solubility
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C1 noun /ˌsɒl.jʊˈbɪləti/

solubility

solubilité
Meaning
The ability of a substance to dissolve in a solvent.
Example
The solubility of salt in water is high.
La solubilité du sel dans l'eau est élevée.
C1 adjective /ˈæmərəs/

amorous

amoureux
Meaning
Showing, feeling, or relating to romantic love or desire.
Example
He sent her an amorous letter filled with declarations of love.
Il lui a envoyé une lettre amoureuse pleine de déclarations d'amour.
C1 verb /ˈprɒpəɡeɪt/

propagate

propager
Meaning
To spread or transmit an idea, belief, or information widely; also to reproduce in plants or animals.
Example
Scientists work to propagate the species in captivity.
Les scientifiques travaillent à propager les espèces en captivité.
C1 verb /ˈsnɪkər/

snicker

rire discrètement
Meaning
to laugh quietly in a disrespectful or mocking way
Example
The students snickered when the teacher made a mistake.
Les étudiants ont ri discrètement lorsque le professeur a fait une erreur.
C1 adjective /ˈstraɪ.dənt/

strident

strident, bruyant
Meaning
loud and harsh; presenting a point of view in a forceful way
Example
His strident voice made the debate uncomfortable.
Sa voix stridente rendait le débat inconfortable.
C1 verb /bɪˈsiːdʒ/

besiege

assiéger
Meaning
to surround a place with armed forces to capture it; to overwhelm with requests or attention
Example
The city was besieged by enemy troops.
La ville a été assiégée par des troupes ennemies.
C1 adjective /pəˈrɛniəl/

perennial

pérenne
Meaning
lasting or existing for a long time, or recurring continually
Example
Climate change is a perennial concern for scientists.
Le changement climatique est une préoccupation pérenne pour les scientifiques.
C1 noun /ˈkɒnɪfər/

conifer

Conifère
Meaning
a type of tree that bears cones and evergreen needle-like leaves, such as pine or fir
Example
The forest is dominated by conifers like pine and spruce.
La forêt est dominée par des conifères comme le pin et l'épicéa.
C1 verb /ˈskruː.tɪ.naɪz/

scrutinize

examiner ou inspecter de près et en profondeur
Meaning
Examine or inspect closely and thoroughly.
Example
The scientist scrutinized the data before publishing his findings.
Le scientifique a scruté les données avant de publier ses conclusions.
C1 noun /swiːt.laɪm/

Sweetlime

citron doux
Meaning
a citrus fruit that is sweeter and less acidic than regular lime
Example
The sweetlime juice was refreshing on a hot day.
Le jus de citron doux était rafraîchissant lors d'une journée chaude.
C1 noun /ˈɔːrθədɑːksi/

orthodoxy

orthodoxie
Meaning
traditional or generally accepted beliefs and practices
Example
The religious leader defended the orthodoxy of the faith.
Le leader religieux a défendu l'orthodoxie de la foi.
C1 noun /ˈnɪkəl/

nickel

nickel
Meaning
a small coin, typically worth five cents in the United States
Example
He found a nickel on the ground.
Il a trouvé un nickel par terre.
C1 adjective /dɪˈmɒnstrətɪv/

demonstrative

expressif
Meaning
openly showing feelings, especially affection or emotion
Example
She was very demonstrative with her affection towards her friends.
Elle était très expressive avec son affection envers ses amis.
C1 adjective /ˈprɒdɪɡəl/

prodigal

dissipateur
Meaning
spending money or resources freely and recklessly; wastefully extravagant
Example
The prodigal son returned home after wasting his inheritance.
Le fils prodigue est revenu à la maison après avoir gaspillé son héritage.
C1 adjective /ˌɪnɔːrˈɡænɪk/

inorganic

inorganique
Meaning
relating to substances that are not derived from living organisms; lacking organic structure or growth
Example
Inorganic compounds are commonly studied in chemistry labs.
Les composés inorganiques sont courants en chimie.
C1 noun prəˈpʌl.ʃən

propulsion

propulsion
Meaning
The action of driving or pushing forward.
Example
Jet engines provide propulsion for aircraft to travel long distances.
Les moteurs à réaction fournissent la propulsion aux aéronefs pour parcourir de longues distances.
C1 noun /ˈboʊ.ə/

Boa

boa constrictor
Meaning
a large non-venomous snake that kills prey by constriction
Example
The boa constrictor wrapped around its prey.
Le boa constrictor s'est enroulé autour de sa proie.
C1 noun /mɒb/

Mob

foule; un groupe qui agit de manière violente
Meaning
a large crowd of people; a group that acts in a violent way
Example
An angry mob gathered outside the building.
Une foule en colère s'est rassemblée devant le bâtiment.
C1 adjective kəˈlɒs.əl

Colossal

colossal
Meaning
Extremely large, gigantic, enormous in size or extent.
Example
The colossal pyramids of Egypt are a marvel of architecture.
Les pyramides colossales d'Égypte sont un miracle de l'architecture.
C1 noun /ˌlaɪ.sənˈsiː/

Licensee

titulaire de la licence
Meaning
a person or organization that holds a license to do something
Example
The licensee is responsible for following all regulations.
Le titulaire de la licence est responsable du respect de toutes les réglementations.
C1 noun /ˈtaɪ.rənt/

Tyrant

tyran
Meaning
a cruel and oppressive ruler; a person who exercises power in a harsh manner
Example
The people rebelled against the cruel tyrant.
Le peuple s'est rebellé contre le tyran cruel.
C1 verb ˈlæŋ.ɡwɪʃ

languish

dégringoler ou languir
Meaning
To remain in a state of neglect or decline for a long time without improvement.
Example
The project began to languish due to a lack of funding.
Le projet a commencé à languir en raison du manque de financement.
C1 adverb /ˈeɪ.mi.ə.bli/

Amiably

amicalement, de manière amicale
Meaning
in a friendly and pleasant manner
Example
They discussed the issue amiably without any arguments.
Ils ont discuté du problème amicalement sans aucune dispute.
C1 noun /ˈkɒmən kɑːp/

Common Carp

carpe commune
Meaning
A large freshwater fish widely cultivated for food
Example
Common carp is an important fish in aquaculture.
La carpe commune est un poisson important en aquaculture.
C1 verb /ˌoʊvərˈruːl/

overrule

rejeter
Meaning
to reject or disallow by exercising one's superior authority; to override a decision
Example
The judge overruled the objection from the defense attorney.
Le juge a rejeté l'objection de l'avocat de la défense.
C1 adjective ɪkˈskwɪzɪt

exquisite

exquis
Meaning
Extremely beautiful and delicate.
Example
The exquisite craftsmanship of the watch made it a collector's item.
Le savoir-faire exquis de la montre en a fait un objet de collection.
C1 adjective /pərˈsweɪdəbl̩/

persuadable

facilement influençable
Meaning
capable of being convinced or influenced to do something
Example
She was easily persuadable when it came to trying new foods.
Elle était facilement influençable quand il s'agissait d'essayer de nouveaux aliments.
C1 noun /stɪnt/

stint

période temporaire
Meaning
a period of time spent doing a particular job or activity
Example
She did a short stint as a teacher before moving abroad.
Elle a fait un court passage en tant qu'enseignante avant de partir à l'étranger.
C1 adjective /ˈhæk.nid/

hackneyed

usé
Meaning
Used too often and therefore lacking originality or freshness.
Example
The speech was filled with hackneyed phrases that failed to inspire the audience.
Le discours était rempli de phrases usées qui n'ont pas réussi à inspirer le public.
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 noun /ˌmɒd.jʊˈleɪ.ʃən/

modulation

contrôle de la voix
Meaning
The process of varying or controlling something.
Example
Proper modulation of voice enhances communication skills.
Une bonne modulation de la voix améliore les compétences en communication.
C1 verb /ræsp/

rasp

parler d'une voix rugueuse ou râper avec un bruit grossier
Meaning
to speak in a rough, harsh voice or to scrape with a coarse sound
Example
He rasped out a warning before collapsing.
Il a râpé un avertissement avant de s'effondrer.
C1 noun /ˈtæntrəm/

tantrum

colère
Meaning
An uncontrolled outburst of anger and frustration, typically in a young child.
Example
The child threw a tantrum when he didn’t get the toy.
L'enfant a eu une colère quand il n'a pas eu le jouet.
C1 noun /səˈbraɪəti/

sobriety

sobriété
Meaning
the state of being sober; self-restraint and seriousness
Example
He has maintained his sobriety for five years.
Il a maintenu sa sobriété pendant cinq ans.
C1 noun ɪnˈdaʊmənt

endowment

dote, don
Meaning
An income or form of property given or bequeathed to someone.
Example
The university received a large endowment for research.
L'université a reçu une grande dotation pour la recherche.
C1 adjective /ˈneɡ.lɪ.dʒənt/

Negligent

négligent
Meaning
failing to take proper care; careless; showing lack of attention
Example
The negligent driver caused a serious accident.
Le conducteur négligent a causé un accident grave.
C1 adjective ˈdɔːn.tɪŋ

daunting

intimidant ou difficile
Meaning
Something that seems intimidating or challenging.
Example
The task seemed daunting, but she completed it successfully.
La tâche semblait intimidante, mais elle l'a terminée avec succès.
C1 noun /huːf/

Hoof

fer
Meaning
the hard part covering the foot of horses, cattle, sheep, and other animals
Example
The horse's hoof was injured after stepping on a sharp rock.
Le fer du cheval a été blessé après avoir marché sur une roche tranchante.
C1 noun /ˈnɑːrsɪsɪst/

narcissist

narcissiste
Meaning
A person who has an excessive interest in or admiration of themselves.
Example
Everyone avoided him because he was a narcissist.
Tout le monde l'évitait parce qu'il était un narcissiste.
C1 adjective /ˈprɪvi/

privy

connaissance secrète
Meaning
having access to secret or private knowledge
Example
She was privy to the confidential discussions.
Elle était au courant des discussions confidentielles.
C1 noun /ˈmænər/

manor

manoir
Meaning
A large country house with lands; the main house of an estate.
Example
The old manor stood proudly on the hill for centuries.
Le vieux manoir se tenait fièrement sur la colline pendant des siècles.
C1 verb /məˈtɪərɪəlaɪz/

materialize

se matérialiser
Meaning
To become real or actual; to appear suddenly or in a physical form.
Example
The opportunity he had been waiting for finally materialized.
L'opportunité qu'il attendait est enfin matérialisée.
C1 verb /ˈrɛplɪkeɪt/

replicate

répliquer
Meaning
to copy, reproduce, or duplicate something exactly
Example
The scientist tried to replicate the experiment for accuracy.
Le scientifique a essayé de répliquer l'expérience pour plus de précision.
C1 noun /ˈɪd.i.əm/

idiom

idiome
Meaning
A group of words whose meaning is different from the meanings of the individual words.
Example
The idiom 'break the ice' means to start a conversation in a friendly way.
L'idiome 'briser la glace' signifie commencer une conversation de manière amicale.
C1 verb /daɪˈvɜːrdʒ/

diverge

diverger
Meaning
to separate and go in different directions; to differ
Example
The two paths diverge at the fork in the road.
Les deux chemins se séparent à la bifurcation de la route.
C1 verb /piːk/

pique

éveiller
Meaning
to stimulate interest or curiosity; to arouse resentment or anger
Example
Her remarks piqued his curiosity about the secret project.
Ses remarques ont éveillé sa curiosité pour le projet secret.
C1 noun /rɪˌsɛptɪˈvɪti/

receptivity

réceptivité
Meaning
The ability or willingness to receive something, especially signals or stimuli.
Example
Her receptivity to new ideas helped improve the project.
Sa réceptivité aux nouvelles idées a contribué à améliorer le projet.
C1 adjective /ˈspjʊəriəs/

spurious

faux / frauduleux
Meaning
Not genuine, authentic, or true; false or fake.
Example
The report was based on spurious claims.
Le rapport était basé sur des affirmations fausses.
C1 noun ˈkeɪ.dəns

cadence

rythme et fluctuation de la voix
Meaning
The rhythm and flow of speech with rise and fall in tone.
Example
His speech had a natural cadence that captivated the audience.
Son discours avait une cadence naturelle qui captivait le public.
C1 noun əˈɡrɛriən səˈsaɪətiz

agrarian societies

sociétés agricoles
Meaning
Societies based on agriculture and farming as the primary economic activity.
Example
Agrarian societies emerged from a need for stable food sources.
Les sociétés agricoles ont émergé d'un besoin de sources alimentaires stables.
C1 noun /ˈsɑːɡə/

saga

longue histoire
Meaning
A long story of heroic achievement, or a long, complex series of events.
Example
The company's rise and fall became a corporate saga.
L'ascension et la chute de l'entreprise est devenue une saga d'entreprise.
C1 noun /ˈdɒɡmə/

dogma

dogme
Meaning
A principle or set of principles laid down by an authority as incontrovertibly true.
Example
The religious leader strictly adhered to traditional dogma.
Le leader religieux s'est strictement conformé au dogme traditionnel.
C1 noun /jiːld ˌɒptɪmaɪˈzeɪʃən/

yield optimization

optimisation du rendement
Meaning
The process of maximizing the productivity or efficiency of crop production through various agricultural techniques and practices.
Example
Yield optimization techniques can significantly improve crop production.
Les techniques d'optimisation du rendement peuvent améliorer considérablement la production de cultures.
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.
C1 noun ˌdʒiːəˈlɒdʒɪkəl ˈstrʌktʃər

geological structure

structure géologique
Meaning
The arrangement and composition of rocks, minerals, and landforms in the Earth's crust.
Example
Scientists will study the Moon's geological structure.
Les scientifiques étudieront la structure géologique de la lune.
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 noun, verb /buːz/

booze

alcool
Meaning
alcoholic drink, especially strong liquor; to drink alcohol, often excessively
Example
They bought some booze for the party.
Ils ont acheté de l’alcool pour la fête.
C1 verb /ˌdɪsɪnˈɡeɪdʒ/

disengage

désengager
Meaning
To release or detach oneself from something; to withdraw.
Example
He tried to disengage from the heated argument.
Il a essayé de se désengager de la discussion animée.
C1 verb /hjuːˈmɪlieɪt/

humiliate

humilier
Meaning
to make someone feel ashamed or foolish by injuring their dignity
Example
He was humiliated by his public failure.
Il a été humilié par son échec public.
C1 verb /ˈskwɒndər/

squander

gaspiller
Meaning
to waste money, time, or opportunities in a careless way
Example
He squandered his inheritance on gambling.
Il a gaspillé son héritage dans les jeux de hasard.
C1 adjective /ˈsiːs.ləs/

Ceaseless

incessant; continu
Meaning
continuing without pause or interruption; endless
Example
The ceaseless rain lasted for three days.
La pluie incessante a duré trois jours.
C1 adjective /ʌnˈvaɪəbl/

unviable

invivable
Meaning
Not capable of working successfully; not feasible or practical.
Example
The project was deemed unviable due to high costs.
Le projet a été jugé invivable en raison des coûts élevés.
C1 noun /ˈstoʊəˌweɪ/

stowaway

passager clandestin
Meaning
A person who hides on a ship, plane, or other vehicle in order to travel secretly without paying.
Example
The crew discovered a stowaway hiding in the cargo hold.
L'équipage a découvert un passager clandestin caché dans la soute.
C1 noun /ˈsmætərɪŋ/

smattering

connaissance superficielle
Meaning
A small amount or superficial knowledge of something.
Example
He has a smattering of Spanish.
Il a une connaissance superficielle de l'espagnol.
C1 noun /səˈprɛʃən/

suppression

suppression
Meaning
the act of forcibly stopping something or holding back feelings or actions
Example
The suppression of free speech led to protests.
La suppression de la liberté d'expression a conduit à des manifestations.
C1 adjective /ˈpɑːr.dən.ə.bəl/

Pardonable

pardonnable
Meaning
able to be forgiven; excusable
Example
His mistake was pardonable given the difficult circumstances.
Son erreur était pardonnable étant donné les circonstances difficiles.
C1 noun /ˈrɪɡər/

rigor

rigueur
Meaning
strictness, severity, or demanding conditions
Example
The training was carried out with great rigor.
L'entraînement a été effectué avec une grande rigueur.
C1 adjective /ˈsɛnʃuəs/

sensuous

sensuel
Meaning
Relating to or affecting the senses rather than the intellect; pleasing to the senses.
Example
The garden was filled with sensuous colors and fragrances.
Le jardin était rempli de couleurs et de fragrances sensuelles.
C1 adverb /ˈfɪksɪdli/

Fixedly

fixement
Meaning
in a steady, unmoving manner; with intense concentration
Example
He stared fixedly at the painting.
Il regardait fixement la peinture.
C1 noun /ɪmˈpɜː.mə.nəns/

impermanence

impermanence
Meaning
The state or fact of lasting for only a limited period of time.
Example
The philosophy of Buddhism emphasizes the impermanence of life.
La philosophie bouddhiste met l'accent sur l'impermanence de la vie.
C1 verb /tʃɑːr/

char

brûler
Meaning
To burn or scorch something so that it becomes blackened.
Example
The cook accidentally charred the steak.
Le cuisinier a accidentellement brûlé le steak.
C1 adjective /ˈdɪzməl/

Dismal

sombre; déprimant; triste
Meaning
gloomy; depressing; causing sadness or despair
Example
The weather was dismal with heavy rain and dark clouds.
Le temps était sombre avec de fortes pluies et des nuages sombres.
C1 noun /ˈnaɪt.hʊd/

knighthood

chevalerie
Meaning
The rank or dignity of a knight, or the ceremony of conferring knighthood.
Example
He was honored with knighthood for his contributions to science.
Il a été honoré avec la chevalerie pour ses contributions à la science.
C1 noun /dɪˈluːʒən/

delusion

illusion
Meaning
A false belief or impression maintained despite being contradicted by reality.
Example
He lived under the delusion that he was invincible.
Il vivait sous l'illusion qu'il était invincible.
C1 adjective /ˈfɔːrθˌraɪt/

forthright

direct
Meaning
Direct and honest in speech or behavior; straightforward.
Example
She was forthright in her criticism of the policy.
Elle a été directe dans sa critique de la politique.
C1 verb /ˈbæbəl/

babble

babiller
Meaning
to talk rapidly and continuously in a foolish way
Example
The baby babbles all day long.
Le bébé babille toute la journée.
C1 verb /tɔːnt/

taunt

moquer
Meaning
to provoke or challenge someone with insulting remarks
Example
The bully tried to taunt him with cruel words.
Le bully a essayé de le provoquer avec des mots cruels.
C1 noun /ˈblɒk.ɪdʒ/

Blockage

bouchon
Meaning
an obstruction that makes movement or flow difficult or impossible
Example
The drain blockage caused water to overflow in the kitchen.
Le blocage du drain a causé un débordement d'eau dans la cuisine.
C1 noun ˈdʒen.ə.saɪd

genocide

génocide
Meaning
The deliberate killing of a large group of people, especially those of a particular ethnic group or nation.
Example
The allegations of genocide raised global concerns.
Les allégations de génocide ont soulevé des préoccupations mondiales.
C1 noun/adjective /ˈbæstərd/

bastard

bâtard
Meaning
a child born to unmarried parents (offensive); also used informally as an insult or to describe something unpleasant
Example
He called him a bastard in anger.
Il l'a traité de bâtard avec colère.
C1 noun /ˈneɡ.lɪ.dʒəns/

Negligence

négligence
Meaning
failure to take proper care in doing something; carelessness
Example
The accident was caused by driver negligence.
L'accident a été causé par la négligence du conducteur.
C1 noun /ˈprɒk.tər/

proctor

surveillant d'examen
Meaning
a person who supervises students during an examination
Example
The proctor reminded students to keep their phones switched off.
Le surveillant a rappelé aux étudiants d'éteindre leurs téléphones.
C1 noun /ˈpæntəmaɪm/

pantomime

pantomime
Meaning
A type of theatrical performance using gestures and movements without spoken words; in Britain, a musical comedy play for families performed at Christmas.
Example
The children enjoyed the Christmas pantomime at the local theater.
Les enfants ont apprécié la pantomime de Noël au théâtre local.
C1 verb /kənˈstruː/

construe

interpréter
Meaning
to interpret or understand the meaning of something in a particular way
Example
His words could be construed as a threat.
Ses mots pouvaient être interprétés comme une menace.
C1 noun /ˈmɛm.wɑːr/

memoir

mémoires
Meaning
A historical account or autobiography written from personal experience.
Example
The author’s memoir details her journey through hardship and success.
Les mémoires de l'auteur détaillent son voyage à travers les difficultés et les réussites.
C1 noun /ˈrɒndɪvuː/

rendezvous

rendez-vous
Meaning
a meeting or appointment at an agreed time and place
Example
They arranged a secret rendezvous at the café.
Ils ont organisé un rendez-vous secret au café.
C1 noun /ˌkɒnfɪˈdɑːnt/

confidante

amie de confiance
Meaning
A woman with whom one shares a secret or private matter, trusting her not to repeat it.
Example
The queen’s maid became her most trusted confidante.
La servante de la reine est devenue sa confidente la plus fidèle.
C1 verb ˈsɪn.ɚ.dʒaɪz

synergize

synergiser, combiner de manière à améliorer l'efficacité.
Meaning
combine in such a way as to enhance effectiveness.
Example
The departments must synergize to improve efficiency.
Les départements doivent synergie pour améliorer l'efficacité.
C1 noun /ˈliːʒən/

lesion

lésion
Meaning
An area of damage or abnormal change in the tissue of an organism, often caused by injury or disease.
Example
The doctor examined the skin lesion carefully.
Le médecin a examiné attentivement la lésion de la peau.
C1 noun /stents/

stents

stents
Meaning
Small mesh tubes used to treat narrow or blocked arteries.
Example
Stents were successfully placed using robotic techniques.
Les stents ont été placés avec succès en utilisant des techniques robotiques.
C1 noun ˌtraɪ.bjuˈnæl əv ˈdʒʌs.tɪs

tribunal of justice

tribunal de justice
Meaning
A court of justice or judicial body that settles disputes or tries offenses.
Example
The Tribunal of Justice started the hearings promptly.
Le tribunal de justice a commencé les auditions immédiatement.
C1 noun /ˌmɪsˈtrʌst/

Mistrust

méfiance
Meaning
Lack of trust; suspicion or doubt about someone or something
Example
There was deep mistrust between the two political parties.
Il y avait une profonde méfiance entre les deux partis politiques.
C1 adjective /ʌnˈmɒdɪfaɪd/

unmodified

non modifié
Meaning
not changed from its original form or state
Example
The data was used in its unmodified form for analysis.
Les données ont été utilisées sous leur forme non modifiée.
C1 noun /ˈded.lɑk/

Dead-lock

impasse; blocage
Meaning
a situation in which no progress is possible; complete standstill
Example
The negotiations reached a deadlock when neither side would compromise.
Les négociations ont atteint une impasse lorsque les deux parties ne voulaient pas faire de compromis.
C1 adjective /əˈfɜːrmətɪv/

affirmative

affirmatif
Meaning
expressing agreement, approval, or a positive response
Example
She gave an affirmative answer to the proposal.
Elle a donné une réponse affirmative à la proposition.
C1 noun /kənˈtʃɛrtoʊ/

concerto

composition musicale
Meaning
a musical composition for one or more solo instruments accompanied by an orchestra
Example
She played a Mozart concerto with the orchestra.
Elle a joué un concerto de Mozart avec l'orchestre.
C1 noun /ˈɑːnkɔːr/

encore

rappel
Meaning
An additional performance demanded by an audience at the end of a show.
Example
The band returned to the stage for an encore.
Le groupe est revenu sur scène pour un rappel.
C1 noun /ˌdʒɛr.iˈætrɪks/

geriatrics

gériatrie
Meaning
the branch of medicine dealing with the health and care of old people
Example
He specialized in geriatrics to care for the elderly.
Il s'est spécialisé en gériatrie pour s'occuper des personnes âgées.
C1 noun/verb /ˈhɛrəld/

herald

héraut
Meaning
A person or thing that announces or signals the approach of something; to announce or signal.
Example
The blooming flowers herald the arrival of spring.
Les fleurs en fleur annoncent l'arrivée du printemps.
C1 adjective /ɔːˈtʌmnəl/

autumnal

automnal
Meaning
relating to or characteristic of autumn; occurring in autumn
Example
The autumnal colors of red and gold filled the forest.
Les couleurs automnales de rouge et d'or ont rempli la forêt.
C1 adjective /ˈstoʊɪk/

stoic

stoïque, implacable
Meaning
Showing little or no emotion, even in difficult situations.
Example
She remained stoic during the crisis, never showing fear or panic.
Elle est restée stoïque pendant la crise, sans montrer de peur ni de panique.
C1 adjective ˈɒb.stɪ.nət

obstinate

obstiné
Meaning
Refusing to change one's mind or accept others' advice easily.
Example
He remained obstinate despite the logical arguments.
Il est resté obstiné malgré les arguments logiques.
C1 noun /slɪt/

Slit

fente
Meaning
a long narrow opening or cut
Example
There was a small slit in the fabric.
Il y avait une petite fente dans le tissu.
C1 adjective /ˈmɑːr.dʒɪ.nəl/

Marginal

marginal; minimal; léger
Meaning
relating to or situated at the edge; minimal; slight
Example
The marginal improvement in sales was barely noticeable.
L'amélioration marginale des ventes était à peine perceptible.
C1 adjective /ˈmɒsi/

Mossy

recouvert de mousse; avec de la mousse poussant dessus
Meaning
covered with moss; having moss growing on it
Example
The old tree trunk was mossy and covered with green vegetation.
Le tronc de l'arbre vieux était recouvert de mousse et couvert de végétation verte.
C1 noun /ˈkɒnfɪdænt/

confidant

confident
Meaning
A person with whom one shares a secret or private matter, trusting them not to repeat it.
Example
She found a true confidant in her childhood friend.
Elle a trouvé un vrai confident dans son ami d'enfance.
C1 noun /koʊˈɜː.ʃən/

coercion

coercition
Meaning
The practice of persuading someone to do something by using force or threats.
Example
Cybercriminals use coercion to extract information.
Les cybercriminels utilisent la coercition pour obtenir des informations.
C1 noun /ˌkæm.əˈrɑː.dɚ.i/

camaraderie

camaraderie, amitié, solidarité
Meaning
Mutual trust and friendship among people who spend a lot of time together.
Example
The camaraderie among teammates was inspiring.
La camaraderie entre les coéquipiers était inspirante.
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 adjective /ɑːrˈkeɪn/

arcane

arcane
Meaning
understood by few; mysterious or secret
Example
The professor’s lecture was full of arcane details that only specialists could follow.
La conférence du professeur était pleine de détails arcanes que seuls les spécialistes pouvaient suivre.
C1 noun /ˈsɪn.ɪˌsɪz.əm/

cynicism

cynisme
Meaning
An inclination to believe that people are motivated purely by self-interest; skepticism.
Example
His cynicism made it hard for him to trust anyone.
Son cynisme lui rendait difficile de faire confiance à quiconque.
C1 verb /kənˈkɒkt/

concoct

créer ou inventer
Meaning
to make something, especially food or a story, by mixing or inventing
Example
He concocted a story to explain his absence.
Il a inventé une histoire pour expliquer son absence.
C1 adjective /ˈɑp.ər.ə.tɪv/

Operative

actif; en vigueur; fonctionnant; opérationnel;
Meaning
Functioning; in effect; working; active;
Example
The new safety protocols became operative immediately after the accident.
Les nouveaux protocoles de sécurité sont devenus opérationnels immédiatement après l'accident.
C1 noun /zest/

Zest

enthousiasme; énergie et excitation; l'écorce extérieure d'un agrume
Meaning
great enthusiasm and energy; excitement and vigor; the outer peel of a citrus fruit
Example
She approached the new job with tremendous zest.
Elle a abordé le nouveau travail avec un grand enthousiasme.
C1 noun /ˈstrɑːtəm/

stratum

strate
Meaning
a layer or level of material, or a social class in society
Example
The upper stratum of society enjoyed privileges not available to others.
La couche supérieure de la société profitait de privilèges non disponibles pour les autres.
C1 adjective /ˌɪndɪˈstrʌktəbl/

indestructible

indestructible
Meaning
Impossible to destroy or break.
Example
The superhero's shield was said to be indestructible.
On disait que le bouclier du super-héros était indestructible.
C1 noun /ɪˈvæp.ər.ə.tɪv ˈkuː.lər/

Evaporative cooler

refroidisseur par évaporation
Meaning
a cooling device that uses water evaporation to reduce air temperature
Example
The evaporative cooler works best in dry climates.
Le refroidisseur par évaporation fonctionne mieux dans les climats secs.
C1 adjective /ɪnˈɛlɪdʒəbəl/

Ineligible

inéligible; non qualifié; inapte
Meaning
not qualified or entitled to participate or be chosen; unsuitable
Example
Students with poor grades are ineligible for the scholarship program.
Les étudiants avec de mauvaises notes sont inéligibles pour le programme de bourses.
C1 noun /ɪmˈprɪzənmənt/

imprisonment

emprisonnement
Meaning
the act of putting someone in prison; the state of being confined as punishment
Example
He faced imprisonment for violating the court order.
Il a fait face à l'emprisonnement pour avoir violé l'ordre du tribunal.
C1 noun /ˌdiː.mɑːˈkeɪ.ʃən/

Demarcation

démarcation
Meaning
the action of fixing the boundary or limits of something; separation or division
Example
The demarcation between public and private land was clearly marked.
La délimitation entre les terres publiques et privées était clairement marquée.
C1 adjective /tɛk ˈdrɪv.ən/

tech-driven

alimenté par la technologie
Meaning
Powered or guided by technology; dependent on technological advancement for operation.
Example
The agricultural sector is becoming more tech-driven for higher efficiency.
Le secteur agricole devient de plus en plus axé sur la technologie pour une efficacité accrue.