sultry
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C1 adjective /ˈsʌltri/

sultry

chaud et humide, attrayant
Meaning
Uncomfortably hot and humid; also describes someone attractive in a passionate or sensual way.
Example
The sultry weather made it hard to focus on work.
Le temps chaud et humide rendait difficile de se concentrer sur le travail.
C1 noun ˌeə.rəʊ.daɪˈnæm.ɪks

aerodynamics

aérodynamique
Meaning
The study of the properties of moving air and the interaction between the air and solid bodies moving through it.
Example
The aerodynamics of an aircraft determines its speed and efficiency.
L'aérodynamique d'un avion détermine sa vitesse et son efficacité.
C1 noun /ˈkæviˌæt/

caveat

avertissement
Meaning
a warning or condition to be considered before taking action
Example
The proposal was accepted with one caveat.
La proposition a été acceptée avec un avertissement.
C1 adjective /əˈkʌlt/

occult

occultes
Meaning
Relating to mysterious, supernatural, or magical powers and practices.
Example
She had always been fascinated by the occult and its hidden knowledge.
Elle a toujours été fascinée par l'occulte et sa connaissance cachée.
C1 noun ˌɪnsjʊˈleɪʃən

insulation

isolation
Meaning
Material used to prevent heat, sound, or electricity from being transmitted from one area to another.
Example
Insulation of food storage areas can prevent pests from entering.
L'isolation des zones de stockage des aliments peut empêcher les nuisibles d'entrer.
C1 noun /ɪˈnɪɡ.mə/

enigma

énigme
Meaning
A person or thing that is mysterious, puzzling, or difficult to understand.
Example
Life remains an enigma to many.
La vie reste une énigme pour beaucoup.
C1 verb, noun /ˈflʌstər/

fluster

embrouiller
Meaning
to make someone agitated or confused
Example
The unexpected question flustered him.
La question inattendue l'a embrouillé.
C1 verb /plɒd/

plod

travailler lentement avec effort
Meaning
to work slowly and steadily, often with effort or difficulty
Example
He plodded through his homework despite feeling tired.
Il a fait ses devoirs lentement bien qu'il se sente fatigué.
C1 verb /weɪd/

wade

marcher dans l'eau
Meaning
to walk through water or another substance that impedes movement
Example
The children waded in the shallow river.
Les enfants marchaient dans le fleuve peu profond.
C1 noun səˈlɪnɪti ɪnˈtruːʒən

salinity intrusion

intrusion de salinité
Meaning
The movement of salt water into freshwater areas, typically affecting coastal regions.
Example
Salinity intrusion affects coastal regions.
L'intrusion de salinité affecte les régions côtières.
C1 verb /ɪnˈvɜːrt/

invert

inverser
Meaning
To turn something upside down or in the opposite position, order, or direction.
Example
He inverted the glass to let the water drain out.
Il a inversé le verre pour laisser l'eau s'écouler.
C1 noun /ˌɪmɔːrˈtæləti/

immortality

immortalité
Meaning
the state of living forever; eternal life or lasting fame beyond death
Example
Many ancient cultures believed that heroes could achieve immortality through great deeds.
De nombreuses cultures anciennes pensaient que les héros pouvaient atteindre l’immortalité par de grands exploits.
C1 adjective/adverb /ɡəˈlɔːr/

galore

abondant
Meaning
In large amounts; abundant or plentiful.
Example
There were books galore in the old library.
Il y avait des livres en abondance dans la vieille bibliothèque.
C1 noun/verb /ˈoʊvərˌhæŋ/

overhang

saillie
Meaning
To extend outward and hang over something; a projecting part.
Example
The roof overhang provides shade in the summer.
Le surplomb fournit de l'ombre en été.
C1 adjective ˈæl.ɡə.rɪ.ðəm drɪv.ən

algorithm-driven

piloté par algorithmes.
Meaning
Controlled or powered by computer algorithms.
Example
Algorithm-driven systems increase accuracy.
Les systèmes pilotés par des algorithmes augmentent la précision.
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 noun /krəˈʃɛndoʊ/

crescendo

augmentation progressive du volume
Meaning
a gradual increase in loudness or intensity, especially in music
Example
The orchestra built to a powerful crescendo before the finale.
L'orchestre a construit un puissant crescendo avant la fin.
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, verb /ˈfɜːrloʊ/

furlough

congé temporaire
Meaning
temporary leave of absence from work, especially that granted to an employee or soldier
Example
Many workers were placed on furlough during the crisis.
De nombreux travailleurs ont été mis en congé pendant la crise.
C1 noun /pʌn/

pun

jeu de mots
Meaning
A humorous use of words that suggests different meanings or words that sound alike.
Example
He made a clever pun about the bakery's bread rising.
Il a fait un jeu de mots intelligent sur la montée du pain à la boulangerie.
C1 adjective /ɒˈstɛnsəbl/

ostensible

apparente
Meaning
stated or appearing to be true, but not necessarily so
Example
His ostensible reason for leaving was illness, but many doubted it.
Sa raison apparente de partir était la maladie, mais beaucoup en doutaient.
C1 adverb /ˌðɛrəˈbaʊt/

thereabout

environ
Meaning
Approximately or around that place, amount, or time.
Example
The repairs will cost five hundred dollars or thereabout.
Les réparations coûteront cinq cents dollars ou environ.
C1 adjective /ʌnˈtʌtʃəbəl/

Untouchable

intouchable; au-delà de la critique ou de l'attaque
Meaning
not able to be touched or affected; beyond criticism or attack
Example
The CEO seemed untouchable despite the scandal.
Le PDG semblait intouchable malgré le scandale.
C1 noun ˈkiː.stəʊn ˈspiː.ʃiːz

keystone species

espèce clé
Meaning
A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
Example
Wolves are a keystone species that regulate prey populations.
Les loups sont une espèce clé qui régule les populations de proies.
C1 adjective ˈluː.sɪd

lucid

clair et facile à comprendre
Meaning
Clear and easily understandable thoughts or explanations.
Example
His explanation was so lucid that everyone understood it.
Son explication était tellement claire que tout le monde l'a comprise.
C1 noun /veɪl/

vale

vallée
Meaning
A valley, often used in a poetic or literary sense.
Example
The village lay hidden in a quiet green vale.
Le village était caché dans une vallée verte et tranquille.
C1 noun /ˈdɛdlɒk/

deadlock

impasse
Meaning
a situation in which progress is impossible because of disagreement
Example
Negotiations reached a deadlock after neither side agreed to compromise.
Les négociations ont atteint un impasse après que les deux parties aient refusé de faire des compromis.
C1 verb ɪmˈbjuː

Imbue

Mélanger une idée ou un sentiment profondément dans l'esprit de quelqu'un
Meaning
Mixing some idea or feeling deeply into someone's mind
Example
The teacher tried to imbue students with a love for learning.
L'enseignant a essayé d'inculquer aux élèves un amour de l'apprentissage.
C1 adjective /nɪˈɡoʊ.ʃi.ə.bəl/

negotiable

négociable
Meaning
Open to discussion or modification; capable of being bargained for.
Example
The salary offered is negotiable.
Le salaire offert est négociable.
C1 adjective, verb (past tense/participle of mire) /ˈmaɪərd/

mired

embourbé
Meaning
Trapped or entangled in something, typically a difficult situation.
Example
The politician was mired in scandal.
Le politicien était embourbé dans un scandale.
C1 noun /ˈprɒspɛktər/

prospector

prospecteur minier
Meaning
a person who searches for mineral deposits, especially gold
Example
The prospector spent years in the mountains searching for gold.
Le prospecteur a passé des années dans les montagnes à chercher de l'or.
C1 noun /ˈækəleɪd/

accolade

accolade
Meaning
An award, honor, or expression of praise.
Example
She received an accolade for her outstanding performance.
Elle a reçu une récompense pour sa performance exceptionnelle.
C1 adjective /ˈnɔːʃəs/

nauseous

se sentir nauséeux
Meaning
feeling like you are about to vomit; causing a feeling of sickness
Example
The smell of rotten food made her feel nauseous.
L'odeur de nourriture pourrie l'a fait se sentir nauséeuse.
C1 noun /ɪnˈdɪf.ər.əns/

Indifference

indifférence; désintérêt; apathie
Meaning
lack of interest, concern, or sympathy; the state of not caring about something
Example
His indifference to his studies resulted in poor grades throughout the semester.
Son indifférence à ses études a conduit à de mauvaises notes tout au long du semestre.
C1 adjective /sɪər/

Sear

séché; brûlé; fané
Meaning
withered; dried up; burned or scorched
Example
The sear leaves fell from the trees in autumn.
Les feuilles séchées sont tombées des arbres en automne.
C1 verb /dɪˈpriːʃieɪt/

depreciate

déprécier
Meaning
to reduce in value over time
Example
Cars tend to depreciate quickly in their first few years.
Les voitures ont tendance à se déprécier rapidement dans leurs premières années.
C1 verb /ˌkɒndɪˈsɛnd/

condescend

regarder d'en haut avec gentillesse
Meaning
to behave as if one is superior while being gracious to others
Example
He would not condescend to answer such a trivial question.
Il ne se rabaisserait pas à répondre à une question aussi triviale.
C1 noun /ˌæf.ɚˈmeɪ.ʃən/

affirmation

affirmation
Meaning
The action or process of affirming something or being affirmed; emotional support or encouragement.
Example
Daily affirmation of self-worth boosts confidence.
L'affirmation quotidienne de la valeur de soi renforce la confiance.
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 adjective /ˈwɒn.tən/

Wanton

délibéré et non provoqué; sexuellement indécent ou débauché
Meaning
deliberate and unprovoked; sexually immodest or promiscuous
Example
The vandals caused wanton destruction to the public property.
Les vandales ont causé une destruction délibérée de la propriété publique.
C1 adjective /səbˈdʒɛktɪv/

subjective

subjectif
Meaning
based on personal feelings, tastes, or opinions rather than facts
Example
Beauty is often considered a subjective concept.
La beauté est souvent considérée comme un concept subjectif.
C1 noun /ˈsɪtəˌdɛl/

citadel

citadelle
Meaning
A fortress protecting or dominating a city.
Example
The ancient citadel stood guard over the town for centuries.
L'ancienne citadelle a protégé la ville pendant des siècles.
C1 noun /ɪkˈstriː.mɪst/

Extremist

extrémiste
Meaning
a person who holds extreme political or religious views
Example
The government is taking measures to prevent extremist activities.
Le gouvernement prend des mesures pour prévenir les activités extrémistes.
C1 adjective /ˈbaʊn.tɪ.fəl/

bountiful

abondant / généreux
Meaning
Large in quantity; abundant; generous in giving.
Example
The farmer was grateful for the bountiful harvest.
Le fermier était reconnaissant pour la récolte abondante.
C1 noun, adjective /dɪˈrɪvətɪv/

derivative

dérivé
Meaning
Something that is based on another source; in math, a measure of how a function changes.
Example
The film was criticized for being too derivative of earlier works.
Le film a été critiqué pour être trop dérivé des œuvres précédentes.
C1 adjective /ˈspaɪni/

spiny

épineux
Meaning
covered with or full of spines; having sharp points
Example
The spiny cactus stood tall in the desert.
Le cactus épineux se dressait haut dans le désert.
C1 adjective ˌdet.rɪˈmen.təl

detrimental

détériorant
Meaning
Tending to cause harm; damaging or harmful.
Example
Pollution has detrimental effects on fertility.
La pollution a des effets nuisibles sur la fertilité.
C1 verb/noun /ˈrɛlɪʃ/

relish

apprécier / condiment
Meaning
to greatly enjoy; also a condiment or sauce
Example
She relished the opportunity to travel abroad.
Elle a beaucoup apprécié l'occasion de voyager à l'étranger.
C1 noun /məˈtɪəriəlɪzəm/

Materialism

matérialisme
Meaning
A tendency to consider material possessions more important than spiritual values
Example
The rise of materialism in modern society concerns many philosophers.
L'essor du matérialisme dans la société moderne préoccupe de nombreux philosophes.
C1 adjective /freɪl/

frail

fragile
Meaning
Physically weak and delicate.
Example
The old man was too frail to walk without help.
L'homme âgé était trop fragile pour marcher sans aide.
C1 noun, adjective /ˈsɒlvənt/

solvent

solvant, capable de rembourser ses dettes
Meaning
a liquid that dissolves other substances; also means able to pay debts
Example
Acetone is a common solvent used in laboratories.
L'acétone est un solvant couramment utilisé dans les laboratoires.
C1 noun /buːn/

boon

bénédiction
Meaning
A thing that is helpful or beneficial.
Example
The internet is a boon to modern education.
Internet est une bénédiction pour l'éducation moderne.
C1 noun /ˈɛstjʊəri/

estuary

estuaire
Meaning
the tidal mouth of a large river, where the tide meets the stream
Example
The city is located near the estuary of the river.
La ville est située près de l'estuaire du fleuve.
C1 verb /siːp/

seep

s'infiltrer lentement
Meaning
to flow or leak slowly through small openings or pores
Example
Water began to seep through the cracks in the wall.
L'eau a commencé à s'infiltrer à travers les fissures dans le mur.
C1 noun /ˈpɛnɪtəns/

penitence

pénitence
Meaning
The action or feeling of showing sorrow and regret for having done wrong.
Example
His eyes were full of penitence after realizing his mistake.
Ses yeux étaient pleins de pénitence après avoir réalisé son erreur.
C1 adjective /ˈmɜː(r)dərəs/

Murderous

meurtrier; avec l'intention de tuer; extrêmement violent; sanguinaire
Meaning
having the intent to kill; extremely violent; bloodthirsty
Example
The murderous look in his eyes frightened everyone.
Le regard meurtrier dans ses yeux a effrayé tout le monde.
C1 noun /ˌbɪbliˈɒɡrəfi/

bibliography

bibliographie
Meaning
a list of books, articles, or other sources used or referred to in scholarly work
Example
The report includes a detailed bibliography at the end.
Le rapport inclut une bibliographie détaillée à la fin.
C1 noun /ˌɔːkʃəˈnɪər/

auctioneer

commissaire-priseur
Meaning
a person who conducts auctions by calling out bids and selling items to the highest bidder
Example
The auctioneer quickly raised the price as bidders competed for the painting.
Le commissaire-priseur a rapidement augmenté le prix.
C1 verb /əˈbriːvieɪt/

abbreviate

abréger
Meaning
To shorten a word, phrase, or text by leaving out letters or parts.
Example
We often abbreviate 'Doctor' to 'Dr'.
Nous abrégons souvent 'Docteur' en 'Dr'.
C1 adverb /suːˈpɜːb.li/

Superbly

de manière excellente
Meaning
in an excellent or outstanding manner
Example
She performed superbly in the dance competition.
Elle a excellé dans la compétition de danse.
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 /bɪˈsɛt/

beset

assiéger, harceler
Meaning
to trouble, harass, or attack on all sides
Example
The village was beset by constant floods.
Le village était assiégé par des inondations constantes.
C1 noun /rʌsk/

Rusk

biscuit sec; pain grillé
Meaning
a hard, dry biscuit or twice-baked bread; a type of crisp, sweet biscuit
Example
The baby enjoyed eating the soft rusk with milk.
Le bébé a apprécié manger le rusk doux avec du lait.
C1 noun əˈtrɪʃ.ən

attrition

attrition
Meaning
The process of reducing something's strength or effectiveness through sustained attack or pressure.
Example
The company faced high employee attrition due to job dissatisfaction.
L'entreprise a subi une forte attrition des employés en raison de l'insatisfaction au travail.
C1 noun /ˈtem.pər.ə.mənt/

Temperament

tempérament; humeur; disposition naturelle
Meaning
a person's natural disposition or mood; characteristic behavior patterns
Example
She has a calm temperament that helps her handle stress well.
Elle a un tempérament calme qui l'aide à bien gérer le stress.
C1 noun /ˈroʊ.lɪŋ bɔːrd/

Rolling board

planche à rouler
Meaning
a flat wooden or marble surface used for rolling out dough
Example
She placed the dough on the rolling board.
Elle a placé la pâte sur la planche à rouler.
C1 adjective /ˈtɛnəbl/

tenable

défendable
Meaning
able to be defended or maintained against attack or objection
Example
His argument was strong and tenable in court.
Son argument était fort et défendable au tribunal.
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 adjective /ˈper.ɪ.ləs/

perilous

périlleux, dangereux, risqué
Meaning
Full of danger or risk; hazardous and threatening.
Example
The explorers took a perilous journey.
Les explorateurs ont fait un voyage périlleux.
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 noun /ˈdɑːsieɪ/

dossier

dossier
Meaning
A collection of documents about a particular person, event, or subject.
Example
The lawyer presented a dossier of evidence to the court.
L'avocat a présenté un dossier de preuves au tribunal.
C1 adjective /ˌbaɪˈlæt.ər.əl/

bilateral

bilatéral
Meaning
An agreement or relationship between two parties that is mutual, two-sided, or reciprocal.
Example
The two countries signed a bilateral trade agreement.
Les deux pays ont signé un accord commercial bilatéral.
C1 noun /sɪlt/

silt

limon
Meaning
Fine sand, clay, or other material carried by running water and deposited as a sediment.
Example
The river deposited layers of silt along its banks.
Le fleuve a déposé des couches de limon le long de ses rives.
C1 noun/verb /ˈkætəpʌlt/

catapult

catapulte
Meaning
A device for launching objects at high speed; to hurl or launch something suddenly.
Example
The invention catapulted him to international fame.
L'invention l'a catapulté à la célébrité internationale.
C1 verb /daɪˈluːt/

dilute

diluer
Meaning
To make a liquid thinner or weaker by adding water or another solvent.
Example
You should dilute the juice with water before serving it to children.
Vous devez diluer le jus avec de l'eau avant de le servir aux enfants.
C1 noun ˈiːkəʊˌsɪstəm ˈsɜːvɪsɪz

ecosystem services

services écosystémiques
Meaning
The benefits people obtain from ecosystems.
Example
Forests provide valuable ecosystem services, such as purifying air and water.
Les forêts fournissent des services écosystémiques précieux, comme la purification de l'air et de l'eau.
C1 adjective /ˈpraɪ.məl/

primal

primitif, fondamental
Meaning
Relating to the earliest stage of development; essential or fundamental.
Example
Fear is one of the most primal emotions humans experience.
La peur est l'une des émotions les plus primales que les humains ressentent.
C1 adverb /ˈvaɪtəli/

vitally

vitalement
Meaning
in an extremely important or essential way; in a manner relating to life or vitality
Example
Access to clean water is vitally important for public health.
L’accès à l’eau propre est vitalement important pour la santé publique.
C1 noun /ˌæntɪˈsiːdənt/

antecedent

antécédent
Meaning
something that came before; a previous event, condition, or cause
Example
The cultural antecedents of this festival go back centuries.
Les antécédents culturels de ce festival remontent à des siècles.
C1 adjective /ˌsuː.pəˈsɒn.ɪk/

Supersonic

plus rapide que la vitesse du son; lié aux vitesses supérieures à celle du son
Meaning
faster than the speed of sound; relating to speeds greater than the speed of sound
Example
The supersonic jet broke the sound barrier.
Le jet supersonique a franchi le mur du son.
C1 noun /ɡəˈzet/

Gazette

gazette
Meaning
an official journal or newspaper, especially one published by an organization or government
Example
The promotion was officially announced in the government gazette last week.
La promotion a été annoncée officiellement dans la gazette gouvernementale la semaine dernière.
C1 noun /ˌdʒæm.bəˈriː/

Jamboree

fête; rassemblement festif;
Meaning
a large celebration or party; a gathering with entertainment; a festive event
Example
The scout jamboree brought together thousands of young people from around the world.
Le jamboree scout a réuni des milliers de jeunes du monde entier.
C1 adjective /ˌtræn.senˈdɛn.təl/

transcendental

transcendantal
Meaning
relating to the spiritual or non-physical realm; surpassing ordinary experience
Example
Meditation can lead to transcendental experiences.
La méditation peut mener à des expériences transcendantes.
C1 noun/verb /ˈbɔɪ/ or /ˈbuːi/

buoy

bouée, maintenir à flot
Meaning
A floating marker on water; to keep something afloat or encourage someone.
Example
The news buoyed their spirits after the loss.
Les nouvelles ont élevé leur esprit après la perte.
C1 verb /ˈdʒʌk.stə.poʊz/

juxtapose

placer deux choses différentes côte à côte
Meaning
To place two different things close together to show how they are different or similar.
Example
The artist juxtaposed traditional and modern elements in his painting.
L'artiste a placé des éléments traditionnels et modernes dans sa peinture.
C1 noun /ˈlæt.ɪ.tuːd/

Latitude

latitude
Meaning
the angular distance of a place north or south of the earth's equator; freedom to act or think
Example
The GPS device showed our exact latitude and longitude coordinates on the map.
L'appareil GPS a montré nos coordonnées exactes de latitude et de longitude sur la carte.
C1 noun, verb /strænd/

strand

fil / bloqué
Meaning
Noun: A single thin length of thread, wire, or similar. Verb: To leave someone or something without a way of moving or leaving.
Example
The storm stranded many tourists on the island.
La tempête a laissé de nombreux touristes bloqués sur l'île.
C1 adjective /ɪɡˈzɔːstɪv/

exhaustive

exhaustif et complet
Meaning
Fully comprehensive and including all possibilities.
Example
The report provides an exhaustive analysis of the issue.
Le rapport fournit une analyse exhaustive du problème.
C1 noun /ræˈpɔːr/

rapport

relation
Meaning
A close and harmonious relationship in which the people or groups concerned understand each other's feelings or ideas.
Example
The teacher built a strong rapport with her students.
L'enseignant a établi un fort rapport avec ses élèves.
C1 noun /rɪˌmjuː.nəˈreɪ.ʃən/

Remuneration

rémunération; compensation; récompense
Meaning
money paid for work or services; compensation or reward
Example
The job offers excellent remuneration and benefits.
Le travail offre une excellente rémunération et des avantages.
C1 verb /spɜːr/

spur

inciter / encourager
Meaning
To encourage or motivate someone to take action.
Example
The teacher's praise spurred him to study harder.
Les éloges du professeur l'ont incité à étudier plus dur.
C1 verb /ˈkrʌmpəl/

crumple

froisser
Meaning
to crush something into folds or wrinkles
Example
He crumpled the paper and threw it in the bin.
Il a froissé le papier et l'a jeté dans la poubelle.
C1 noun /ˌvaɪ.əˈbɪl.ə.ti/

viability

viabilité
Meaning
Ability to work successfully; feasibility.
Example
The viability of the project depends on funding.
La viabilité du projet dépend du financement.
C1 noun /ˈsʌm.ɪt əv ðə ˈfjuː.tʃər/

Summit of the Future

Sommet du futur
Meaning
A high-level conference focused on addressing future challenges and opportunities.
Example
The Summit of the Future addressed global challenges.
Le Sommet du Futur a abordé les défis mondiaux.
C1 noun /bəˈrɑːʒ/

barrage

barrage ou attaque rapide
Meaning
a concentrated outpouring of questions, criticisms, or blows; a rapid, continuous attack
Example
The politician faced a barrage of tough questions from reporters.
Le politicien a fait face à un barrage de questions difficiles de la part des journalistes.
C1 noun/verb /ˈsaɪ.fər/

cipher

chiffre
Meaning
A secret or disguised way of writing; a code; to put a message into secret writing.
Example
Military messages are protected using a cipher.
Les messages militaires sont protégés par un chiffre.
C1 adjective /ɪnˈθrɔː.lɪŋ/

enthralling

captivant
Meaning
Captivating and holding one's attention completely; fascinating.
Example
The movie was enthralling, keeping the audience engaged till the end.
Le film était captivant, maintenant le public engagé jusqu'à la fin.
C1 noun /ˈpəʊstˌskrɪpt/

postscript

post-scriptum
Meaning
an additional remark at the end of a letter or text, after the signature
Example
She added a brief postscript to thank him again.
Elle a ajouté une brève post-scriptum pour le remercier à nouveau.
C1 noun /ɪˈmɜː.ʃən/

immersion

immersion
Meaning
Complete engagement in an environment or experience.
Example
Immersion in VR games makes users feel like they are inside the virtual world.
L'immersion dans les jeux en réalité virtuelle fait sentir aux utilisateurs qu'ils sont à l'intérieur du monde virtuel.
C1 noun /ˈtrɪb.jə.ter.i/

Tributary

affluent
Meaning
a river or stream flowing into a larger river or lake
Example
The tributary joins the main river near the city.
L'affluent rejoint la rivière principale près de la ville.
C1 noun /ˌkɒn.stəˈleɪ.ʃən/

constellation

constellation
Meaning
a group of stars forming a recognizable pattern in the night sky
Example
Orion is one of the most famous constellations.
Orion est l'une des constellations les plus célèbres.
C1 verb /sʌlk/

sulk

faire la tête
Meaning
to be silent and bad-tempered because you are angry or disappointed
Example
She sulked in her room after the argument.
Elle a fait la tête dans sa chambre après la dispute.
C1 noun /ˈpɒpjʊləs/

populace

population
Meaning
the general public; the ordinary people living in a country or area
Example
The new law was welcomed by the local populace.
La nouvelle loi a été accueillie par la population locale.
C1 adjective /ˈtækt.fəl/

Tactful

diplomate; habile;
Meaning
showing skill and sensitivity in dealing with others or difficult situations
Example
He gave a tactful response to avoid hurting her feelings.
Il a donné une réponse diplomate pour éviter de blesser ses sentiments.
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 adjective /ˈpent ʌp/

Pent-up

réprimé; restreint; confiné
Meaning
suppressed; restrained; confined
Example
He had pent-up anger that finally exploded.
Il avait de la colère réprimée qui a finalement explosé.
C1 adverb /ɪnˈdɛfɪnətli/

indefinitely

indéfiniment
Meaning
for an unlimited or unspecified period of time
Example
The project has been postponed indefinitely.
Le projet a été reporté indéfiniment.
C1 noun /ˈvɪstə/

vista

vue
Meaning
A pleasing view, especially one seen through a long, narrow opening.
Example
From the mountain top, we admired the breathtaking vista of the valley below.
Du sommet de la montagne, nous avons admiré la vue imprenable de la vallée en bas.
C1 noun /ˈmeɪniə/

Mania

manie; enthousiasme extrême
Meaning
Mental illness marked by periods of great excitement; extreme enthusiasm
Example
She had a mania for collecting vintage postcards from around the world.
Elle avait une manie de collectionner des cartes postales anciennes du monde entier.
C1 noun /oʊˈveɪʃən/

ovation

ovation
Meaning
an enthusiastic show of approval, especially by clapping hands
Example
The actor received a standing ovation after his performance.
L'acteur a reçu une ovation debout après sa performance.
C1 adjective /ˈmɔːtəl/

Mortal

mortel; périssable; humain
Meaning
subject to death; having a limited lifespan; human
Example
All human beings are mortal and will eventually die.
Tous les êtres humains sont mortels et mourront éventuellement.
C1 adjective /ʌnˈɜːrθli/

unearthly

surnaturel
Meaning
Strange or unnatural in a way that seems not of this world
Example
The forest was filled with an unearthly glow.
La forêt était remplie d'une lueur surnaturelle.
C1 verb /ˈvɪn.dɪ.keɪt/

vindicate

justifier
Meaning
To clear someone of blame or suspicion; to show or prove to be right, reasonable, or justified.
Example
The new evidence helped vindicate the wrongly accused man.
La nouvelle preuve a aidé à justifier l'homme injustement accusé.
C1 noun fɔːlt ˈtɒl.ər.əns

fault-tolerance

tolérance aux pannes
Meaning
The ability of a system to continue operating properly in the event of the failure of some of its components.
Example
Fault-tolerance ensures dependable systems.
La tolérance aux pannes assure des systèmes fiables.
C1 noun /ˈmaɪlɪdʒ/

mileage

rendement
Meaning
The distance traveled in miles, or the fuel efficiency of a vehicle.
Example
This car gives excellent mileage on highways.
Cette voiture offre un excellent rendement sur les autoroutes.
C1 noun /blæk sɔːlt/

Black Salt

sel noir
Meaning
a type of rock salt with a distinctive sulfuric flavor, commonly used in Indian cuisine
Example
Add a pinch of black salt to enhance the flavor of the fruit salad.
Ajoutez une pincée de sel noir pour rehausser la saveur de la salade de fruits.
C1 adjective /ʌnˈθɪŋkɪŋ/

unthinking

irréfléchi
Meaning
done without careful thought; automatic or thoughtless
Example
His unthinking remark hurt her feelings.
Sa remarque irréfléchie a blessé ses sentiments.
C1 noun, verb /əˈsɛnt/

assent

assentiment
Meaning
To agree to something, especially after careful consideration; an expression of approval.
Example
She nodded her head in silent assent.
Elle a hoché la tête en silence.
C1 adjective /ˈsɛnʃənt/

sentient

sentient
Meaning
Able to perceive or feel things.
Example
Humans are sentient beings capable of reasoning.
Les humains sont des êtres sentients capables de raisonner.
C1 verb /ɪmˈpɪndʒ/

impinge

affecter
Meaning
to have an effect or impact on something; to encroach or infringe
Example
The noise from the construction site impinges on our daily activities.
Le bruit du chantier impacte nos activités quotidiennes.
C1 noun /ˈlaɪm.laɪt/

Limelight

le centre de l'attention publique; une lumière brillante produite en chauffant un cylindre de chaux
Meaning
the focus of public attention; a bright light produced by heating a cylinder of lime
Example
The celebrity enjoyed being in the limelight.
La célébrité a adoré être sous les projecteurs.