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C1 noun /ˈseɪɑːns/

seance

séance
Meaning
A meeting where people attempt to communicate with the spirits of the dead.
Example
They held a seance to contact their late grandmother.
Ils ont organisé une séance pour contacter leur grand-mère décédée.
C1 verb /ˈvæŋkwɪʃ/

vanquish

vaincre
Meaning
to defeat thoroughly, especially in battle or competition
Example
The army vanquished its enemies with superior strategy.
L'armée a vaincu ses ennemis grâce à une stratégie supérieure.
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 /snɪər/

sneer

sourire de façon moqueuse
Meaning
to smile or speak in a mocking or contemptuous way
Example
She sneered at his attempt to sing.
Elle se moquait de sa tentative de chanter.
C1 noun /ˈvenɪsən/

Venison

viande de cerf
Meaning
meat from a deer used as food
Example
The restaurant serves delicious venison steaks.
Le restaurant sert de délicieux steaks de venaison.
C1 noun /næk/

knack

aptitude
Meaning
a natural skill or ability; a special talent for doing something easily
Example
She has a knack for making people feel comfortable.
Elle a une aptitude à rendre les gens à l'aise.
C1 adjective /rɪˈbel.jəs/

Rebellious

révolté; désobéissant; qui défie l'autorité;
Meaning
defying authority; resisting control; disobedient;
Example
The rebellious teenager refused to follow his parents' rules.
L'adolescent rebelle a refusé de suivre les règles de ses parents.
C1 verb /ˈhæɡəl/

haggle

marchander
Meaning
to argue about the price; to bargain persistently
Example
They haggled over the price for an hour.
Ils ont marchandé le prix pendant une heure.
C1 adjective /ˌrɛprɪzɛnˈteɪʃənl̩/

representational

représentationnel
Meaning
Relating to or depicting something in a realistic or symbolic way.
Example
The artist preferred a representational style of painting.
L'artiste préférait un style de peinture représentationnel.
C1 noun /ˈmæl.ɪt/

Mallet

maillet
Meaning
a hammer with a large head, typically made of wood
Example
The carpenter used a rubber mallet to avoid damaging the wood.
Le charpentier a utilisé un maillet en caoutchouc pour éviter d'endommager le bois.
C1 adjective /ˌæpəˈθɛtɪk/

apathetic

apathétique
Meaning
showing or feeling little or no interest, enthusiasm, or concern
Example
He was apathetic about the outcome of the match.
Il était indifférent au résultat du match.
C1 verb /ˈrævɪdʒ/

ravage

ravager
Meaning
to cause severe and extensive damage or destruction
Example
The hurricane ravaged the coastal villages.
L'ouragan a ravagé les villages côtiers.
C1 adjective /rɪˈdʌn.dənt/

redundant

superflu
Meaning
Not or no longer needed or useful; superfluous.
Example
The report contained redundant information.
Le rapport contenait des informations superflues.
C1 verb /kəmˈprɛs/

compress

compresser
Meaning
to press or squeeze something so that it becomes smaller
Example
The file was compressed to save storage space.
Le fichier a été compressé pour économiser de l'espace de stockage.
C1 noun /ˈbærɪˌtoʊn/

baritone

voix masculine grave
Meaning
a male singing voice between tenor and bass
Example
The singer’s baritone voice impressed the audience.
La voix de baryton du chanteur a impressionné le public.
C1 adjective /vɜːrˈboʊs/

verbose

verbeux
Meaning
Using or expressed in more words than are needed; wordy.
Example
His verbose explanation confused the audience instead of clarifying the issue.
Son explication verbeuse a confondu le public au lieu d'éclaircir la question.
C1 noun /ˌdɪstɪˈleɪʃən/

distillation

distillation
Meaning
The process of purifying a liquid by heating and cooling; the extraction of the essential meaning.
Example
Distillation is commonly used to produce alcoholic beverages.
La distillation est couramment utilisée pour produire des boissons alcoolisées.
C1 noun /hɪm/

hymn

hymne
Meaning
A religious song or poem of praise to God or a deity.
Example
The congregation sang a hymn during the morning service.
La congrégation a chanté un hymne lors du service du matin.
C1 verb /ˌriː.kənˈviːn/

reconvene

se réunir à nouveau
Meaning
to gather or assemble again, especially for a meeting
Example
The committee will reconvene after lunch.
Le comité se réunira après le déjeuner.
C1 verb /riˈdʒɔɪn/

rejoin

réintégrer
Meaning
to join again or return to a group, place, or activity
Example
After a short break, she decided to rejoin the team.
Après une courte pause, elle a décidé de réintégrer l'équipe.
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 /ˈpjuːtrɪd/

putrid

pourri
Meaning
decayed and emitting a foul smell
Example
The garbage smelled putrid after days in the sun.
Les ordures sentaient pourries après plusieurs jours sous le soleil.
C1 adjective /ˈwɪl.fəl/

Wilful

têtu; fait intentionnellement
Meaning
deliberately stubborn; done on purpose; intentional
Example
His wilful disobedience led to punishment.
Sa désobéissance délibérée a conduit à une punition.
C1 noun /ˈpreɪsiː/

precis

résumé
Meaning
A concise summary of a text or speech.
Example
The student submitted a précis of the long article.
L'étudiant a soumis un résumé de l'article long.
C1 noun /ˌdɪspɛnˈseɪʃən/

dispensation

dispense
Meaning
An exemption from a rule or usual requirement; a system of order, government, or control.
Example
The school granted him a special dispensation to skip the exam due to illness.
L'école lui a accordé une dispense spéciale pour ne pas passer l'examen en raison de sa maladie.
C1 noun (plural) /kwɑːmz/

qualms

scrupules
Meaning
feelings of doubt, worry, or uneasiness
Example
He had serious qualms about accepting the offer.
Il avait de sérieuses inquiétudes à propos d'accepter l'offre.
C1 noun /kwɔːrˈtɛt/

quartet

quatuor
Meaning
A group of four people playing music or singing together.
Example
The string quartet performed beautifully at the concert.
Le quatuor à cordes a magnifiquement joué au concert.
C1 verb /əˈdʒɜrn/

adjourn

ajourner
Meaning
to suspend a meeting or session to another time or place
Example
The judge decided to adjourn the hearing until next week.
Le juge a décidé de reporter l'audience jusqu'à la semaine prochaine.
C1 verb /sluː/

slew

virer brusquement
Meaning
To turn or slide violently in a particular direction.
Example
The car slewed across the icy road.
La voiture a dérapé sur la route glacée.
C1 verb /dɪˈsweɪd/

dissuade

dissuader
Meaning
To persuade someone not to do something.
Example
She tried to dissuade him from quitting his job.
Elle a essayé de le dissuader de quitter son travail.
C1 adjective /ˌoʊvərˈbɛrɪŋ/

overbearing

autoritaire
Meaning
unpleasantly or arrogantly domineering
Example
His overbearing attitude made everyone uncomfortable.
Son attitude autoritaire a mis tout le monde mal à l'aise.
C1 adjective /ʌnˈkɒm.prə.maɪ.zɪŋ/

Uncompromising

intransigeant, inflexible
Meaning
unwilling to change one's views or to agree about something; showing an unwillingness to make concessions to others
Example
He was uncompromising in his demand for a full apology.
Il était intransigeant dans sa demande d'excuses complètes.
C1 adjective ˌɡæs.troʊ.ɪnˈtes.tɪ.nəl

gastrointestinal

gastro-intestinal
Meaning
Relating to the stomach and intestines.
Example
Spicy food can cause gastrointestinal issues.
Les aliments épicés peuvent provoquer des problèmes gastro-intestinaux.
C1 adjective /ɪkˈstætɪk/

ecstatic

extatique
Meaning
Feeling or expressing overwhelming happiness or excitement.
Example
The fans were ecstatic after their team won the championship.
Les fans étaient extatiques après que leur équipe ait gagné le championnat.
C1 noun/verb /reɪn/

rein

rênes / contrôle
Meaning
A strap used to control a horse; to control or guide something.
Example
The rider pulled the rein to stop the horse.
Le cavalier a tiré sur la rêne pour arrêter le cheval.
C1 adjective /ˈplaɪəbəl/

pliable

flexible
Meaning
easily bent or flexible; adaptable
Example
The metal is pliable enough to be shaped into jewelry.
Le métal est suffisamment flexible pour être façonné en bijoux.
C1 noun /ɪkˈstræv.ə.ɡəns/

Extravagance

dépense excessive; gaspillage
Meaning
lack of restraint in spending money; excessive expense
Example
The wedding celebration was criticized for its unnecessary extravagance.
La célébration du mariage a été critiquée pour son extravagance inutile.
C1 verb /ˈsætəˌraɪz/

satirize

satiriser
Meaning
to mock or criticize something using satire
Example
The play satirizes the greed of modern corporations.
La pièce satirise la cupidité des entreprises modernes.
C1 noun /twɪndʒ/

twinge

douleur aiguë
Meaning
a sudden, sharp pain or an emotional pang
Example
He felt a twinge of guilt after lying to his friend.
Il a ressenti une douleur aiguë de culpabilité après avoir menti à son ami.
C1 adjective /dɪˈstrɔːt/

distraught

déstabilisé
Meaning
extremely upset and anxious, often to the point of being unable to think clearly
Example
She was distraught after losing her pet.
Elle était déstabilisée après avoir perdu son animal de compagnie.
C1 adjective /ɪˈrɒtɪk/

erotic

érotique
Meaning
relating to or tending to arouse sexual desire or excitement
Example
The novel contained several erotic scenes.
Le roman contenait plusieurs scènes érotiques.
C1 noun /ˈkeɪ.sɪŋ/

Casing

revêtement; coque
Meaning
a cover or shell that protects or encloses something
Example
The mechanic removed the engine casing to examine the internal parts.
Le mécanicien a retiré la coque du moteur pour examiner les pièces internes.
C1 adjective /ˈpɪt.i.ləs/

pitiless

impitoyable
Meaning
showing no pity or compassion; cruel
Example
The pitiless ruler ignored the suffering of his people.
Le souverain impitoyable a ignoré la souffrance de son peuple.
C1 adjective /kəˈmɛmərətɪv/

commemorative

commémoratif
Meaning
Serving as a reminder or in honor of a person or event.
Example
They issued a commemorative coin for the independence anniversary.
Ils ont émis une pièce commémorative pour l'anniversaire de l'indépendance.
C1 noun /ˌdɒmɪˈneɪʃən/

domination

domination
Meaning
the exercise of control or influence over someone or something
Example
The empire sought domination over its neighbors.
L'empire cherchait à exercer sa domination sur ses voisins.
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 /ˈplɛθərə/

plethora

une quantité excessive
Meaning
an excessive amount of something
Example
She has a plethora of books on her shelf.
Elle a une quantité excessive de livres sur son étagère.
C1 verb /diːm/

deem

considérer, juger
Meaning
to regard or consider in a specified way
Example
The project was deemed a success by the board.
Le projet a été jugé un succès par le conseil.
C1 verb /ɪmˈpɛrɪl/

imperil

mettre en danger
Meaning
To put in danger or at risk.
Example
Reckless driving can imperil the lives of others.
La conduite imprudente peut mettre la vie des autres en danger.
C1 adjective /ˌʌnrɪˈkwaɪtɪd/

unrequited

non réciproque
Meaning
Not returned or reciprocated, especially in the context of love or affection.
Example
He suffered from unrequited love for years.
Il a souffert d'un amour non réciproque pendant des années.
C1 noun /spæt/

spat

dispute mineure
Meaning
a short, petty quarrel or argument
Example
They had a brief spat about who should do the dishes.
Ils ont eu une petite dispute sur qui devait faire la vaisselle.
C1 noun /ˈpɪnəkəl/

pinnacle

sommet
Meaning
the highest point or peak of something, especially of success or achievement
Example
Winning the Nobel Prize was the pinnacle of her career.
Gagner le prix Nobel a été le pinacle de sa carrière.
C1 noun /ˈælɪɡəri/

allegory

allégorie
Meaning
a story, poem, or picture that can be interpreted to reveal a hidden meaning, often moral or political
Example
The novel is an allegory of the struggle between good and evil.
Le roman est une allégorie de la lutte entre le bien et le mal.
C1 adjective /ˈædʒɪteɪtɪd/

Agitated

agité; nerveux; inquiet; excité de manière négative
Meaning
disturbed; anxious; restless; excited in a negative way
Example
He became agitated when he heard the bad news.
Il est devenu agité lorsqu'il a entendu les mauvaises nouvelles.
C1 adjective /rɪˈsɜːrdʒənt/

resurgent

resurgissant
Meaning
Becoming strong, active, or popular again.
Example
The resurgent economy gave hope to many businesses.
L'économie resurgissante a donné de l'espoir à de nombreuses entreprises.
C1 adjective /ˈkɔːrəl/

choral

relatif au chœur
Meaning
Relating to, written for, or performed by a choir or chorus.
Example
The church hosted a choral performance on Sunday.
L'église a organisé une performance chorale dimanche.
C1 noun /ˈmɪlɪtəˌrɪzəm/

militarism

militarisme
Meaning
The belief in maintaining a strong military and using it aggressively to defend or promote national interests.
Example
The rise of militarism in the region caused tension among neighboring countries.
L'essor du militarisme dans la région a provoqué des tensions entre les pays voisins.
C1 noun /krəˈvæs/

crevasse

fissure profonde
Meaning
a deep crack in a glacier or the earth’s surface
Example
The climbers carefully crossed the icy crevasse.
Les alpinistes ont traversé prudemment la fissure glacée.
C1 noun kəˈlæt.ər.əl

collateral

garantie, bien offert comme sécurité pour un prêt
Meaning
Something pledged as security for repayment of a loan, to be forfeited in the event of a default.
Example
The bank requires collateral for loan approval.
La banque exige une garantie pour l'approbation du prêt.
C1 noun /rɪˈpreʃən/

Repression

répression
Meaning
the action of subduing someone or something by force; the restraint, prevention, or inhibition of a feeling, impulse, etc.
Example
The government's repression of free speech sparked widespread protests.
La répression du gouvernement de la liberté d'expression a déclenché des protestations généralisées.
C1 verb /rɪˈnaʊns/

renounce

renoncer
Meaning
to formally declare rejection of something, such as a claim, belief, or way of life
Example
She renounced her citizenship to move abroad permanently.
Elle a renoncé à sa citoyenneté pour s'installer définitivement à l'étranger.
C1 noun /ʃoʊl/

shoal

école de poissons
Meaning
a large group of fish swimming together; a shallow place in water
Example
We saw a shoal of fish near the coast.
Nous avons vu une école de poissons près de la côte.
C1 verb ɪɡˈzɛm.plɪ.faɪ

exemplify

illustrer
Meaning
To be a typical example of or to illustrate something clearly, to show as an example or demonstrate.
Example
His dedication exemplifies true leadership.
Sa dévotion illustre un véritable leadership.
C1 adjective /ˈɡæst.li/

ghastly

épouvantable
Meaning
Causing great horror or fear; very unpleasant.
Example
The crime scene was a ghastly sight.
La scène de crime était épouvantable.
C1 adjective /ˈplaɪənt/

pliant

souple, facilement influençable ou adaptable
Meaning
flexible; easily influenced or adaptable
Example
She has a pliant personality that adapts well to new situations.
Elle a une personnalité flexible qui s'adapte bien aux nouvelles situations.
C1 adjective /ˈfjuː.dəl/

feudal

féodal
Meaning
relating to the system of feudalism, a medieval social system based on land ownership and obligations
Example
The castle is a remnant of the feudal era.
Le château est un vestige de l'époque féodale.
C1 noun /ˌdɪsəˈluːʃən/

dissolution

dissolution
Meaning
the act of formally ending or breaking apart something, such as an organization or marriage
Example
The dissolution of the company was announced yesterday.
La dissolution de l'entreprise a été annoncée hier.
C1 adverb /ˌhɛdˈfɜrst/

headfirst

tête en avant
Meaning
With the head leading; in a reckless or hasty manner.
Example
He dived headfirst into the pool.
Il s'est jeté tête la première dans la piscine.
C1 adjective /ˈven.ə.məs/

Venomous

venimeux; malveillant;
Meaning
secreting venom; full of malice or spite; extremely hostile
Example
The venomous snake struck quickly at its prey.
Le serpent venimeux a frappé rapidement sa proie.
C1 noun /iːl/

Eel

anguille
Meaning
a long, snake-like fish that lives in both fresh and salt water
Example
The electric eel can generate powerful electric shocks.
L’anguille électrique peut produire de puissantes décharges électriques.
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 noun /ˌɪn.səˌbɔːr.dɪˈneɪ.ʃən/

insubordination

insubordination
Meaning
Defiance of authority; refusal to obey orders.
Example
The soldier was punished for insubordination during the mission.
Le soldat a été puni pour insubordination pendant la mission.
C1 noun /ˈʌndərˌstʌdi/

understudy

sous-distributeur
Meaning
An actor who learns another's role to act as a replacement if needed.
Example
The understudy performed when the lead actor fell ill.
Le sous-distributeur a joué lorsque l'acteur principal est tombé malade.
C1 verb /səbˈsɪst/

subsist

subsister
Meaning
To maintain or support oneself, especially at a minimal level.
Example
Many villagers still subsist on fishing and farming.
Beaucoup de villageois subsistent encore grâce à la pêche et à l'agriculture.
C1 noun /ˈsɪləbəl/

syllable

syllabe
Meaning
A unit of pronunciation having one vowel sound, with or without surrounding consonants, forming the whole or part of a word.
Example
The word 'computer' has three syllables.
Le mot 'ordinateur' a trois syllabes.
C1 noun /ˈtʌrɪt/

turret

petite tour sur le sommet d'une tour ou d'un bâtiment plus grand
Meaning
A small tower on top of a larger tower or building, often used in castles or fortifications.
Example
The castle was guarded by soldiers stationed in the turret.
Le château était gardé par des soldats postés dans la tourelle.
C1 noun /ˈtændʒənt/

tangent

tangente
Meaning
a straight line or plane that touches a curve or curved surface at a point but does not cross it
Example
The teacher drew a tangent to the circle on the board.
Le professeur a tracé une tangente au cercle sur le tableau.
C1 adjective /koʊˈɜːrsɪv/

coercive

coercitif
Meaning
Relating to or using force or threats to make someone do something.
Example
The government faced criticism for adopting coercive measures against protestors.
Le gouvernement a été critiqué pour avoir adopté des mesures coercitives contre les manifestants.
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 verb /ˈsɔːntər/

saunter

se promener lentement
Meaning
to walk in a slow, relaxed manner without hurry or effort
Example
We sauntered along the riverside, stopping now and then to watch the boats.
Nous avons flâné le long de la rivière, nous arrêtant de temps en temps pour observer les bateaux.
C1 verb /ˈmæd.ən/

madden

rendre fou
Meaning
To make someone very angry or extremely annoyed.
Example
The constant noise maddened him.
Le bruit constant l'a rendu fou.
C1 adjective /rɪˈvɜː.sə.bəl/

Reversible

réversible
Meaning
able to be turned the other way around; able to be undone or changed back
Example
This jacket is reversible and can be worn on both sides.
Cette veste est réversible et peut être portée des deux côtés.
C1 verb /ˈdaʊn.pleɪ/

downplay

minimiser
Meaning
to make something seem less important than it really is
Example
The company tried to downplay the risks of the new product.
L'entreprise a essayé de minimiser les risques du nouveau produit.
C1 noun/verb /ˈsuː.tʃər/

suture

suture
Meaning
A stitch or row of stitches holding together the edges of a wound or surgical incision.
Example
The doctor used a suture to close the wound.
Le docteur a utilisé une suture pour fermer la plaie.
C1 noun /ˈmenəs/

Menace

menace
Meaning
A person or thing that is likely to cause harm; a threat
Example
The reckless driver was a menace to everyone on the road.
Le conducteur imprudent était une menace pour tout le monde sur la route.
C1 noun /ˌdɛsɪˈmeɪʃən/

decimation

décimation
Meaning
The act of destroying or killing a large proportion of something.
Example
The decimation of the city left thousands homeless.
La décimation de la ville a laissé des milliers de sans-abri.
C1 noun /ˈpiːɒn/

peon

péon
Meaning
a low-ranking worker, often performing menial tasks
Example
The office peon delivered the files to each department.
Le péon du bureau a remis les dossiers à chaque département.
C1 noun /stɛlθ/

stealth

discrétion, furtivité
Meaning
The act of moving, doing, or achieving something quietly and secretly.
Example
The cat moved with stealth towards its prey.
Le chat s'est déplacé furtivement vers sa proie.
C1 adjective /rɪˈzɪstɪv/

resistive

résistif
Meaning
tending to resist or oppose; in physics, relating to electrical resistance
Example
The material has resistive properties that slow down current flow.
Le matériau possède des propriétés résistives qui ralentissent le flux de courant.
C1 adverb ɪnˈtrɪn.zɪ.kli

intrinsically

intrinsèquement
Meaning
In a way that is naturally or inherently part of something's essential nature.
Example
Some people are intrinsically motivated to learn.
Certaines personnes sont intrinsèquement motivées à apprendre.
C1 verb /siːd/

cede

ceder
Meaning
to give up power, territory, or rights to another
Example
The country ceded territory after losing the war.
Le pays a cédé du territoire après avoir perdu la guerre.
C1 noun /ˈdek.ə.dəns/

decadence

décadence
Meaning
Moral or cultural decline characterized by excessive indulgence in pleasure or luxury.
Example
The novel describes the decadence of the wealthy elite.
Le roman décrit la décadence de l'élite riche.
C1 noun, adjective /ˈlæksətɪv/

laxative

laxatif
Meaning
A medicine or substance that stimulates bowel movements; tending to loosen or relieve constipation.
Example
The doctor prescribed a mild laxative for her condition.
Le médecin a prescrit un laxatif léger pour son état.
C1 noun /ˈtem.pɪst/

Tempest

tempête
Meaning
a violent storm with strong winds; a state of great disturbance or tumult
Example
The sailors struggled to navigate through the fierce tempest.
Les marins ont lutté pour naviguer à travers la tempête furieuse.
C1 adjective /kəˈθɑːr.tɪk/

cathartic

cathartique
Meaning
Providing psychological relief through the open expression of strong emotions.
Example
Writing about emotions can be a cathartic experience.
Écrire sur les émotions peut être une expérience cathartique.
C1 verb /ˈsaɪdˌtræk/

sidetrack

détourner
Meaning
To distract from the main subject or activity.
Example
She was sidetracked by an unexpected phone call.
Elle a été détournée par un appel téléphonique inattendu.
C1 noun /ˈpæl.ət/

Palate

palais; capacité à distinguer les saveurs
Meaning
the roof of the mouth; a person's ability to distinguish between different flavors
Example
The chef created dishes to please every palate.
Le chef a créé des plats pour satisfaire tous les palais.
C1 noun /ˌkɒŋɡrɪˈɡeɪʃən/

congregation

congrégation
Meaning
a group of people assembled for religious worship or a common purpose
Example
The congregation gathered to hear the sermon.
La congrégation s'est réunie pour écouter le sermon.
C1 noun /noʊˈteɪʃən/

notation

notation
Meaning
A system of symbols or signs used to represent information, especially in mathematics or music.
Example
The teacher explained the notation used in the algebra equations.
Le professeur a expliqué la notation utilisée dans les équations algébriques.
C1 noun /ɪnˈtruː.ʒən/

intrusion

intrusion non autorisée
Meaning
Unauthorized entry into a system or place without permission
Example
The company detected an intrusion in its server.
L'entreprise a détecté une intrusion dans son serveur.
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 verb /ˈkɒnskrɪpt/

conscript

forcé quelqu'un à rejoindre l'armée
Meaning
to force someone into military service
Example
The government conscripted young men during the war.
Le gouvernement a conscrit des jeunes hommes pendant la guerre.
C1 noun /moʊˈtiːf/

motif

motif
Meaning
A recurring theme, subject, or idea in a work of art or literature.
Example
The motif of love is central to the novel.
Le motif de l'amour est central dans le roman.
C1 adjective /ʌnˈskeɪðd/

unscathed

sain et sauf
Meaning
Without suffering any injury, damage, or harm.
Example
She escaped from the accident unscathed.
Elle a échappé à l'accident saine et sauve.
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 ɪnˌten.sɪ.fɪˈkeɪ.ʃən

intensification

intensification
Meaning
The process of becoming or making something more intense or extreme.
Example
The intensification of climate change requires urgent action.
L'intensification du changement climatique nécessite une action urgente.
C1 noun /dɪˈfɪʃ.ən.si/

Deficiency

déficience; manque; insuffisance
Meaning
a lack or shortage of something; inadequacy or insufficiency
Example
The doctor diagnosed a vitamin D deficiency in the patient's blood test.
Le médecin a diagnostiqué une carence en vitamine D lors du test sanguin du patient.
C1 noun /ˈdæn.drʌf/

Dandruff

pellicules
Meaning
small white or grey flakes of dead skin that form on the scalp and fall from the hair
Example
He used a special shampoo to treat his persistent dandruff problem.
Il a utilisé un shampooing spécial pour traiter son problème persistant de pellicules.
C1 noun /vɪˈvæsɪti/

vivacity

vivacité
Meaning
The quality of being lively, animated, and full of energy.
Example
The child’s vivacity brightened the entire room.
La vivacité de l'enfant a éclairé toute la pièce.
C1 noun /ˈkwɒn.dər.i/

Quandary

dilemme; hésitation
Meaning
a difficult situation where you cannot decide what to do; dilemma
Example
She was in a quandary about which job offer to accept.
Elle était dans un dilemme sur quelle offre d'emploi accepter.
C1 verb /dɛlv/

delve

approfondir
Meaning
To investigate deeply; to dig into a subject or area.
Example
The researcher delved into ancient manuscripts to find clues.
Le chercheur a approfondi les manuscrits anciens pour trouver des indices.
C1 noun /bəˈnæn.zə/

Bonanza

une situation ou un événement qui entraîne une augmentation soudaine de la richesse, de la chance ou des bénéfices
Meaning
a situation or event that creates a sudden increase in wealth, good fortune, or profits
Example
The oil discovery was a bonanza for the small country.
La découverte de pétrole a été une bonanza pour le petit pays.
C1 adjective /ˌɒbsəˈliːt/

obsolete

obsolète
Meaning
No longer in use or out of date.
Example
Floppy disks are now completely obsolete.
Les disquettes sont maintenant complètement obsolètes.
C1 adjective /ˈstæɡ.nənt/

Stagnant

stagnant; immobile; sans développement
Meaning
not moving or flowing; showing no activity or development
Example
The stagnant water in the pond was covered with algae.
L'eau stagnante dans l'étang était recouverte d'algues.
C1 verb /rɪˈbjuːk/

rebuke

réprimander
Meaning
to criticize or scold sharply; to express disapproval
Example
The teacher had to rebuke the student for cheating.
L'enseignant a dû réprimander l'élève pour avoir triché.
C1 verb /ʃraʊd/

shroud

envelopper
Meaning
to cover or hide; to wrap in cloth
Example
The mountain peak was shrouded in mist.
Le sommet de la montagne était enveloppé de brume.
C1 adjective /ˌʌnˈpɑr.də.nə.bəl/

Unpardonable

impardonnable
Meaning
too bad to be forgiven; inexcusable
Example
His betrayal of trust was an unpardonable offense.
Sa trahison était un délit impardonnable.
C1 noun /blɜːrb/

blurb

description promotionnelle
Meaning
a short promotional description of a book, product, or service
Example
The back cover had a blurb praising the novel.
Le dos de couverture avait une description promotionnelle louant le roman.
C1 noun /ˈmɑː.kɪt ˌpen.ɪˈtreɪ.ʃən/

Market Penetration

pénétration du marché
Meaning
A measure of the amount of sales or adoption of a product or service compared to the total theoretical market for that product or service.
Example
High market penetration ensures competitive dominance.
Une forte pénétration du marché assure la domination concurrentielle.
C1 adjective /ˌɪnədˈvɜːrtənt/

inadvertent

involontaire, non intentionnel
Meaning
Not resulting from or achieved through deliberate planning; unintentional.
Example
Her inadvertent mistake caused a delay in the project.
Son erreur involontaire a causé un retard dans le projet.
C1 noun /ˈtɛnər/

tenor

ténor / ton général
Meaning
the general meaning, drift, or character of something; a male singing voice between baritone and alto
Example
The overall tenor of his speech was hopeful and reassuring.
Le ton général de son discours était plein d'espoir et rassurant.