alertness
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C1 noun /əˈlɜːrtnəs/

alertness

vigilance
Meaning
the state of being mentally aware and quick to notice or respond; vigilance
Example
The driver maintained a high level of alertness during the long journey.
Le conducteur a maintenu une grande vigilance pendant le trajet.
C1 noun /ˈækwɪˌdʌkt/

aqueduct

aqueduc
Meaning
a structure built to carry water over long distances
Example
The Romans built aqueducts to supply water to their cities.
Les Romains ont construit des aqueducs pour fournir de l'eau à leurs villes.
C1 noun /ˌsɪmbɪˈəʊsɪs/

symbiosis

relation symbiotique
Meaning
A mutually beneficial relationship between different people or groups.
Example
The symbiosis between the two companies led to mutual growth.
La symbiose entre les deux entreprises a conduit à une croissance mutuelle.
C1 noun /ˈlænd.slaɪd/

Landslide

glissement de terrain
Meaning
a collapse of a mass of earth or rock from a mountain or cliff; an overwhelming victory in an election
Example
Heavy rains triggered a massive landslide that blocked the mountain highway.
De fortes pluies ont provoqué un énorme glissement de terrain qui a bloqué la route de montagne.
C1 noun /ˈmæroʊ/

Marrow

moelle osseuse
Meaning
A soft fatty substance in the cavities of bones; the essence of something
Example
The bone marrow produces blood cells in the human body.
La moelle osseuse produit des cellules sanguines dans le corps humain.
C1 noun /əbˈzɜːvəns/

observance

observance
Meaning
The practice of following a custom, rule, or religious law.
Example
The festival is held in observance of a centuries-old tradition.
Le festival est organisé en observance d'une tradition séculaire.
C1 adjective /ˌʌnəkˈnɒlɪdʒd/

unacknowledged

non reconnu
Meaning
Not recognized, admitted, or accepted; ignored or unnoticed
Example
Her contributions to the project went unacknowledged.
Ses contributions au projet sont restées non reconnues.
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 ˈmɪl.ɪ.tər.i ɪnˈkɜː.ʃən

military incursion

incursion militaire
Meaning
A sudden armed attack or invasion by military forces into a territory.
Example
The military incursion caused widespread devastation.
L'incursion militaire a causé une dévastation généralisée.
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 noun /haʊnd/

Hound

chien de chasse
Meaning
a dog bred for hunting, typically having a keen sense of smell
Example
The bloodhound tracked the scent through the dense forest.
Le bloodhound a suivi la piste à travers la forêt dense.
C1 noun /ˈblɛm.ɪʃ/

blemish

imperfection
Meaning
A small mark or flaw that spoils the appearance of something.
Example
The mirror had a small blemish on the surface.
Le miroir avait une petite imperfection sur la surface.
C1 verb /ˈɪmprəvaɪz/

improvise

improviser
Meaning
To create or perform something spontaneously without preparation.
Example
The actor had to improvise his lines when he forgot the script.
L'acteur a dû improviser ses répliques lorsqu'il a oublié le script.
C1 noun /ˈleɪˌpɜːrsən/

layperson

la personne ordinaire
Meaning
A person who is not a member of the clergy or does not have specialized knowledge in a subject.
Example
The judge explained the law so that the layperson could understand.
Le juge a expliqué la loi de manière à ce que la personne ordinaire puisse la comprendre.
C1 noun ˈæf.lu.əns

affluence

afflux
Meaning
The state of having a great deal of money; wealth.
Example
His affluence allowed him to travel the world.
Sa fortune lui a permis de voyager à travers le monde.
C1 noun /ˌdɪsərˈteɪʃən/

dissertation

thèse
Meaning
A long piece of writing on a particular subject, usually written for a university degree.
Example
She spent two years writing her doctoral dissertation.
Elle a passé deux ans à rédiger sa thèse doctorale.
C1 adjective /ˈnɪmbəl/

nimble

agile
Meaning
Quick and light in movement or thought.
Example
The dancer’s nimble steps impressed the audience.
Les pas agiles de la danseuse ont impressionné le public.
C1 verb /dɪˈdjuːs/

deduce

déduire
Meaning
to reach a conclusion by reasoning or inference
Example
From the evidence, the detective deduced that the suspect was lying.
À partir des preuves, le détective a déduit que le suspect mentait.
C1 adjective /ɪˈledʒ.ə.bəl/

illegible

illisible
Meaning
Not clear enough to be read; unreadable.
Example
The doctor’s handwriting was almost illegible.
L'écriture du médecin était presque illisible.
C1 adjective /ˌmiːtiˈɔːrɪk/

meteoric

relatif aux météores; très rapide et souvent temporaire.
Meaning
Relating to meteors; very rapid and often temporary.
Example
The singer’s meteoric rise to fame surprised everyone.
L'ascension météorique du chanteur à la célébrité a surpris tout le monde.
C1 noun kəˈlɛktɪvɪzəm

collectivism

collectivisme
Meaning
The practice or principle of giving a group priority over each individual in it.
Example
Collectivism emphasizes the importance of group over individual interests.
Le collectivisme souligne l'importance du groupe par rapport aux intérêts individuels.
C1 noun /ˈmɒnəʊˌkʌltʃər/

monoculture

monoculture
Meaning
The agricultural practice of growing only one type of crop over a large area and for many consecutive years, which can lead to increased vulnerability to pests and diseases.
Example
Monoculture can lead to soil depletion and increased pest vulnerability.
La monoculture peut entraîner l'épuisement des sols et une vulnérabilité accrue aux ravageurs.
C1 adjective /kənˈdʒenɪtl/

congenital

congénital
Meaning
existing from birth, usually describing a disease or condition
Example
The child was born with a congenital heart defect.
L'enfant est né avec une malformation cardiaque congénitale.
C1 noun /ˈtrænsfərəns/

transference

transfert
Meaning
The act of moving something from one place, person, or situation to another.
Example
The transference of knowledge is essential in education.
Le transfert de connaissances est essentiel dans l'éducation.
C1 noun /rɪt/

writ

ordre judiciaire
Meaning
A formal written order issued by a court.
Example
The judge issued a writ of habeas corpus.
Le juge a émis un ordre de habeas corpus.
C1 adjective /ˈriː.fleks/

Reflex

réflexe
Meaning
an action performed without conscious thought; relating to reflection
Example
The doctor tested her reflex response by tapping her knee.
Le médecin a testé sa réponse réflexe en tapotant son genou.
C1 noun /ræθ/

Wrath

colère
Meaning
extreme anger; intense fury or indignation
Example
His wrath was terrible to behold.
Sa colère était terrible à voir.
C1 noun /kæsˈkeɪd/

Cascade

cascade; une succession d'étapes ou d'opérations
Meaning
a waterfall; a succession of stages or operations
Example
The mountain cascade created a beautiful natural swimming pool below.
La cascade de la montagne a créé une belle piscine naturelle en dessous.
C1 adjective /ˈkɒn.keɪv/

concave

concave
Meaning
curved inward like the inside of a bowl
Example
The mirror had a concave surface that magnified her reflection.
Le miroir avait une surface concave qui grossissait son reflet.
C1 noun ˌʌndərˈprɪvəlɪdʒd ɡruːps

underprivileged groups

groupes défavorisés
Meaning
Groups of people who lack basic necessities or advantages that are available to other members of society.
Example
Underprivileged groups benefit from social initiatives.
Les groupes défavorisés bénéficient des initiatives sociales.
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 adjective /ˈkjʊərəbl/

curable

curable
Meaning
Able to be cured or healed.
Example
The doctor assured her that the disease was curable.
Le médecin lui a assuré que la maladie était curable.
C1 noun /slæɡ/

slag

scories
Meaning
Stony waste matter separated from metals during the smelting process.
Example
The factory dumped the slag near the river.
L'usine a déversé les scories près de la rivière.
C1 adjective /ˈtæntəmaʊnt/

tantamount

équivalent
Meaning
Equivalent in seriousness or effect; virtually the same as.
Example
His refusal to speak was tantamount to an admission of guilt.
Son refus de parler équivalait à une admission de culpabilité.
C1 noun trəˈdʒek.tər.i

trajectory

trajectoire
Meaning
The path followed by a projectile flying or an object moving under the action of given forces.
Example
The satellite followed its intended trajectory.
Le satellite a suivi sa trajectoire prévue.
C1 adverb /əˈraɪ/

awry

erroné
Meaning
away from the expected or proper direction; wrong or amiss
Example
The plan went awry when the weather suddenly changed.
Le plan a mal tourné lorsque le temps a soudainement changé.
C1 noun ˌɪnfrəˈstrʌktʃərəl dɪˈveləpmənt

infrastructural development

développement infrastructurel
Meaning
The process of building and improving the basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
Example
Infrastructural development is necessary for efficient recycling.
Le développement infrastructurel est nécessaire pour un recyclage efficace.
C1 noun /ˈmʌltɪtuːd/

multitude

multitude
Meaning
A large number of people or things.
Example
A multitude of fans gathered at the stadium.
Une multitude de fans se sont rassemblés dans le stade.
C1 adjective /ˈmeʒ.ər.ə.bəl/

Measurable

mesurable; quantifiable
Meaning
able to be measured; quantifiable
Example
The project's success was measurable by increased sales.
Le succès du projet était mesurable par l'augmentation des ventes.
C1 verb /ˈmjuːteɪt/

mutate

muter
Meaning
To change or cause to change in form, nature, or character.
Example
The virus can mutate into a more dangerous strain.
Le virus peut muter en une souche plus dangereuse.
C1 noun ˈsɛlf pəˈzɪʃən

self-possession

maîtrise de soi
Meaning
The quality of being calm and confident and in control of one's emotions; composure.
Example
His self-possession during the crisis was remarkable.
Son self-possession pendant la crise était remarquable.
C1 verb /ˈskʌr.i/

scurry

courir rapidement
Meaning
To move quickly with short, hurried steps.
Example
The mice scurried across the kitchen floor when the lights turned on.
Les souris ont couru rapidement à travers le sol de la cuisine lorsque les lumières se sont allumées.
C1 noun /kəmˈpʌl.ʃən/

Compulsion

compulsion; contrainte;
Meaning
the action or state of forcing or being forced to do something; an irresistible urge to behave in a certain way
Example
He felt a strong compulsion to check his phone every few minutes.
Il ressentait une forte compulsion de vérifier son téléphone toutes les quelques minutes.
C1 noun /rentʃ/

Wrench

clé à molette
Meaning
a tool used for gripping and turning nuts, bolts, or pipes
Example
He used a wrench to tighten the bolt.
Il a utilisé une clé à molette pour serrer l'écrou.
C1 noun /ˈɛskəpeɪd/

escapade

aventure
Meaning
an adventurous, exciting, or reckless act
Example
Their summer escapade included camping and mountain climbing.
Leurs escapades estivales comprenaient du camping et de l'escalade en montagne.
C1 noun /ˈdæɡ.ər/

Dagger

dague
Meaning
a short knife with a pointed blade used as a weapon
Example
The ancient warrior carried a silver dagger.
Le guerrier ancien portait une dague en argent.
C1 adjective /ˈɪəri/

eerie

étrange
Meaning
Strange and frightening in a mysterious way.
Example
The abandoned house had an eerie silence.
La maison abandonnée avait un étrange silence.
C1 noun ˌlaɪ.əˈbɪl.ə.ti

liability

responsabilité
Meaning
The state of being responsible for something, especially by law; a debt or financial obligation.
Example
The company's liabilities exceeded its assets.
Les responsabilités de l'entreprise ont dépassé ses actifs.
C1 verb /kənˈfleɪt/

conflate

fusionner / combiner
Meaning
To combine two or more things, often confusingly, into one.
Example
The article tends to conflate facts with opinions.
L'article a tendance à fusionner les faits avec les opinions.
C1 noun /ˈɡaɪ.zər/

geyser

geysers
Meaning
A natural hot spring that intermittently ejects a column of water and steam into the air.
Example
The geyser erupted, shooting water high into the sky.
Le geyser a éclaté, projetant de l'eau très haut dans le ciel.
C1 adjective /ˈpærəmaʊnt/

paramount

de la plus haute importance
Meaning
more important than anything else; supreme
Example
Safety is of paramount importance in this factory.
La sécurité est de la plus haute importance dans cette usine.
C1 adjective /rɪˈvoʊltɪŋ/

revolting

répugnant
Meaning
extremely unpleasant or disgusting
Example
The smell of the garbage was revolting.
L’odeur des ordures était répugnante.
C1 noun /ˈʃæmbəlz/

shambles

désordre total
Meaning
a state of complete disorder or ruin
Example
After the storm, the whole town was in shambles.
Après la tempête, toute la ville était en désordre total.
C1 verb /əˈpiːz/

appease

apaiser / satisfaire
Meaning
to calm or pacify someone by meeting their demands
Example
The manager tried to appease the angry customer.
Le manager a essayé d'apaiser le client en colère.
C1 adjective /rɪˈɡrɛtfəl/

regretful

regrettable
Meaning
feeling or showing sadness or disappointment about something that has happened or been done
Example
She gave him a regretful smile as she turned away.
Elle lui offrit un sourire regrettable alors qu'elle s'éloignait.
C1 adjective /ˈdʒɑː.rɪŋ/

jarring

strident, choquant
Meaning
Striking or shocking in a way that creates a strong contrast or clash.
Example
The sudden loud noise was jarring to everyone in the room.
Le bruit soudain et fort a été choquant pour tous dans la pièce.
C1 verb /ˈeɪ.li.ə.neɪt/

alienate

aliéner
Meaning
To make someone feel isolated or estranged; to cause someone to become unfriendly.
Example
His rude behavior alienated many of his friends.
Son comportement grossier a aliéné beaucoup de ses amis.
C1 adverb /ˈleŋθ.waɪz/

Lengthwise

dans le sens de la longueur; selon la direction la plus longue
Meaning
in the direction of the length; along the longest dimension
Example
Fold the paper lengthwise to make it easier to carry.
Pliez le papier dans le sens de la longueur pour le rendre plus facile à transporter.
C1 adjective /rɪˈtɔːrɪkəl/

rhetorical

rhétorique
Meaning
relating to the art of effective or persuasive speaking or writing; often a question asked to make a point rather than get an answer
Example
He asked a rhetorical question during the debate.
Il a posé une question rhétorique pendant le débat.
C1 verb /aʊtˈlæst/

outlast

durer plus longtemps que
Meaning
to continue longer than; to endure beyond someone or something else
Example
The old castle has outlasted many generations.
Le vieux château a duré plus longtemps que de nombreuses générations.
C1 adjective ˈɑː.dʒu.əs

arduous

ardu
Meaning
Involving or requiring strenuous effort; difficult and tiring.
Example
The trek through the mountains was an arduous journey.
La randonnée à travers les montagnes était un voyage ardu.
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 adverb /ˈfeɪ.təl.i/

Fatally

fatalement
Meaning
in a way that causes death; with deadly consequences; critically
Example
The accident fatally injured two passengers.
L'accident a blessé deux passagers de manière fatale.
C1 adjective /ˈhæb.ɪ.tə.bəl/

Habitable

habitable
Meaning
suitable or good enough to live in
Example
The planet Mars may become habitable in the future.
La planète Mars pourrait devenir habitable dans le futur.
C1 noun /plæsˈtɪsəti/

plasticity

plasticité, capacité d'adaptation
Meaning
the quality of being easily shaped or molded; adaptability
Example
The brain's plasticity allows it to adapt after injury.
La plasticité du cerveau lui permet de s'adapter après une blessure.
C1 adjective /ʌnˈbraɪdld/

unbridled

déraisonné
Meaning
Uncontrolled and unrestrained.
Example
The protesters showed unbridled enthusiasm for change.
Les manifestants ont montré un enthousiasme débridé pour le changement.
C1 verb /kəˈrəʊd/

corrode

corroder
Meaning
to gradually destroy or wear away metal or other materials through chemical action
Example
The iron pipes corroded over time due to exposure to water.
Les tuyaux en fer se sont corrodés au fil du temps à cause de l'exposition à l'eau.
C1 noun /ˈmɒn.ə.stər.i/

Monastery

monastère; ashram
Meaning
a building or group of buildings where monks live and worship
Example
The ancient monastery was built on a hilltop.
L'ancien monastère a été construit au sommet d'une colline.
C1 noun /ˈrɛt.ər.ɪk/

rhetoric

l'art de parler ou d'écrire de manière efficace ou persuasive
Meaning
The art of effective or persuasive speaking or writing; skillful use of language to influence others.
Example
Political leaders often use rhetoric to influence people.
Les leaders politiques utilisent souvent la rhétorique pour influencer les gens.
C1 adjective /ˈdeɪnti/

dainty

délicat et joli
Meaning
Delicately small, pretty, and often considered elegant.
Example
She wore a dainty necklace made of pearls.
Elle portait un collier délicat fait de perles.
C1 verb /smɜrk/

smirk

sourire d'un air suffisant
Meaning
to smile in a self-satisfied, smug, or silly way
Example
He smirked when he won the argument.
Il a souri lorsqu'il a gagné la dispute.
C1 adjective ˌɪn.təˈstel.ər

interstellar

entre les étoiles, interstellaire, cosmique
Meaning
Occurring or situated between stars.
Example
Scientists study interstellar travel possibilities.
Les scientifiques étudient les possibilités de voyages interstellaires.
C1 adjective /dɪsˈsɪmɪlər/

dissimilar

différent
Meaning
Not alike; different.
Example
Though they are twins, their personalities are dissimilar.
Bien qu'ils soient jumeaux, leurs personnalités sont différentes.
C1 verb /ˈrætɪfaɪ/

ratify

ratifier
Meaning
to approve or confirm something officially, usually by law or formal consent
Example
The government ratified the trade agreement.
Le gouvernement a ratifié l'accord commercial.
C1 adverb /ˈmiːk.li/

Meekly

humblement; docilement
Meaning
in a quiet, gentle way; without resistance or protest
Example
He meekly accepted the criticism without arguing.
Il a accepté les critiques humblement sans discuter.
C1 adjective /ˈsliːzi/

sleazy

bas, sale ou de mauvaise qualité
Meaning
morally low, dirty, or cheap in quality
Example
He avoided the sleazy nightclub downtown.
Il a évité le club de nuit sordide en centre-ville.
C1 noun /ˌkɒmpɪˈleɪʃən/

compilation

compilation
Meaning
a collection of things, especially pieces of writing or music, gathered together
Example
The book is a compilation of his best essays.
Le livre est une compilation de ses meilleurs essais.
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 verb /ɪnˈsɪnjueɪt/

insinuate

insinuer
Meaning
To suggest or hint something indirectly and often unpleasantly.
Example
He insinuated that she had lied about her qualifications.
Il a insinué qu'elle avait menti sur ses qualifications.
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 verb /ɪnˈkæp.sjʊ.leɪt/

encapsulate

encapsuler
Meaning
To express the essential features of something succinctly; to summarize or contain within.
Example
The introduction should encapsulate the main points of the article.
L'introduction doit encapsuler les points principaux de l'article.
C1 noun /ˈtɪrəni/

tyranny

tyrannie
Meaning
Cruel and oppressive government or rule by a tyrant.
Example
The people revolted against the tyranny of their ruler.
Les gens se sont rebellés contre la tyrannie de leur dirigeant.
C1 verb /ˈɒs.ɪ.leɪt/

oscillate

se balancer ou se déplacer d'un point à un autre entre deux états
Meaning
To swing or move back and forth between two points or states
Example
The stock market tends to oscillate during uncertain times.
Le marché boursier a tendance à osciller pendant les périodes incertaines.
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 verb /ɪnˈstɪl/

instill

instiller
Meaning
to gradually but firmly establish an idea, attitude, or habit in someone's mind
Example
Parents try to instill good values in their children.
Les parents essaient d'inculquer de bonnes valeurs à leurs enfants.
C1 verb /ʌnˈrævəl/

unravel

démêler
Meaning
To undo twisted or knitted threads; to solve or explain something complicated.
Example
The detective worked hard to unravel the mystery.
Le détective a travaillé dur pour démêler le mystère.
C1 noun rɪˈdʌndənsi

redundancy

redondance, excès
Meaning
The state of being not or no longer needed or useful; superfluousness.
Example
The redundancy in the company's workforce led to many layoffs.
La redondance dans la main-d'œuvre de l'entreprise a conduit à de nombreux licenciements.
C1 adjective /moʊv/

mauve

mauve clair
Meaning
a pale purple color with a grayish or bluish tinge
Example
She wore a beautiful mauve dress to the party.
Elle portait une magnifique robe mauve clair à la fête.
C1 verb /ɪˈdʒektɪd/

ejected

expulser
Meaning
to force someone or something to leave a place; to push or throw something out forcefully
Example
The pilot was ejected from the aircraft during the emergency.
Le pilote a été éjecté de l'avion pendant l'urgence.
C1 noun səˈfɪʃənsi

sufficiency

suffisance
Meaning
The condition of being adequate or enough; adequacy.
Example
The sufficiency of food supply is critical for survival.
La suffisance de l'approvisionnement alimentaire est essentielle pour la survie.
C1 adjective, noun /ˈkɑːr.dɪ.nəl/

cardinal

cardinal / principal
Meaning
As an adjective: of prime importance; as a noun: a high-ranking Catholic clergyman or a type of bird.
Example
Honesty is a cardinal virtue in life.
L'honnêteté est une vertu cardinal dans la vie.
C1 verb /ɪnˈdaɪt/

indict

inculper
Meaning
to formally accuse someone of committing a serious crime
Example
The grand jury decided to indict the politician for corruption.
Le grand jury a décidé d'inculper le politicien pour corruption.
C1 noun /ˌvəʊ.kəl.aɪˈzeɪ.ʃən/

vocalization

vocalisation, expression des pensées ou sentiments en mots parlés
Meaning
The action of producing sounds with the voice; the expression of thoughts or feelings in spoken words.
Example
The vocalization of the singer captivated the audience.
La vocalisation du chanteur a captivé le public.
C1 noun prɪˈdɪk.ə.mənt

predicament

situation difficile
Meaning
A difficult, unpleasant, or embarrassing situation.
Example
Losing both jobs put him in a financial predicament.
Perdre les deux emplois l'a mis dans une situation financière difficile.
C1 noun /brɒŋˈkaɪtɪs/

bronchitis

bronchite
Meaning
inflammation of the lining of the bronchial tubes, which carry air to and from the lungs
Example
The doctor diagnosed him with acute bronchitis.
Le médecin lui a diagnostiqué une bronchite aiguë.
C1 noun /dɪˈvɪnɪti/

divinity

divinité
Meaning
The quality or state of being divine; a deity.
Example
The priest spoke about the divinity of the soul.
Le prêtre a parlé de la divinité de l'âme.
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 verb /ˈædʒ.ɪ.teɪt/

agitate

agiter, provoquer
Meaning
to stir up feelings or disturb; to campaign for change
Example
The protesters agitated for better working conditions.
Les manifestants ont agité pour de meilleures conditions de travail.
C1 noun /skɪt/

skit

sketch
Meaning
a short, humorous performance or piece of writing
Example
The students performed a funny skit at the event.
Les étudiants ont joué un sketch drôle lors de l'événement.
C1 adjective /ɡɔːnt/

gaunt

émacié
Meaning
extremely thin, bony, and haggard in appearance, often due to hunger or illness
Example
After weeks of illness, he looked pale and gaunt.
Après des semaines de maladie, il avait l'air pâle et émacié.
C1 noun /ˈtres.pæs.ər/

Trespasser

intrus
Meaning
a person who enters someone's property without permission
Example
The security guard caught the trespasser climbing over the fence.
Le garde de sécurité a attrapé l'intrus escaladant la clôture.
C1 adjective /ˈrɪkɪti/

rickety

fragile
Meaning
Poorly made and likely to collapse; shaky.
Example
They crossed a rickety wooden bridge over the river.
Ils ont traversé un pont en bois fragile sur la rivière.
C1 verb /nəˈsɛsɪteɪt/

necessitate

rendre nécessaire
Meaning
To make something necessary or unavoidable.
Example
The heavy rains necessitated the cancellation of the event.
Les fortes pluies ont rendu l'annulation de l'événement inévitable.
C1 noun /ˈæptɪˌtjuːd/

aptitude

aptitude
Meaning
a natural ability or talent to do something well
Example
She has a strong aptitude for learning new languages.
Elle a une forte aptitude pour apprendre de nouvelles langues.
C1 noun ˌdjʊə.rəˈbɪl.ə.ti

durability

durabilité
Meaning
The ability to withstand wear, pressure, or damage; hard-wearing.
Example
The durability of materials affects performance.
La durabilité des matériaux affecte la performance.
C1 noun /ɪmˈbɑː.ɡoʊ/

embargo

embargo commercial
Meaning
A trade ban, restriction, or prohibition imposed by a government or international organization on a country.
Example
The UN imposed an embargo on arms exports.
L'ONU a imposé un embargo sur les exportations d'armes.
C1 noun ˌpriːˌɒkjʊˈpeɪʃən

preoccupation

préoccupation
Meaning
The state of being absorbed in thought; mental distraction.
Example
His preoccupation with work led to neglecting his personal life.
Sa préoccupation pour le travail a conduit à négliger sa vie personnelle.
C1 noun ˌflʌk.tʃuˈeɪ.ʃən

fluctuation

fluctuation
Meaning
An irregular rising and falling in number or amount; a variation.
Example
The stock market experiences frequent fluctuation.
Le marché boursier connaît des fluctuations fréquentes.
C1 noun /ˈɛdɪfɪs/

edifice

bâtiment
Meaning
A large, impressive building or structure.
Example
The museum is an impressive edifice in the city center.
Le musée est un bâtiment impressionnant au centre-ville.
C1 noun /ˈkoʊhɔːrt/

cohort

cohorte
Meaning
A group of people with a shared characteristic, usually of the same age or with a common experience.
Example
The study tracked a cohort of students over ten years.
L'étude a suivi une cohorte d'étudiants pendant dix ans.
C1 verb ˈflʌk.tʃu.eɪt

fluctuate

fluctuer
Meaning
To regularly increase or decrease.
Example
Stock prices fluctuate due to market conditions.
Les prix des actions fluctuent en raison des conditions du marché.
C1 noun /ˈmælədi/

Malady

maladie; affection; trouble
Meaning
A disease or ailment; a serious problem
Example
The doctor diagnosed a rare malady that affected her nervous system.
Le médecin a diagnostiqué une maladie rare qui a affecté son système nerveux.
C1 adjective /aʊtˈmoʊdɪd/

outmoded

démodé
Meaning
No longer in fashion or useful; outdated.
Example
That old computer is completely outmoded.
Cet ancien ordinateur est complètement démodé.
C1 verb /rɪˈklaɪn/

recline

se replier
Meaning
To lean or lie back in a relaxed position.
Example
She reclined on the sofa with a book.
Elle s'est allongée sur le canapé avec un livre.
C1 verb /praʊl/

prowl

rôder (pour chasser ou chercher)
Meaning
To move around quietly and secretly, especially while hunting or searching.
Example
The cat prowled around the garden at night.
Le chat a rôdé autour du jardin la nuit.
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 /ˈbʌrə, ˈbʊrə/

borough

arrondissement
Meaning
A town, district, or administrative division, especially one with its own local government.
Example
Brooklyn is a borough of New York City.
Brooklyn est un arrondissement de New York.
C1 adjective /ˈlɔː.fəl/

Lawful

légal; légitime; valide; juste;
Meaning
legal; legitimate; valid; just
Example
The judge confirmed that their actions were lawful and proper.
Le juge a confirmé que leurs actions étaient légales et appropriées.
C1 noun /ˈpluː.mɪdʒ/

plumage

plumage
Meaning
the feathers covering a bird's body
Example
The peacock's plumage was vibrant and eye-catching.
Le plumage du paon était vibrant et frappant.
C1 noun /ˌæmplɪfɪˈkeɪʃən/

amplification

amplification
Meaning
the act or process of making something stronger, louder, or more intense; an expansion or elaboration of details
Example
The microphone provides amplification of the speaker’s voice.
Le microphone permet l’amplification de la voix du locuteur.
C1 noun /ˈsɔːrsəri/

sorcery

sorcellerie
Meaning
the use of magical powers, especially through spells and enchantments
Example
The villagers believed the illness was caused by sorcery.
Les villageois croyaient que la maladie était causée par la sorcellerie.