.
Elle regarda sa proposition étrange d'un air méfiant.
C2 noun /əˈrɪə/

arrear

arriéré
Meaning
A debt or payment that is overdue and unpaid.
Example
He was sued for an arrear of rent.
Il a été poursuivi pour un arriéré de loyer.
C2 adjective /əˈkjuː.zəˌtɔːr.i/

accusatory

accusateur
Meaning
Suggesting blame or indicating someone has done wrong.
Example
He gave her an accusatory glance.
Il lui lança un regard accusateur.
C2 noun /ˈæntɪfɒn/

antiphon

antienne
Meaning
a short chant or verse sung responsively in Christian worship, typically sung before or after a psalm or canticle
Example
The choir sang the antiphon before beginning the main hymn.
Le chœur a chanté l'antienne avant de commencer l'hymne principal.
C2 noun /əˈsɜːrbəti/

acerbity

acerbité
Meaning
bitterness or sharpness of tone, manner, or taste
Example
The acerbity of his remarks left everyone silent.
L'acerbité de ses remarques a laissé tout le monde en silence.
C2 adjective /ˈæpəˌleɪt/

appellate

relatif aux appels
Meaning
relating to appeals in a court of law
Example
The case was taken to an appellate court.
L'affaire a été portée devant un tribunal d'appel.
C2 noun /ˈæl.ɪ.mənt/

aliment

aliment
Meaning
food or nourishment that sustains life
Example
Fruits and vegetables are important aliments for a healthy body.
Les fruits et légumes sont des aliments importants pour un corps sain.
C2 verb /ˈæd.l̩/

addle

embrouiller
Meaning
To confuse or muddle someone’s mind.
Example
The complicated instructions only served to addle him.
Les instructions compliquées n'ont servi qu'à le rendre confus.
C2 verb /əˈkuːtər/

accouter

équiper
Meaning
to equip or outfit, typically with military or ceremonial attire
Example
The soldiers were accoutered in full battle gear.
Les soldats étaient équipés de tout l'équipement de combat.
C2 verb /ˌækwiˈɛs/

acquiesce

accepter sans protester
Meaning
to accept something reluctantly but without protest
Example
She decided to acquiesce to her parents’ wishes.
Elle a décidé d'accepter sans protester les souhaits de ses parents.
C2 noun /ˌɑːrtʃˈdiːkən/

archdeacon

archidiacre
Meaning
A senior clergyman in the Christian Church ranking below a bishop.
Example
The archdeacon assisted the bishop in administrative duties.
L'archidiacre a aidé l'évêque dans les tâches administratives.
C2 verb /ˈæmərˌtaɪz/

amortize

amortir
Meaning
To gradually reduce or pay off a debt with regular payments.
Example
They plan to amortize the mortgage over 20 years.
Ils prévoient d'amortir l'hypothèque sur 20 ans.
C2 adjective /ˈækwɪˌlaɪn/

aquiline

de type bec d'aigle
Meaning
curved like an eagle's beak; hooked
Example
He had an aquiline nose that gave him a distinguished appearance.
Il avait un nez de type bec d'aigle qui lui donnait une apparence distinguée.
C2 noun /əˈzeɪ.li.ə/

azalea

azalée
Meaning
a flowering shrub with brightly colored blooms, often grown ornamentally
Example
The garden was full of blooming azaleas in spring.
Le jardin était plein d'azalées en fleurs au printemps.
C2 noun /ˌæntiˈsaɪkloʊn/

anticyclone

anticyclone
Meaning
A weather system with high atmospheric pressure at its center, usually bringing calm and clear conditions.
Example
An anticyclone brought sunny weather across the region.
Un anticyclone a apporté du temps ensoleillé dans toute la région.
C2 noun /əˈbluːʃən/

ablution

ablution
Meaning
the act of washing oneself, often for religious purposes
Example
He performed his morning ablution before the prayer.
Il a effectué son ablution matinale avant la prière.
C2 adjective /əˈpɜːrtənənt/

appurtenant

appartenant
Meaning
Belonging to or associated with something, often used in legal/property contexts.
Example
The right of way is appurtenant to the landowner’s property.
Le droit de passage est appartenant à la propriété du propriétaire.
C2 verb /əˈbæʃ/

abash

déconcerter
Meaning
to make someone feel embarrassed or ashamed
Example
Her sudden question seemed to abash him.
Sa question soudaine semblait le déstabiliser.
C2 noun /ˌædʒʊˈreɪʃən/

adjuration

supplication solennelle
Meaning
a solemn urging or appeal
Example
The priest made an adjuration for peace and unity.
Le prêtre a fait une supplication solennelle pour la paix et l'unité.
C2 noun /ˈɛərəˌnɔːt/

aeronaut

aéronaute
Meaning
A person who travels in an airship, balloon, or other aircraft.
Example
The aeronaut skillfully guided the hot-air balloon across the valley.
L'aéronaute a habilement guidé le ballon à air chaud à travers la vallée.
C2 verb /əˈvaʊtʃ/

avouch

affirmer
Meaning
to affirm or assert something as true
Example
He avouched his innocence before the judge.
Il a affirmé son innocence devant le juge.
C2 noun /ˈæn.oʊd/

anode

électrode positive
Meaning
The positive electrode in a device such as a battery, where current flows into a polarized electrical device.
Example
The anode of the battery was corroded after long use.
L'électrode positive de la batterie a été corrodée après une longue utilisation.
C2 noun /ˌænəlˈdʒiːziə/

analgesia

analgésie
Meaning
The inability to feel pain while still conscious.
Example
The doctor induced analgesia before performing the procedure.
Le médecin a induit l'analgésie avant de réaliser la procédure.
C2 noun /ˌæfɛkˈteɪʃən/

affectation

affectation
Meaning
an unnatural behavior or speech intended to impress others
Example
Her British accent was just an affectation to sound sophisticated.
Son accent britannique n'était qu'une affectation destinée à paraître sophistiquée.
C2 noun /ˈæf.ə.rɪ.zəm/

aphorism

aphorisme
Meaning
a short, witty saying that expresses a general truth or principle
Example
He began his speech with an aphorism about life and success.
Il a commencé son discours par un aphorisme sur la vie et le succès.
C2 noun /əˌɡlɒməˈreɪʃən/

agglomeration

agglomération
Meaning
A mass or collection of things, sometimes clustered together.
Example
The city is an agglomeration of diverse cultures and communities.
La ville est une agglomération de cultures et de communautés diverses.
C2 adjective /ˈæməˌtɔːri/

amatory

amoureux
Meaning
Relating to or expressing sexual love.
Example
The poet’s verses were filled with amatory themes.
Les vers du poète étaient remplis de thèmes amoureux.
C2 noun /ˈæntiruːm/

anteroom

antichambre
Meaning
A small room leading to a main one, often used as a waiting area.
Example
The guests waited in the anteroom before being called inside.
Les invités ont attendu dans l’antichambre avant d’être appelés à l’intérieur.
C2 noun/adjective /ˈæl.əˌbæs.tər/

alabaster

albâtre (minéral blanc comme pierre)
Meaning
A fine-grained, usually white variety of gypsum, often used for carving; also describes something smooth and pale like alabaster.
Example
The statue was carved from pure alabaster.
La statue a été sculptée dans de l'albâtre pur.
C2 noun /ˈæl.baɪt/

albite

albite
Meaning
A white or colorless mineral of the feldspar group, often found in igneous rocks.
Example
Geologists discovered albite crystals in the rock sample.
Les géologues ont découvert des cristaux d'albite dans l'échantillon de roche.
C2 verb /əˈmælɡəmeɪt/

amalgamate

fusionner
Meaning
to combine or unite to form one organization or structure; to merge
Example
The two companies decided to amalgamate their operations.
Les deux entreprises ont décidé de fusionner leurs opérations.
C2 adjective /ˌævəˈrɪʃəs/

avaricious

avide
Meaning
having or showing extreme greed for wealth or material gain
Example
The avaricious landlord increased the rent unfairly.
Le propriétaire avide a augmenté le loyer de manière injuste.
C2 adjective /ænˈdrɒdʒɪnəs/

androgynous

androgyne
Meaning
Having both male and female characteristics; not clearly masculine or feminine.
Example
The fashion show featured models with an androgynous look.
Le défilé de mode a présenté des modèles avec un look androgyne.
C2 noun /ˈændaɪərn/

andiron

support en métal pour bois
Meaning
a metal support used in a fireplace to hold logs
Example
The logs rested on the andirons in the old fireplace.
Les bûches reposaient sur les andirons dans l'ancienne cheminée.
C2 noun /ɑːmz/

alms

aumône
Meaning
Money, food, or goods given to the poor as charity.
Example
The monk distributed alms to the needy villagers.
Le moine a distribué des aumônes aux pauvres villageois.
C2 noun /ˌæk.wiˈes.əns/

acquiescence

acceptation tacite
Meaning
The reluctant acceptance of something without protest.
Example
His silent acquiescence to unfair rules was surprising.
Son acceptation tacite des règles injustes a été surprenante.
C2 noun /əˈstɪɡmətɪzəm/

astigmatism

astigmatisme
Meaning
An eye defect causing blurred vision due to irregular curvature of the cornea or lens.
Example
She wears glasses to correct her astigmatism.
Elle porte des lunettes pour corriger son astigmatisme.
C2 adjective /əˈbɪs.əl/

abyssal

relatif à l'océan profond
Meaning
Related to or characteristic of the deep ocean, especially the zone below 4000 meters.
Example
Abyssal creatures survive in extreme pressure conditions.
Les créatures abyssales survivent dans des conditions de pression extrême.
C2 noun /ˌæŋɡləˈfoʊbiə/

anglophobia

anglophobie
Meaning
Dislike or fear of England, English people, or English culture.
Example
The politician was accused of promoting Anglophobia in his speeches.
Le politicien a été accusé de promouvoir l'anglophobie dans ses discours.
C2 noun /ˈɑːrkeɪˌɪzəm/

archaism

archaïsme
Meaning
a word, expression, or style of language that is no longer in everyday use
Example
The poem is full of archaisms that give it an old-fashioned flavor.
Le poème est plein d'archaïsmes qui lui donnent un goût ancien.
C2 noun /ˌæbsəˈluːʃən/

absolution

absolution
Meaning
formal release from guilt, obligation, or punishment
Example
The priest granted him absolution for his sins.
Le prêtre lui a accordé l'absolution pour ses péchés.
C2 noun, adjective /ˌæntiˌspæzˈmɒdɪk/

antispasmodic

antispasmodique
Meaning
A drug or agent that relieves or prevents muscle spasms.
Example
The doctor prescribed an antispasmodic to ease the pain.
Le médecin a prescrit un antispasmodique pour soulager la douleur.
C2 noun /ˈɔːspɪs/

auspice

augure, patronage
Meaning
A sign, omen, or divine token; also refers to protection or support.
Example
The project was launched under the auspice of the government.
Le projet a été lancé sous l'auspice du gouvernement.
C2 noun /ˈænɪməlˌkjuːl/

animalcule

animalcule
Meaning
A microscopic animal, especially a protozoan or other minute organism.
Example
The scientist observed an animalcule moving under the microscope.
Le scientifique a observé un animalcule se déplaçant sous le microscope.
C2 noun /ˌæriˈviːst/

arriviste

nouveau riche
Meaning
A person who has recently gained wealth or status but is considered arrogant or socially unsophisticated.
Example
The business world is full of ambitious arrivistes.
Le monde des affaires est rempli d’arrivistes ambitieux.
C2 adjective /əˈkɜːrsɪd/

accursed

maudit
Meaning
Doomed, detestable, or under a curse.
Example
The villagers avoided the accursed house on the hill.
Les villageois ont évité la maison maudite sur la colline.
C2 noun /ˈɑːm.lət/

Armlet

bracelet de bras
Meaning
a band worn around the upper arm as an ornament
Example
The traditional dancer wore golden armlets that gleamed in the spotlight.
La danseuse traditionnelle portait des bracelets dorés qui brillaient sous les projecteurs.
C2 adjective /ˌæpəˈplɛktɪk/

apoplectic

apoplectique
Meaning
Extremely angry; furious.
Example
He was apoplectic when he heard about the unfair decision.
Il était apoplectique lorsqu'il a entendu parler de la décision injuste.
C2 verb /əˈbreɪd/

abrade

usiner par friction
Meaning
to scrape or wear away the surface by friction or erosion
Example
The rough cloth can easily abrade the skin.
Le tissu rugueux peut facilement user la peau.
C2 noun /ˈeə.rəm/

Arum

arum
Meaning
a plant with large arrow-shaped leaves and a white spathe, also known as taro
Example
Arum leaves are commonly used in Bengali cuisine for cooking.
Les feuilles d'Arum sont couramment utilisées dans la cuisine indienne pour la cuisson.
C2 noun /æmˈbroʊʒə/

ambrosia

ambroisie
Meaning
The food of the gods in classical mythology; something extremely pleasing to taste or smell.
Example
The dessert was so delicious that it tasted like ambrosia.
Le dessert était tellement délicieux qu'il avait le goût d'ambrosia.
C2 noun /ˌæpəˈleɪʃən/

appellation

titre / nom
Meaning
a name or title
Example
The city has earned the appellation 'The Big Apple'.
La ville a gagné le titre 'La Grande Pomme'.
C2 noun /ˈeɪʒən swɒmp iːl/

Asian swamp eel

anguille des marais asiatique
Meaning
a snake-like freshwater fish that can survive in muddy waters and is considered a delicacy in South Asian cuisine
Example
Asian swamp eel can breathe air and survive in shallow muddy waters.
L’anguille des marais asiatique peut respirer de l’air et survivre dans des eaux peu profondes et boueuses.
C2 verb /əˈnɔɪnt/

anoint

oindre, consacrer
Meaning
To smear or rub with oil, often as part of a religious ceremony or as a sign of consecration.
Example
The priest anointed the king with holy oil.
Le prêtre a oint le roi avec de l'huile sainte.
C2 verb /əˈniːl/

anneal

durcir par la chaleur
Meaning
To heat and cool metal or glass to make it stronger or less brittle.
Example
The blacksmith annealed the steel to improve its durability.
Le forgeron a anilé l'acier pour améliorer sa durabilité.
C2 noun /əˈdʌltərənt/

adulterant

adulterant
Meaning
a substance added to something else, often food or drink, to reduce its quality or strength
Example
The laboratory found an adulterant in the milk samples.
Le laboratoire a trouvé un adulterant dans les échantillons de lait.
C2 adjective /ˈæfəbəl/

affable

affable
Meaning
friendly, easy to talk to, and pleasant in manner
Example
He is such an affable host that everyone feels comfortable at his parties.
C'est un hôte tellement affable que tout le monde se sent à l'aise à ses fêtes.
C2 adjective /ˈæʒər/

azure

azur
Meaning
A bright blue color like that of a clear sky.
Example
The clear sky was painted in a deep shade of azure.
Le ciel clair était peint d'une teinte profonde d'azur.
C2 noun /ˈɑːrbɪtər/

arbiter

arbitre
Meaning
a person who has the authority to settle a dispute or decide an issue
Example
The principal acted as the arbiter in the conflict between the students.
Le principal a agi en tant qu'arbitre dans le conflit entre les élèves.
C2 noun /ˈɔːlmənæk/

almanac

almanach
Meaning
An annual publication containing calendars, weather forecasts, astronomical data, and other useful information.
Example
He consulted the almanac to check the phases of the moon.
Il a consulté l'almanach pour vérifier les phases de la lune.
C2 adjective /əˈluːsɪv/

allusive

allusif
Meaning
Making indirect references or hints; suggestive without being explicit.
Example
The novel is full of allusive passages that point to classical literature.
Le roman est plein de passages allusifs qui font référence à la littérature classique.
C2 noun /ˈiːɒn/ or /ˈiːən/

aeon

éon
Meaning
An indefinitely long period of time; an age or eternity.
Example
Dinosaurs roamed the Earth millions of aeons ago.
Les dinosaures ont parcouru la Terre il y a des millions d'éons.
C2 noun /ˈæl.kə.laɪ ækt/

Alkali Act

Loi de l'Alcalinité
Meaning
A British law passed in 1863 to regulate the emission of hydrochloric acid gas from alkali works, representing one of the first pieces of environmental legislation.
Example
The Alkali Act of 1863 was one of the first environmental laws.
La Loi de l'Alcalinité de 1863 fut l'une des premières lois environnementales.
C2 adjective /ˈædɪˌpoʊs/

adipose

adipeux
Meaning
Relating to or consisting of animal fat; fatty.
Example
The doctor explained that the tissue was mainly adipose in nature.
Le médecin a expliqué que le tissu était principalement adipeux par nature.
C2 noun /əˈpɒfəsɪs/

apophasis

apophase
Meaning
A rhetorical device where the speaker brings up a subject by denying it or pretending to pass over it.
Example
The politician used apophasis by saying, 'I won’t even mention my opponent’s scandals.'
Le politicien a utilisé l'apophase en disant : « Je ne mentionnerai même pas les scandales de mon adversaire. »
C2 verb /əˈbɛt/

abet

encourager un crime
Meaning
to encourage or assist someone to commit a crime or wrongdoing
Example
He was accused of abetting the criminals in their escape.
Il a été accusé d'avoir aidé les criminels dans leur fuite.
C2 noun /əˌkædəˈmɪʃən/

academician

académicien
Meaning
a member of an academy; a scholar or expert in a field of study
Example
The academicians gathered to discuss the future of education.
Les académiciens se sont réunis pour discuter de l'avenir de l'éducation.
C2 verb /ˈæntɪdeɪtɪd/

antedated

daté antérieurement
Meaning
assigned to an earlier date than the actual one; happened earlier
Example
The letter was antedated to appear more official.
La lettre a été antidatée pour paraître plus officielle.
C2 adjective /ɔːˈrɔːrəl/

auroral

relatif à l'aurore
Meaning
Relating to or resembling the aurora, especially the northern lights.
Example
The scientists observed auroral activity in the night sky.
Les scientifiques ont observé une activité aurorale dans le ciel nocturne.
C2 noun /ænˈtɪstrəfi/

antistrophe

antistrophé (un dispositif rhétorique)
Meaning
A rhetorical device in which a word or phrase is repeated at the end of successive clauses; in Greek choral poetry, the part of the ode sung by the chorus in return movement.
Example
The poet used antistrophe to emphasize the repeated phrase.
Le poète a utilisé l'antistrophé pour souligner la phrase répétée.
C2 verb /ænˈtɪpəθaɪz/

antipathize

antipathiser
Meaning
to feel or express a strong dislike or aversion toward something or someone
Example
He seemed to antipathize with the new management's approach.
Il semblait antipathiser avec l'approche de la nouvelle direction.
C2 verb /əˈbrɪdʒ/

abridge

abréger
Meaning
to shorten a text without losing its meaning
Example
The editor decided to abridge the long novel for young readers.
L'éditeur a décidé d'abréger le long roman pour les jeunes lecteurs.
C2 noun /əˈdɛpt.nəs/

adeptness

aptitude et habileté
Meaning
Skill and dexterity in a task.
Example
His adeptness in negotiations helped close the deal successfully.
Son aptitude dans les négociations a permis de conclure l'accord avec succès.
C2 noun /əˈspɜːr.ʒən/

aspersion

diffamation
Meaning
An attack on the reputation or integrity of someone.
Example
He cast an aspersion on her character.
Il a jeté une diffamation sur son caractère.
C2 noun /ˌæs.əˈfet.ɪ.də/

Asafoetida

asafoetida
Meaning
a pungent spice derived from the resin of a plant, commonly used in Indian cooking
Example
A pinch of asafoetida adds a distinctive flavor to the lentil curry.
Une pincée d'asafoetida ajoute une saveur distinctive au curry de lentilles.
C2 adjective /əˈfɔːrsed/

Aforesaid

précédemment mentionné
Meaning
mentioned before; previously stated
Example
The aforesaid conditions must be met before approval.
Les conditions précédemment mentionnées doivent être remplies avant l'approbation.
C2 noun /ˌækwəˈpɒnɪks/

aquaponics

aquaponie
Meaning
A system of aquaculture in which the waste produced by farmed fish or other aquatic animals supplies nutrients for plants grown hydroponically.
Example
Aquaponics efficiently utilizes water by integrating fish and plant farming.
L'aquaponie utilise l'eau efficacement en intégrant l'élevage de poissons et la culture de plantes.
C2 verb /ˈæntɪdeɪt/

antedate

antérioriser
Meaning
to be earlier in time; to assign a date earlier than the actual one
Example
The manuscript antedates the modern printing press.
Le manuscrit précède l'invention de l'imprimerie moderne.
C2 adjective /ɔːˈɡʌst/

august

auguste
Meaning
Respected and impressive; inspiring reverence or admiration.
Example
The king entered the hall with an august presence.
Le roi entra dans la salle avec une présence auguste.