cleave
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C1 verb /kliːv/

cleave

fendre, couper
Meaning
to split or divide; to cut through forcefully
Example
He used an axe to cleave the wood.
Il a utilisé une hache pour fendre le bois.
C1 adjective /ɪmˈpʌlsɪv/

impulsive

impulsif, spontané
Meaning
acting suddenly without careful thought
Example
She made an impulsive decision to buy the car.
Elle a pris une décision impulsive d'acheter la voiture.
C1 adjective /ˈhiːdləs/

heedless

insouciant
Meaning
showing a reckless lack of care or attention
Example
He drove with heedless disregard for the rules.
Il a conduit avec un mépris total pour les règles.
C1 adjective /ɪnˈkɒmpɪtənt/

incompetent

incompétent
Meaning
Lacking the necessary ability or skills to do something successfully.
Example
He was fired because he was incompetent at his job.
Il a été licencié parce qu'il était incompétent dans son travail.
C1 noun /ˈnaɪt.fɔːl/

nightfall

tombe de la nuit
Meaning
the time when night begins; dusk
Example
They decided to return home before nightfall.
Ils ont décidé de rentrer avant la tombée de la nuit.
C1 noun /ˈheəˌkʌtər/

haircutter

coiffeur
Meaning
a person whose job is to cut and style hair; barber or hairdresser
Example
The haircutter gave me a neat and stylish haircut.
Le coiffeur m’a fait une belle coupe.
C1 noun prɪˈzɝː.və.tɪv

preservative

conservateur
Meaning
A chemical substance that prevents decay, fermentation, or other natural processes that cause food deterioration.
Example
Artificial preservatives are harmful to health.
Les conservateurs artificiels sont nuisibles pour la santé.
C1 verb /ˈsaɪdˌstɛp/

sidestep

éviter
Meaning
To avoid something by stepping aside; to evade a problem or question indirectly.
Example
The politician tried to sidestep the difficult question.
Le politicien a essayé d'éviter la question difficile.
C1 noun/verb /snɛər/

snare

piège
Meaning
a trap for catching animals; to catch or trap
Example
The hunter set a snare to catch rabbits.
Le chasseur a mis un piège pour attraper des lapins.
C1 noun /riːk/

Reek

sentir mauvais; dégager une forte impression de quelque chose de désagréable ou indésirable
Meaning
to have a very unpleasant smell; to give a strong impression of something unpleasant or undesirable
Example
The garbage can reeks of rotten food.
La poubelle dégage une odeur de nourriture pourrie.
C1 noun /ˈʌp.tɜːn/

upturn

amélioration
Meaning
An improvement or upward trend in a situation, especially in business or economy.
Example
The company experienced an upturn in sales last quarter.
L'entreprise a connu une amélioration des ventes le dernier trimestre.
C1 noun /fɪˈlæn.θrə.pɪst/

philanthropist

philanthrope
Meaning
a person who seeks to promote the welfare of others, especially by donating money to good causes
Example
The philanthropist donated millions to build schools in rural areas.
Le philanthrope a fait don de millions pour construire des écoles dans les zones rurales.
C1 noun ˌæmbɪˈɡjuːɪti

ambiguity

ambiguïté, incertitude
Meaning
The quality of being open to more than one interpretation; inexactness.
Example
The ambiguity of the statement caused confusion among the team.
L'ambiguïté de la déclaration a causé de la confusion parmi l'équipe.
C1 noun /rɪˈspɒnsɪvnəs/

responsiveness

réactivité
Meaning
The quality of reacting quickly and positively
Example
The manager appreciated her responsiveness to customer feedback.
Le manager a apprécié sa réactivité aux retours des clients.
C1 noun ˌæp.əˈreɪ.təs

apparatus

appareil
Meaning
The technical equipment or machinery needed for a particular activity or purpose.
Example
The apparatus was designed to be eco-friendly.
L'appareil a été conçu pour être écologique.
C1 adjective /prɪˈzʌmp.tʃu.əs/

presumptuous

prétentieux
Meaning
Overconfident, rude, or taking liberties without permission.
Example
It was presumptuous of him to make that decision without consulting others.
Il a été présomptueux de sa part de prendre cette décision sans consulter les autres.
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 noun /ˈsɪlk.wɜːrm/

Silk-worm

ver à soie
Meaning
the caterpillar of a moth that produces silk fibers used to make silk fabric
Example
Silkworms feed on mulberry leaves to produce silk.
Les vers à soie se nourrissent de feuilles de mûrier pour produire de la soie.
C1 verb /əˈmæs/

amass

accumuler
Meaning
to gather together or accumulate over a period of time
Example
He managed to amass a fortune through wise investments.
Il a réussi à accumuler une fortune grâce à des investissements judicieux.
C1 noun /ˈlɔː.ləs.nəs/

Lawlessness

illégalité
Meaning
absence of law and order; a state where laws do not exist or are not enforced
Example
The city descended into lawlessness after the government collapsed.
La ville est tombée dans l'illégalité après l'effondrement du gouvernement.
C1 noun /ˈvænɡɑːrd/

vanguard

avant-garde
Meaning
the forefront of an action, movement, or military force
Example
The company is at the vanguard of technological innovation.
L'entreprise est à l'avant-garde de l'innovation technologique.
C1 noun /ˈsɒlstɪs/

solstice

solstice
Meaning
the two times in the year when the sun is at its greatest distance from the equator (summer and winter solstice)
Example
People celebrate the summer solstice with festivals and rituals.
Les gens célèbrent le solstice d'été avec des festivals et des rituels.
C1 adjective /ˈstrɛnjuəs/

strenuous

ardu
Meaning
Requiring or using great effort and energy.
Example
Climbing the mountain was a strenuous task.
Grimper la montagne était une tâche ardue.
C1 noun /ˌɪnkoʊˈhɪrəns/

incoherence

incohérence
Meaning
The quality of being unclear, confused, or lacking logical connection.
Example
His speech was full of incoherence and difficult to follow.
Son discours était plein d'incohérences et difficile à suivre.
C1 verb /ɡleɪz/

glaze

glacer
Meaning
to cover with a smooth, shiny surface; to coat with a glossy finish
Example
The chef glazed the cake with chocolate.
Le chef a glacé le gâteau avec du chocolat.
C1 noun /ˈmɒdɪfaɪər/

modifier

modificateur
Meaning
a word or element that changes, limits, or describes the meaning of another word; something that alters or adjusts
Example
In the phrase 'very cold', 'very' is a modifier of 'cold'.
Dans l’expression « very cold », « very » est un modificateur de « cold ».
C1 verb /bɪˈwɪldər/

bewilder

déstabiliser
Meaning
to cause someone to be confused or puzzled
Example
The complex instructions bewildered the students.
Les instructions complexes ont perturbé les étudiants.
C1 noun /ˌæntɪˈsiːdənts/

antecedents

antécédents
Meaning
previous events, conditions, or people that influence or serve as a basis for something that follows
Example
The lawyer examined the criminal antecedents of the suspect.
L'avocat a examiné les antécédents criminels du suspect.
C1 verb /prɪˈkluːd/

preclude

empêcher
Meaning
To prevent something from happening; to make impossible.
Example
Heavy rain precluded the possibility of a picnic.
La forte pluie a empêché la possibilité d'un pique-nique.
C1 noun /ˈsed.ɪ.mənt/

Sediment

sédiment
Meaning
matter that settles to the bottom of a liquid; particles deposited by water or wind
Example
The river carried sediment downstream during the flood.
La rivière a transporté du sédiment en aval pendant l'inondation.
C1 adjective /ˈbɒt.əl ɡriːn/

Bottle-green

vert bouteille
Meaning
a dark green color similar to that of a green glass bottle
Example
She wore a beautiful bottle-green dress to the evening party.
Elle portait une belle robe vert bouteille à la soirée.
C1 adjective /sɑːrˈdɒnɪk/

sardonic

bonheur
Meaning
Grimly mocking or cynical.
Example
She gave him a sardonic smile after hearing his excuse.
Elle ne pouvait pas cacher son bonheur lorsqu'elle a reçu le prix.
C1 noun ˌriːˌvaɪ.təl.aɪˈzeɪ.ʃən

revitalization

revitalisation
Meaning
The action of giving new life and vitality to something.
Example
Proper rest and nutrition lead to revitalization of the body.
Un repos adéquat et une bonne nutrition conduisent à la revitalisation du corps.
C1 noun /ˈlɪməˌziːn/

limousine

une grande voiture de luxe conduite par un chauffeur
Meaning
a large, luxurious car driven by a chauffeur.
Example
The bride arrived in a white limousine.
La mariée est arrivée dans une limousine blanche.
C1 noun /ɑːˌtɪkjʊˈleɪʃən/

articulation

expression
Meaning
The action of putting into words an idea or feeling of a specified type.
Example
His articulation during the debate impressed everyone.
Son articulation lors du débat a impressionné tout le monde.
C1 noun /ˈpæŋkriəs/

pancreas

pancréas
Meaning
A gland in the abdomen that produces insulin and digestive enzymes.
Example
The pancreas plays a vital role in digestion and blood sugar regulation.
Le pancréas joue un rôle vital dans la digestion et la régulation du sucre sanguin.
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.
C1 adverb /əˈlɜːrtli/

alertly

attentivement
Meaning
in a watchful, attentive, and quick-to-notice manner
Example
She listened alertly to every sound in the dark forest.
Elle écoutait attentivement chaque bruit dans la forêt sombre.
C1 adjective /ˈfrɪvələs/

frivolous

frivole
Meaning
Not having any serious purpose or value; silly or unimportant.
Example
She dismissed the frivolous complaint quickly.
Elle a rapidement rejeté la plainte frivole.
C1 noun /ɪmˈpjʊərəti/

impurity

impureté
Meaning
the state of being unclean or contaminated; a substance that makes something impure
Example
The scientist removed every impurity from the water sample.
Le scientifique a éliminé chaque impureté de l’échantillon d’eau.
C1 adjective /tjuːˈmʌltʃuəs/

tumultuous

tumultueux
Meaning
Characterized by disorder, noisy excitement, or emotional agitation.
Example
They had a tumultuous relationship full of ups and downs.
Ils avaient une relation tumultueuse pleine de hauts et de bas.
C1 adverb /ˌɪn.ədˈvɜːr.tənt.li/

Inadvertently

involontairement; par erreur
Meaning
without being aware of what you are doing; unintentionally; by mistake
Example
She inadvertently deleted the important file while cleaning her computer.
Elle a accidentellement supprimé le fichier important en nettoyant son ordinateur.
C1 adjective /ˌhaɪ.drəˈpɒn.ɪk/

hydroponic

hydroponique
Meaning
Relating to the process of growing plants in sand, gravel, or liquid, with added nutrients but without soil.
Example
Hydroponic farming allows crops to grow without soil.
L'agriculture hydroponique permet aux cultures de pousser sans sol.
C1 noun /ɡruːv/

groove

rainure / rythme
Meaning
a long narrow cut or depression, or a rhythmic pattern in music
Example
The DJ kept the crowd dancing to the groove.
Le DJ a fait danser la foule sur le groove.
C1 adjective /ˈheɪt.fəl/

Hateful

Haineux
Meaning
causing or deserving hatred; extremely unpleasant or offensive
Example
His hateful comments hurt everyone's feelings.
Ses commentaires haineux ont blessé les sentiments de tout le monde.
C1 adjective /ɪˈnuːmərəbəl/

Innumerable

innombrable; incalculable; infini
Meaning
too many to be counted; countless; infinite in number
Example
There are innumerable stars in the night sky that we cannot see with our naked eyes.
Il y a d'innombrables étoiles dans le ciel nocturne que nous ne pouvons pas voir à l'œil nu.
C1 noun /ˈtæbloʊ/

tableau

tableau
Meaning
a striking or artistic scene or arrangement of people or objects, often presented on stage or in art
Example
The actors froze in a tableau that captured the final moment of the play.
Les acteurs sont restés figés dans un tableau qui capturait le dernier moment de la pièce.
C1 adjective /ˈkælkjʊleɪtɪŋ/

calculating

calculateur
Meaning
acting in a scheming and ruthlessly determined way
Example
He had a cold and calculating approach to business.
Il avait une approche froide et calculatrice des affaires.
C1 adjective /həˈmɑː.dʒə.nəs/

homogenous

homogène
Meaning
Similar or uniform in nature; often used interchangeably with 'homogeneous'.
Example
The class was made up of a homogenous group of students.
La classe était composée d'un groupe homogène d'étudiants.
C1 noun /ˈsɛntɪˌliːtər/

centiliter

centilitre
Meaning
A metric unit of capacity equal to one hundredth of a liter.
Example
The recipe calls for 20 centiliters of milk.
La recette demande vingt centilitres de lait.
C1 noun ˈsɛlfləsnɪs

selflessness

altruisme
Meaning
The quality of being concerned more with the needs of others than with one's own.
Example
Selflessness is a key value for community building.
L'altruisme est une valeur clé pour la construction de la communauté.
C1 noun /ʃəˈmiːz/

Chemise

chemise
Meaning
a woman's loose-fitting undergarment or dress hanging straight from the shoulders
Example
The vintage chemise was made of delicate lace and silk.
La chemise vintage était faite de dentelle délicate et de soie.
C1 noun /moʊˈzeɪɪk/

mosaic

mosaïque
Meaning
A picture or pattern produced by arranging together small pieces of stone, tile, or glass.
Example
The church ceiling was decorated with a beautiful mosaic.
Le plafond de l'église était décoré d'une magnifique mosaïque.
C1 verb /ˈpɑːzɪt/

posit

poser
Meaning
To assume or suggest something as a fact or basis for reasoning.
Example
The scientist posited a new theory to explain the phenomenon.
Le scientifique a posé une nouvelle théorie pour expliquer le phénomène.
C1 verb /ˈduːdəl/

doodle

gribouiller
Meaning
To draw or scribble absentmindedly, often while thinking about something else.
Example
She doodled flowers in the corner of her notebook during class.
Elle dessinait des fleurs dans le coin de son cahier pendant le cours.
C1 verb /ɔːɡˈmɛnt/

augment

augmenter
Meaning
To increase or strengthen something.
Example
The company plans to augment its workforce.
L'entreprise prévoit d'augmenter sa main-d'œuvre.
C1 noun /foʊ/

foe

ennemi
Meaning
an enemy or opponent
Example
The knight fought bravely against his foe.
Le chevalier a combattu courageusement contre son ennemi.
C1 noun ænˈtɪk.wə.ti

antiquity

antiquité
Meaning
The ancient past, especially the period of classical and other human civilizations before the Middle Ages.
Example
The ruins are a reminder of the city's antiquity.
Les ruines sont un rappel de l'antiquité de la ville.
C1 noun/adjective /fɔːrˈboʊdɪŋ/

foreboding

présage inquiétant
Meaning
A feeling that something bad will happen; ominous.
Example
She felt a deep sense of foreboding as she entered the abandoned house.
Elle ressentit une profonde sensation de présage inquiétant en entrant dans la maison abandonnée.
C1 verb /ˈtrɛspəs/

trespass

empiéter
Meaning
to enter someone's land or property without permission
Example
He was fined for trespassing on private land.
Il a été condamné à une amende pour avoir pénétré sur une propriété privée.
C1 noun /maɪm/

Mime

mime; acteur de mime
Meaning
A performer who acts without words, using only gestures and body movements
Example
The street mime entertained the crowd with his invisible box routine.
Le mime de rue a diverti la foule avec sa routine de boîte invisible.
C1 adjective /ˈkɔː.stɪk/

caustic

caustique, acerbe
Meaning
able to burn or corrode by chemical action; severely sarcastic
Example
Her caustic remarks hurt his feelings.
Ses remarques caustiques ont blessé ses sentiments.
C1 verb /mɑːr/

mar

abîmer
Meaning
to spoil or damage the appearance or quality of something
Example
The scratch will mar the beauty of the painting.
La rayure abîmera la beauté de la peinture.
C1 noun /nɪl/

Nil

zéro; rien
Meaning
nothing; zero; no amount
Example
His chances of winning were nil after the scandal.
Ses chances de gagner étaient nulles après le scandale.
C1 noun /ˌplɔː.zəˈbɪl.ə.ti/

plausibility

plausibilité
Meaning
The quality of being reasonable or probable.
Example
The plausibility of his explanation convinced the jury.
La plausibilité de son explication a convaincu le jury.
C1 verb /ˌdiːˈbʌŋk/

debunk

démystifier, exposer la fausseté de
Meaning
Expose the falseness or hollowness of (a myth, idea, or belief).
Example
Scientists debunked the myth that vaccines cause autism.
Les scientifiques ont démystifié le mythe selon lequel les vaccins causent l'autisme.
C1 adjective /ˈfeɪl.seɪf/

fail-safe

antifaille
Meaning
designed to prevent failure or accidents; guaranteed to work correctly
Example
The engineers installed a fail-safe mechanism in the nuclear plant.
Les ingénieurs ont installé un mécanisme antifaille dans la centrale nucléaire.
C1 noun /ˈsɛvərəns/

severance

indemnité de licenciement
Meaning
the act of ending something, especially a relationship or employment; compensation paid upon termination
Example
The company offered him severance pay after his job ended.
L'entreprise lui a offert une indemnité de licenciement après la fin de son emploi.
C1 adjective /ˌɪnsərˈmaʊntəbl/

insurmountable

insurmontable
Meaning
Too great to be overcome.
Example
The explorers faced insurmountable odds in the desert.
Les explorateurs ont fait face à des obstacles insurmontables dans le désert.
C1 adjective /ˈpælpəbl̩/

palpable

bonheur
Meaning
easily perceived or felt; so intense as to seem almost tangible
Example
There was a palpable sense of excitement in the room.
Elle ne pouvait pas cacher son bonheur lorsqu'elle a reçu le prix.
C1 adjective /ˌʌnfɔːrˈsiːn/

unforeseen

Meaning
Not anticipated or predicted; unexpected.
Example
The project faced unforeseen challenges that delayed its completion.
C1 adjective /ɪˈrɛpərəbəl/

Irreparable

irréparable
Meaning
impossible to repair or fix; permanent damage that cannot be undone
Example
The accident caused irreparable damage to his spine.
L'accident a causé des dommages irréparables à sa colonne vertébrale.
C1 verb /əˈbaʊnd/

abound

abonder
Meaning
To exist in large numbers or amounts.
Example
Opportunities abound in the field of technology.
Les opportunités abondent dans le domaine de la technologie.
C1 adjective /dɪˈsiːtfəl/

deceitful

trompeur
Meaning
Deliberately misleading or dishonest.
Example
She gave a deceitful answer to hide the truth.
Elle a donné une réponse trompeuse pour cacher la vérité.
C1 adjective /ɪˌlɪzəˈbiːθən/

elizabethan

époque élisabéthaine
Meaning
Relating to the reign of Queen Elizabeth I of England (1558–1603), especially the style of that period.
Example
Shakespeare wrote many of his plays during the Elizabethan era.
Shakespeare a écrit de nombreuses pièces pendant l'époque élisabéthaine.
C1 noun vaɪˈtæləti

vitality

vitalité, énergie
Meaning
The state of being strong and active; energy.
Example
The vitality of the team helped them succeed in the competition.
La vitalité de l'équipe les a aidés à réussir dans la compétition.
C1 verb /ˈmɜːrmər/

murmur

murmurer
Meaning
To say something in a low, soft, or indistinct voice.
Example
She murmured a prayer before going to sleep.
Elle murmura une prière avant de s'endormir.
C1 adjective /rɪˈsɛptɪv/

receptive

réceptif
Meaning
Willing to listen to or accept new ideas, suggestions, or experiences.
Example
She was receptive to feedback from her colleagues.
Elle était réceptive aux commentaires de ses collègues.
C1 verb ɪɡˈzæsərbeɪt

exacerbate

aggraver
Meaning
To make a problem, bad situation, or negative feeling worse.
Example
Climate change exacerbates flooding issues.
Le changement climatique aggrave les problèmes d'inondation.
C1 adjective /ˈmɒdʒʊlər/

modular

modulaire
Meaning
Employing or involving a module or modules as the basis of design or construction.
Example
The modular design allows for easy customization and scalability.
La conception modulaire permet une personnalisation et une évolutivité faciles.
C1 adjective /ˈpiːvɪʃ/

peevish

irritable
Meaning
Easily irritated, especially by unimportant things.
Example
The child grew peevish when denied candy.
L'enfant est devenu irritable lorsqu'on lui a refusé des bonbons.
C1 adjective /ˈhɪd.i.əs/

Hideous

hideux; repoussant; affreux
Meaning
extremely ugly or unpleasant; causing shock or disgust
Example
The monster in the movie had a hideous appearance.
Le monstre dans le film avait une apparence hideuse.
C1 noun/verb /rɪˈpoʊz/

repose

repos
Meaning
a state of rest, sleep, or tranquility; to rest or lie in a peaceful position
Example
After the long journey, she sought repose in the quiet garden.
Après le long voyage, elle chercha le repos dans le jardin tranquille.
C1 adjective /ˌprɛfəˈrɛnʃəl/

preferential

privilégié
Meaning
showing or giving advantage to one over others
Example
Members receive preferential treatment at the club.
Les membres bénéficient d'un traitement préférentiel au club.
C1 noun /ˌmɪdˈsʌm.ər/

midsummer

milieu de l'été
Meaning
The middle of summer, often around the summer solstice in June.
Example
We had a festival to celebrate midsummer.
Nous avons organisé un festival pour célébrer le milieu de l'été.
C1 adjective /ˌser.ɪˈmoʊ.ni.əl/

Ceremonial

cérémonial
Meaning
relating to or used in ceremonies; formal and ritualistic
Example
The ceremonial dress was worn during the royal wedding.
La robe cérémoniale a été portée pendant le mariage royal.
C1 adjective /ˈsted.fæst/

Steadfast

ferme; déterminé; inébranlable
Meaning
firm in belief, determination, or adherence; unwavering
Example
She remained steadfast in her commitment to helping the poor.
Elle est restée ferme dans son engagement à aider les pauvres.
C1 noun /ˈɛpɪˌlɔːɡ/

epilogue

épilogue
Meaning
A section at the end of a book, play, or speech that serves as a conclusion.
Example
The author included an epilogue to explain what happened to the characters later.
L'auteur a inclus un épilogue pour expliquer ce qui est arrivé aux personnages par la suite.
C1 adverb /ˌwɛr.əˈpɒn/

whereupon

immédiatement après
Meaning
Immediately after which; as a result of which.
Example
He confessed his mistake, whereupon she forgave him.
Il a avoué son erreur, immédiatement après elle lui a pardonné.
C1 adjective /ˈsʌbstəntɪv/

substantive

important
Meaning
Having a firm basis in reality; important, meaningful, or considerable.
Example
The company made substantive changes to its policy.
L'entreprise a apporté des changements importants à sa politique.
C1 noun /mælˈpræktɪs/

Malpractice

malpratique
Meaning
Improper, illegal, or negligent professional behavior
Example
The surgeon was sued for malpractice after the failed operation.
Le chirurgien a été poursuivi pour malpratique après l'échec de l'opération.
C1 adjective /ɔːˈdeɪ.ʃəs/

Audacious

audacieux
Meaning
showing willingness to take bold risks; daring
Example
His audacious plan to climb the mountain without proper equipment shocked everyone.
Son plan audacieux de gravir la montagne sans équipement approprié a choqué tout le monde.
C1 noun /ˈbɔɪənsi/ or /ˈbuːjənsi/

buoyancy

flottabilité, gaieté
Meaning
The ability to float in a liquid; cheerfulness and optimism.
Example
Her natural buoyancy lifted the mood of the group.
Sa flottabilité naturelle a remonté le moral du groupe.
C1 verb /trəˈvɜːrs/

traverse

traverser
Meaning
To travel across or through something.
Example
They traversed the desert on camels.
Ils ont traversé le désert à dos de chameau.
C1 noun /ˌsɛrənˈdɪpɪti/

serendipity

sérendipité
Meaning
The occurrence of events by chance in a happy or beneficial way.
Example
Finding that old photo album was pure serendipity.
Trouver cet ancien album photo a été de la pure sérendipité.
C1 adjective /ˈwɒŋki/

Wonky

instable; peu fiable; qui ne fonctionne pas correctement
Meaning
unstable; unreliable; not working properly
Example
The old chair was wonky and wobbled every time someone sat on it.
La vieille chaise était instable et tanguait chaque fois que quelqu'un s'y asseyait.
C1 noun /ˈdʒiː.nəs/

genus

genre
Meaning
a category in biological classification ranking above species and below family
Example
The tiger belongs to the genus Panthera.
Le tigre appartient au genre Panthera.
C1 noun ˌriːˈstrʌk.tʃər.ɪŋ

restructuring

réorganisation
Meaning
The action of organizing something differently.
Example
The company underwent restructuring to improve efficiency.
L'entreprise a subi une réorganisation pour améliorer son efficacité.
C1 noun /ˈɡeɪ.ə.ti/

Gaiety

gaieté; ambiance festive;
Meaning
the state or quality of being light-hearted or cheerful; festive atmosphere
Example
The wedding reception was filled with gaiety, laughter, and joyful celebrations.
La réception de mariage était remplie de gaieté, de rires et de célébrations joyeuses.
C1 verb /stoʊk/

stoke

attiser le feu; encourager ou augmenter un sentiment ou une activité forte
Meaning
To add fuel to a fire; to encourage or increase a strong feeling or activity.
Example
The politician’s speech stoked anger among the crowd.
Le discours du politicien a enflammé la colère parmi la foule.
C1 noun /ˈrɛl.ɪk/

relic

relique
Meaning
an object surviving from an earlier time, often of historical or religious interest
Example
The museum displayed relics from the ancient civilization.
Le musée a exposé des reliques de la civilisation ancienne.
C1 noun /ˈiːzl̩/

easel

support pour toile
Meaning
a frame for supporting an artist's canvas while painting or drawing
Example
The artist placed the canvas on the easel before starting to paint.
L'artiste a placé la toile sur le chevalet avant de commencer à peindre.
C1 noun sɜːrˈkeɪdiən ˈrɪðəm

circadian rhythm

rythme circadien
Meaning
The body's natural sleep-wake cycle that occurs within 24 hours
Example
Exposure to natural light regulates the circadian rhythm.
L'exposition à la lumière naturelle régule le rythme circadien.
C1 adjective ˌmiː.ti.ər.əˈlɒdʒ.ɪ.kəl

meteorological

météorologique
Meaning
Relating to weather conditions and atmospheric phenomena.
Example
Meteorological conditions affect farming cycles.
Les conditions météorologiques influent sur les cycles agricoles.
C1 verb /ˈmɛzməˌraɪz/

mesmerize

hypnotiser
Meaning
To capture complete attention; to hypnotize or fascinate.
Example
The dancer's graceful movements mesmerized the audience.
Les mouvements gracieux de la danseuse ont hypnotisé le public.
C1 verb /ˌpriːˈmɛdɪteɪt/

premeditate

préméditer
Meaning
to think about and plan something (especially a crime) beforehand
Example
The suspect was accused of premeditating the crime.
Le suspect a été accusé d'avoir prémédité le crime.
C1 noun /ʃəˈreɪd/

charade

farce, jeu de mimes
Meaning
an absurd pretense or act intended to deceive; also a word-guessing game
Example
The trial was nothing more than a political charade.
Le procès n'était rien d'autre qu'une farce politique.
C1 noun /əˈkɔːrdiən/

accordion

accordéon (instrument de musique)
Meaning
a musical instrument played by squeezing and expanding with keys and buttons
Example
The musician played a cheerful tune on the accordion.
Le musicien a joué un air joyeux à l'accordéon.
C1 adjective /ˌʌndərˈhændɪd/

underhanded

sournois
Meaning
acting or done in a dishonest or secret way
Example
They exposed the company's underhanded dealings with its suppliers.
Ils ont exposé les pratiques sournoises de l'entreprise avec ses fournisseurs.
C1 verb /fɔːˈbɛər/

forbear

s'abstenir
Meaning
To refrain from doing something; to show patience or self-control.
Example
She forbore from commenting on his mistake.
Elle s'est abstenue de commenter son erreur.
C1 noun /ˈlɛk.sɪ.kɒn/

lexicon

lexique
Meaning
The vocabulary of a person, language, or branch of knowledge; a collection of words and terms.
Example
A translator must have a vast lexicon of both languages.
Un traducteur doit avoir un vaste lexique des deux langues.
C1 verb /əbˈzɒlv/

absolve

absoudre
Meaning
to free someone from blame, guilt, or responsibility; to pardon
Example
The priest absolved him of his sins.
Le prêtre l'a absous de ses péchés.
C1 noun fluˈɪd.ɪ.ti

fluidity

fluidité
Meaning
The ability of a substance to flow easily; smooth and graceful movement or style.
Example
The fluidity of the dancer's movements was mesmerizing.
La fluidité des mouvements de la danseuse était envoûtante.
C1 adjective /ˈnɔːtɪkəl/

nautical

nautique
Meaning
relating to ships, sailors, or navigation on water
Example
He studied nautical charts before setting sail.
Il a étudié les cartes nautiques avant de prendre le large.
C1 noun nɪˈmɒnɪks

mnemonics

technique mnémotechnique, aide-mémoire
Meaning
A technique to aid memory; a device such as a pattern of letters, ideas, or associations
Example
Mnemonics help in remembering complex concepts easily.
Les mnémoniques aident à se souvenir des concepts complexes facilement.
C1 noun /ˈspɔɪlˌspɔːrt/

spoilsport

rabat-joie
Meaning
A person who ruins other people's enjoyment or fun.
Example
Don't be a spoilsport and let us enjoy the party.
Ne sois pas un rabat-joie et laisse-nous profiter de la fête.
C1 noun /ˌdɛtəˈneɪʃən/

detonation

détonation
Meaning
The act of exploding or causing something to explode.
Example
The sudden detonation shook the entire building.
La détonation soudaine a secoué tout le bâtiment.
C1 noun /ˈruː.bi/

Ruby

rubis
Meaning
a precious red gemstone; a deep red variety of corundum
Example
The ruby ring was her most treasured possession.
La bague en rubis était sa possession la plus précieuse.
C1 adjective /ɪˈvæljʊətɪv/

evaluative

évaluatif
Meaning
Relating to or involving evaluation or assessment.
Example
The evaluative phase of the project involves assessing its success.
La phase évaluative du projet consiste à évaluer son succès.
C1 verb /dɪˈɡreɪd/

degrade

dégrader
Meaning
To lower in dignity, quality, or value; to treat with disrespect or to deteriorate.
Example
Harsh words can degrade a person's confidence.
Les mots durs peuvent dégrader la confiance d'une personne.
C1 noun, adjective /ˌproʊlɪˈtɛəriən/

proletarian

prolétaire
Meaning
Relating to the working class, especially those who do not own property.
Example
The movement was rooted in proletarian struggles.
Le mouvement était enraciné dans les luttes prolétaires.