degradation
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C1 noun ˌdɛɡrəˈdeɪʃən

degradation

dégradation
Meaning
The condition or process of degrading or being degraded.
Example
Soil degradation due to overuse is a growing issue.
La dégradation des sols due à une utilisation excessive est un problème croissant.
C1 noun /ˈdrɪz.əl/

Drizzle

bruine
Meaning
light rain falling in very fine drops; a very light rainfall
Example
The gentle drizzle continued throughout the morning, making everything misty.
La douce bruine a continué tout au long de la matinée, rendant tout brumeux.
C1 adjective /ˈdjuːbiəs/

dubious

douteux
Meaning
Hesitating or doubting; not to be relied upon.
Example
She gave him a dubious look after hearing his excuse.
Elle lui a lancé un regard douteux après avoir entendu son excuse.
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 noun /ˈdɛsɪˌbɛl/

decibel

décibel
Meaning
a unit used to measure the intensity of sound
Example
The noise level in the factory exceeded 90 decibels.
Le niveau de bruit dans l'usine a dépassé 90 décibels.
C1 adjective draʊt rɪˈzɪs.tənt

drought-resistant

résistant à la sécheresse
Meaning
Able to survive and grow despite limited water availability or drought conditions.
Example
Drought-resistant crops can survive in arid conditions.
Les cultures résistantes à la sécheresse peuvent survivre dans des conditions arides.
C1 verb /ˈdɪs.ɪ.peɪt/

dissipate

disparaître progressivement
Meaning
To disappear or cause to disappear gradually.
Example
The tension in the room slowly dissipated.
La tension dans la pièce a lentement disparu.
C1 noun ˈdɪk.ʃən

diction

prononciation et choix des mots
Meaning
The style of pronunciation and word choice in speaking or writing.
Example
A strong diction enhances communication skills.
Une forte diction améliore les compétences en communication.
C1 adjective /ˈdɔːr.mənt/

Dormant

inactif; dormant; temporairement suspendu; pas actuellement actif
Meaning
inactive; sleeping; temporarily suspended; not currently active
Example
The volcano has been dormant for over a century.
Le volcan est inactif depuis plus d'un siècle.
C1 adjective /dɪsˈpæʃənət/

dispassionate

impartial
Meaning
not influenced by strong emotion; impartial
Example
The judge remained dispassionate throughout the trial.
Le juge est resté impartial pendant tout le procès.
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 adjective /dɪˈklærətɪv/

declarative

déclaratif
Meaning
relating to a statement that declares something; in grammar, a sentence that makes a statement
Example
A declarative sentence simply states a fact or opinion.
Une phrase déclarative énonce simplement un fait ou une opinion.
C1 noun /ˈdæmpər/

damper

quelque chose qui réduit ou diminue la force, l'effet ou l'excitation
Meaning
something that reduces or lessens the force, effect, or excitement
Example
The cancellation of the trip put a damper on their enthusiasm.
L'annulation du voyage a réduit leur enthousiasme.
C1 noun /dɪˈfɛkʃən/

defection

défection
Meaning
The act of abandoning one’s country, cause, or group in favor of another.
Example
The politician’s defection shocked his supporters.
La défection du politicien a choqué ses partisans.
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 verb dɪˈsɜːn

discern

distinguer
Meaning
To perceive or recognize something; to distinguish with difficulty by sight or with the other senses.
Example
He could barely discern the distant figure in the fog.
Il a à peine pu distinguer la silhouette lointaine dans le brouillard.
C1 noun ˌdɛməˈɡræfɪk trænˈzɪʃən

demographic transition

transition démographique
Meaning
A shift in population patterns from high birth and death rates to low birth and death rates as a country develops economically
Example
The demographic transition indicates a shift towards an aging society.
La transition démographique indique un changement vers une société vieillissante.
C1 noun /ˌdaɪəˈrɑːmə/

diorama

diorama
Meaning
a three-dimensional model representing a scene, often with miniature figures
Example
The museum displayed a diorama of an ancient village.
Le musée a exposé un diorama d'un village ancien.
C1 noun /dɪˈmiːnər/

demeanor

comportement
Meaning
a person's outward behavior or appearance
Example
Her calm demeanor impressed everyone at the meeting.
Son comportement calme a impressionné tout le monde lors de la réunion.
C1 adjective /dɪˈreɪndʒd/

deranged

fou
Meaning
mentally disturbed or insane; behaving irrationally
Example
The deranged man shouted nonsense in the street.
L'homme fou a crié des absurdités dans la rue.
C1 adjective /ˈdæʃ.ɪŋ/

Dashing

élégant; attrayant; audacieux;
Meaning
stylish and confident; lively and energetic; attractive and charming
Example
He looked dashing in his new suit.
Il avait l'air élégant dans son nouveau costume.
C1 noun /dɪˈkriː/

Decree

décret
Meaning
an official order issued by a legal authority; a judicial decision or edict
Example
The king issued a decree that all citizens must pay additional taxes.
Le roi a émis un décret stipulant que tous les citoyens doivent payer des taxes supplémentaires.
C1 noun/verb /dɪsˈkwaɪət/

disquiet

inquiétude
Meaning
A feeling of worry or unease; to make someone feel anxious or uneasy.
Example
The strange silence filled the room with disquiet.
Le silence étrange a rempli la pièce d'inquiétude.
C1 noun /ˈdaɪhɑːrd/

diehard

fanatique
Meaning
A person who strongly resists change and remains loyal to a belief or cause.
Example
He is a diehard fan of classic rock music.
Il est un fanatique inconditionnel du rock classique.
C1 noun, verb /dɪsˈɑːnər/

dishonor

déshonneur
Meaning
a state of shame or loss of respect; to bring shame upon someone or something
Example
The soldier felt he had brought dishonor to his family.
Le soldat a senti qu'il avait apporté le déshonneur à sa famille.
C1 adjective /dɪˈsɪd.ju.əs/

deciduous

décidu
Meaning
Referring to trees that shed their leaves seasonally, typically in autumn.
Example
Oak and maple trees are deciduous, shedding leaves in autumn.
Les chênes et les érables sont des arbres décidues, perdant leurs feuilles en automne.
C1 noun dɪˈsʌɪsɪvnɪs

decisiveness

capacité de décision
Meaning
The ability to make decisions quickly and effectively.
Example
His decisiveness during the crisis saved the company.
Sa capacité à prendre des décisions pendant la crise a sauvé l'entreprise.
C1 verb /dɪˈtɛst/

detest

détester
Meaning
To dislike intensely or hate.
Example
I detest waking up early on weekends.
Je déteste me lever tôt le week-end.
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 noun /ˈdɔːrˌkiːpər/

doorkeeper

portier
Meaning
A person whose job is to guard or manage the entrance of a building or room.
Example
The doorkeeper checked everyone’s passes before they entered the hall.
Le doorkeeper a vérifié les passes de tous avant qu'ils n'entrent dans la salle.
C1 adjective /dɪˈlɪriəs/

delirious

délirant
Meaning
in an extremely disturbed or excited state of mind, often due to illness or emotion
Example
He was delirious with fever and kept muttering nonsense.
Il était délirant de fièvre et murmurait des absurdités.
C1 noun /dɪˈprɛsənt/

depressant

dépresseur
Meaning
A drug that reduces functional or nervous activity in the body.
Example
Alcohol acts as a depressant on the central nervous system.
L'alcool agit comme un dépresseur sur le système nerveux central.
C1 verb /dɪsˈsætɪsfaɪ/

dissatisfy

décevoir
Meaning
to fail to please or meet expectations; to make someone unhappy
Example
The poor service dissatisfies many customers.
Le mauvais service déçoit de nombreux clients.
C1 noun dɪˈspær.ə.ti

disparity

disparité
Meaning
A great difference or inequality.
Example
Disparity between countries must be reduced.
La disparité entre les pays doit être réduite.
C1 verb /dɪˈkraɪ/

decry

dénoncer
Meaning
to publicly criticize or express strong disapproval of something
Example
Many activists decry the destruction of the rainforest.
De nombreux activistes dénoncent la destruction de la forêt tropicale.
C1 adjective /dɪˈʃɛvəld/

disheveled

désordonné
Meaning
Untidy, messy, or in disorder, especially of hair or clothing.
Example
He arrived with disheveled hair and wrinkled clothes.
Il est arrivé avec des cheveux désordonnés et des vêtements froissés.
C1 verb /dɪˈsɛləˌreɪt/

decelerate

ralentir
Meaning
to reduce speed; to slow down
Example
The car began to decelerate as it approached the traffic light.
La voiture a commencé à ralentir à l'approche du feu de circulation.
C1 noun ˌdaɪvɜːsɪfɪˈkeɪʃən

diversification

diversification
Meaning
The practice of spreading investments across various assets or sectors to reduce risk.
Example
Diversification helps to reduce investment risk.
La diversification aide à réduire le risque d'investissement.
C1 adjective /dɪˈmɒnstrəbl/

demonstrable

démontrable
Meaning
clearly able to be shown or proven
Example
There was demonstrable evidence that he was innocent.
Il y avait des preuves démontrables qu'il était innocent.
C1 noun ˈdaɪ.nə.sti

dynasty

dynastie
Meaning
A line of hereditary rulers of a country; a succession of people from the same family who play a prominent role in business, politics, or another field.
Example
The Ming dynasty ruled China for centuries.
La dynastie Ming a régné sur la Chine pendant des siècles.
C1 verb /dɪsˈpærɪdʒ/

disparage

dénigrer
Meaning
to criticize someone or something in a way that shows a lack of respect
Example
It is unfair to disparage people for their opinions.
Il est injuste de dénigrer les gens pour leurs opinions.
C1 noun ˌdɪs.æmˌbɪɡ.juˈeɪ.ʃən

disambiguation

désambiguïsation
Meaning
The removal of ambiguity by making something clear and unambiguous.
Example
The AI system applies disambiguation to refine text understanding.
Le système IA applique la disambiguation pour affiner la compréhension du texte.
C1 adjective /dɪˈsperɪŋ/

Despairing

désespérant
Meaning
feeling hopeless; in despair
Example
She felt despairing after losing her job.
Elle se sentait désespérée après avoir perdu son travail.
C1 noun daɪˈkɒtəmi

dichotomy

dichotomie
Meaning
A division or contrast between two things that are or are represented as being opposed or entirely different.
Example
The dichotomy between tradition and modernity is often debated.
La dichotomie entre la tradition et la modernité est souvent débattue.
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 /dɪˈspɜːrs/

disperse

disperser
Meaning
To scatter or spread widely in different directions.
Example
The police used tear gas to disperse the crowd.
La police a utilisé du gaz lacrymogène pour disperser la foule.
C1 adjective /dɪˈlæpɪˌdeɪtɪd/

dilapidated

délabré
Meaning
Fallen into disrepair or ruin due to neglect or age.
Example
The family lived in a dilapidated house at the edge of town.
La famille vivait dans une maison délabrée au bord de la ville.
C1 verb/adjective /dɪˈdʒɛnəreɪt/

degenerate

dégénérer
Meaning
To decline or deteriorate in quality, character, or condition; or someone with low moral standards.
Example
The once thriving empire began to degenerate into chaos.
L'empire autrefois prospère a commencé à dégénérer en chaos.
C1 adjective /dɪsˈkɔːrdənt/

discordant

discordant
Meaning
disagreeing or clashing; harsh and jarring in sound
Example
The discordant notes of the band hurt our ears.
Les notes discordantes du groupe ont blessé nos oreilles.
C1 noun /dɪˌsem.ɪˈneɪ.ʃən/

dissemination

diffusion
Meaning
The action or fact of spreading something, especially information, widely.
Example
The dissemination of false information is a major issue.
La diffusion de fausses informations est un problème majeur.
C1 noun /ˌdɪsbɪˈliːvər/

disbeliever

incrédule
Meaning
a person who does not believe in something, especially a religion or idea
Example
He was called a disbeliever for rejecting the traditional faith.
Il a été appelé incrédule pour avoir rejeté la foi traditionnelle.
C1 noun /ˈdɑːrwɪnɪzəm/

darwinism

darwinisme
Meaning
the theory of biological evolution developed by Charles Darwin, emphasizing natural selection
Example
Darwinism revolutionized the way scientists understood the origin of species.
Le darwinisme a révolutionné la façon dont les scientifiques comprenaient l'origine des espèces.
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 noun dəˌmɛstɪˈkeɪʃən

domestication

domestication
Meaning
The process of taming an animal and keeping it as a pet or for farm produce.
Example
Domestication of animals has been crucial for human survival.
La domestication des animaux a été cruciale pour la survie humaine.
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 noun /dɜːrθ/

dearth

pénurie
Meaning
A scarcity or lack of something.
Example
There was a dearth of food during the famine.
Il y avait une pénurie de nourriture pendant la famine.
C1 noun /ˈdɛljuːdʒ/

deluge

inondation
Meaning
A severe flood; an overwhelming quantity of something.
Example
The town was hit by a deluge of rain in just a few hours.
La ville a été frappée par un déluge de pluie en quelques heures seulement.
C1 verb /dɪˈflɛkt/

deflect

détourner / éviter
Meaning
to cause something to change direction; to avoid answering directly
Example
The shield deflected the incoming arrow.
Le bouclier a dévié la flèche entrante.
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 noun /deɪˈtɑːnt/

detente

détente
Meaning
the easing of hostility or strained relations, especially between countries
Example
The two nations worked toward detente after decades of conflict.
Les deux nations ont travaillé vers la détente après des décennies de conflit.
C1 noun /ˈdrʌdʒəri/

drudgery

travail pénible et monotone
Meaning
Hard, menial, or dull work.
Example
She wanted to escape the drudgery of her daily routine.
Elle voulait échapper à la routine monotone de sa journée.
C1 noun /dɪˈstɔːrʃən/

distortion

distorsion, déformation
Meaning
the action of twisting, changing, or misrepresenting the shape, sound, or truth of something
Example
There was a distortion in the radio signal.
Il y avait une distorsion dans le signal radio.
C1 verb /ˌdiːˈbʌŋk/

debunk

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

dangle

pendre
Meaning
to hang loosely or swing freely
Example
The keys dangled from his belt.
Les clés pendaient de sa ceinture.
C1 noun /ˌdez.ɪɡˈneɪ.ʃən/

Designation

désignation; titre; poste; statut officiel
Meaning
the action of choosing someone for a position; a name, title, or official status
Example
His designation as team leader came with additional responsibilities and authority.
Sa désignation en tant que leader d'équipe s'accompagnait de responsabilités supplémentaires et d'autorité.
C1 noun /ˈdɪs.ə.nəns/

dissonance

dissonance
Meaning
Disagreement, lack of harmony, conflict between ideas or beliefs.
Example
The cultural dissonance created misunderstandings.
La dissonance culturelle a créé des malentendus.
C1 verb /doʊt/

dote

gâter
Meaning
to show excessive love or fondness for someone or something
Example
She tends to dote on her grandchildren.
Elle a tendance à gâter ses petits-enfants.
C1 verb /dɪsˈbænd/

disband

dissoudre
Meaning
to break up and stop functioning as a group or organization
Example
The club decided to disband after twenty years of activity.
Le club a décidé de se dissoudre après vingt ans d'activité.
C1 adjective /dɪˈspɒndənt/

despondent

désespéré
Meaning
feeling or showing deep hopelessness or discouragement
Example
She felt despondent after losing her job.
Elle s'est sentie désespérée après avoir perdu son travail.
C1 noun /dɪˈmiːnər/

demeanour

comportement
Meaning
a person's outward behavior or appearance
Example
Her calm demeanour impressed everyone during the meeting.
Son comportement calme a impressionné tout le monde lors de la réunion.
C1 verb /druːp/

droop

pencher
Meaning
to bend or hang downward; to become weak or tired
Example
The flowers began to droop in the heat.
Les fleurs ont commencé à se pencher sous la chaleur.
C1 noun delˈteɪɪk ˈlændskeɪp

deltaic landscape

paysage deltaïque
Meaning
A geographical area formed by sediment deposits at the mouth of a river, creating a triangular land formation.
Example
Bangladesh has a unique deltaic landscape.
Le Bangladesh possède un paysage deltaïque unique.
C1 adjective /ˌdɪfəˈrɛnʃəl/

differential

différentiel
Meaning
Relating to or showing a difference; involving a distinction.
Example
There is a differential treatment between the two groups.
Il existe un traitement différentiel entre les deux groupes.
C1 noun/adjective /dɪˈtɜː.rənt/

deterrent

élément dissuasif
Meaning
A thing that discourages or is intended to discourage someone from doing something.
Example
A strict law serves as a deterrent to crime.
Une loi stricte sert d'élément dissuasif contre le crime.
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 /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 noun /dɪsˈlɛksiə/

dyslexia

dyslexie
Meaning
A learning disorder characterized by difficulty reading due to problems identifying speech sounds and decoding words.
Example
The teacher used special methods to help the student with dyslexia.
L'enseignant a utilisé des méthodes spéciales pour aider l'élève atteint de dyslexie.
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 adjective dɪ ˈskrɛʃ.ən.er.i

discretionary

discrétionnaire
Meaning
Available for use at the discretion of the user; not required or mandatory.
Example
He set aside some discretionary income for travel.
Il a mis de côté un revenu discrétionnaire pour voyager.
C1 noun ˈdɪl.ɪ.dʒəns

diligence

diligence
Meaning
Careful and persistent work or effort.
Example
Success requires patience and diligence.
Le succès nécessite de la patience et de la diligence.
C1 verb /dɪˈsɛkt/

dissect

disséquer
Meaning
to cut apart an animal, plant, or other organism to study its internal parts; to analyze something in detail
Example
In biology class, students had to dissect a frog to learn about its anatomy.
En cours de biologie, les étudiants ont dû disséquer une grenouille pour apprendre son anatomie.
C1 verb /ˈdɛsɪmeɪt/

decimate

détruire
Meaning
To destroy or kill a large proportion of something.
Example
The wildfire decimated the forest.
L'incendie a ravagé la forêt.
C1 noun /ˌdɛməˈlɪʃən/

demolition

démolition
Meaning
the act or process of destroying a building or structure
Example
The demolition of the old factory took several weeks.
La démolition de l'ancienne usine a pris plusieurs semaines.
C1 adjective /dɪˈskrɪmɪˌneɪtɪŋ/

discriminating

discriminant
Meaning
Having refined taste or good judgment; able to recognize subtle differences.
Example
She is known for her discriminating taste in art.
Elle est connue pour son goût discriminant en art.
C1 noun /dɪˌnɒmɪˈneɪʃən/

denomination

dénomination, valeur
Meaning
a recognized autonomous branch of the Christian Church; a unit of value or currency
Example
The church belongs to a Protestant denomination.
L'église appartient à une dénomination protestante.
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 adjective /ˈdwɪndlɪŋ/

dwindling

diminution
Meaning
Gradually reducing in number, size, or strength.
Example
The villagers relied on dwindling water supplies.
Les villageois dépendaient des réserves d'eau en diminution.
C1 adjective /daɪər/

Dire

grave; urgent; terrible
Meaning
extremely serious; urgent; terrible
Example
The country is facing a dire economic crisis.
Le pays fait face à une grave crise économique.
C1 noun /ˌdɛfəˈmeɪʃən/

defamation

diffamation
Meaning
the act of damaging someone's reputation by making false statements
Example
The newspaper was sued for defamation of character.
Le journal a été poursuivi pour diffamation.
C1 verb /dɪˈnəʊt/

denote

dénoter
Meaning
To be a sign of; to indicate or mean something.
Example
A red flag denotes danger.
Un drapeau rouge dénote un danger.
C1 noun /dɪˈfɔː.mə.ti/

Deformity

déformation; malformation physique
Meaning
a distorted or unnatural shape or form; physical malformation
Example
The accident caused a permanent deformity in his left hand.
L'accident a causé une déformation permanente dans sa main gauche.
C1 verb /dɪˈbɑːr/

debar

interdire
Meaning
To officially prevent someone from doing something.
Example
He was debarred from entering the competition due to cheating.
Il a été interdit d'entrer dans la compétition en raison de la triche.
C1 noun /ˈdeɪ.li.ə/

Dahlia

dahlia
Meaning
a garden plant with brightly colored flowers that bloom in summer and autumn
Example
She planted colorful dahlias in her garden last summer.
Elle a planté des dahlias colorés dans son jardin l'été dernier.
C1 adjective /ˌdaɪəˈbɒlɪkəl/

diabolical

diabolique
Meaning
Wicked, cruel, or outrageously bad; resembling the devil.
Example
The dictator’s diabolical rule brought misery to the nation.
Le régime diabolique du dictateur a apporté la misère à la nation.
C1 noun /doʊ/

doe

biche
Meaning
a female deer, especially an adult one
Example
The doe and her fawn were grazing in the meadow.
La biche et son faon paissaient dans la prairie.
C1 noun /ˌdep.rɪˈveɪ.ʃən/

deprivation

privation, pénurie, manque
Meaning
The damaging lack of material benefits considered to be basic necessities in a society.
Example
Sleep deprivation affects cognitive function.
La privation de sommeil affecte la fonction cognitive.
C1 noun /ˌdɪs.ɪˈluː.ʒən.mənt/

disillusionment

désillusion
Meaning
A feeling of disappointment resulting from the discovery that something is not as good as one believed it to be.
Example
Many people experience disillusionment after unrealistic expectations.
Beaucoup de gens ressentent de la désillusion après des attentes irréalistes.
C1 noun /djuːˈɛt/

duet

duo
Meaning
a musical performance by two singers or instrumentalists
Example
They sang a beautiful duet together on stage.
Ils ont chanté un magnifique duo ensemble sur scène.
C1 verb /dɪsˈɡrʌntl/

disgruntle

mécontenter
Meaning
to make someone dissatisfied or discontented
Example
The unfair treatment disgruntled the workers.
Le traitement injuste a mécontenté les travailleurs.
C1 verb /daɪˈvʌldʒ/

divulge

divulguer
Meaning
to make known something private, secret, or previously unknown
Example
She refused to divulge the source of her information.
Elle a refusé de divulguer la source de ses informations.
C1 noun /djʊˈrɛs/

duress

contrainte
Meaning
threats, violence, or pressure used to force someone to do something
Example
She signed the contract under duress.
Elle a signé le contrat sous la contrainte.
C1 noun /ˌdɜːrməˈtɑːlədʒɪst/

dermatologist

dermatologue
Meaning
A doctor who specializes in the treatment of skin diseases.
Example
She consulted a dermatologist for her skin allergy.
Elle a consulté un dermatologue pour son allergie à la peau.
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 noun /dɪˈfen.dənt/

Defendant

défendeur
Meaning
an individual, company, or institution sued or accused in a court of law
Example
The defendant pleaded not guilty to all charges brought against him.
Le défendeur a plaidé non coupable de toutes les accusations portées contre lui.
C1 noun /diːˌtɒksɪfɪˈkeɪʃən/

detoxification

détoxification
Meaning
The process of removing toxic substances from a living organism.
Example
Detoxification helps to cleanse the body of harmful substances.
La détoxification aide à nettoyer le corps des substances nuisibles.
C1 adjective /ˈdesələt/

Desolate

désert; solitaire; stérile
Meaning
deserted; lonely; barren
Example
The abandoned village looked desolate and empty.
Le village abandonné avait l'air désert et vide.
C1 verb /dɪˈtrækt/

detract

diminuer
Meaning
To reduce or take away the worth or value of something.
Example
His rude behavior will detract from his good reputation.
Son comportement impoli diminuera la valeur de sa bonne réputation.
C1 verb /ˌdɪsəˈsɛmbəl/

disassemble

démonter
Meaning
To take apart something into its separate pieces.
Example
He had to disassemble the computer to repair it.
Il a dû démonter l'ordinateur pour le réparer.
C1 adjective /dɪˈfaɪənt/

Defiant

défiant; rebelle
Meaning
boldly resistant or challenging; disobedient
Example
The defiant student refused to follow the rules.
L'étudiant défiant a refusé de suivre les règles.
C1 adverb /ˈduːli/

Duly

correctement, ponctuellement
Meaning
in accordance with what is required or appropriate; at the proper time
Example
The documents were duly signed and submitted.
Les documents ont été dûment signés et soumis.
C1 noun /ˌdiːpɔːrˈteɪʃən/

deportation

déportation
Meaning
The act of expelling a foreigner from a country.
Example
The deportation of hundreds of workers sparked international criticism.
La déportation de centaines de travailleurs a suscité des critiques internationales.
C1 adjective /dɪˈskriːt/

discrete

discret
Meaning
individually separate and distinct
Example
The course is divided into three discrete modules.
Le cours est divisé en trois modules discrets.
C1 noun ˌdɪm.ɪˈnjuː.ʃən

diminution

réduction
Meaning
A reduction in the size, extent, or importance of something; decrease.
Example
There has been a diminution in air pollution.
Il y a eu une diminution de la pollution de l'air.
C1 noun /ˈdɪŋɡi/

dinghy

canot
Meaning
a small boat, often carried or towed by a larger vessel, used for short trips or as a lifeboat
Example
They rowed the dinghy back to the yacht.
Ils ont ramé le canot jusqu'au yacht.
C1 noun dɪˈdʒɛnəˌreɪtɪv dɪˈzizɪz

degenerative diseases

maladies dégénératives
Meaning
Medical conditions that involve the deterioration or progressive decline of tissues, organs, or functions
Example
Degenerative diseases are common in an aging population.
Les maladies dégénératives sont courantes dans une population vieillissante.
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 verb /dɪˈfrɔːd/

defraud

frauder
Meaning
to illegally take money or valuables from someone by deception
Example
The company was accused of trying to defraud investors.
L'entreprise a été accusée d'avoir tenté de frauder les investisseurs.
C1 adjective /dɪsˈkwaɪətɪŋ/

disquieting

inquiétant
Meaning
Causing worry, unease, or anxiety.
Example
The news report was deeply disquieting to the public.
Le rapport de nouvelles était profondément inquiétant pour le public.
C1 adjective /dɪˈfɛnsəbəl/

defensible

défendable / justifiable
Meaning
Capable of being protected against attack or criticism; justifiable.
Example
Her decision was legally defensible.
Sa décision était légalement défendable.
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 noun /ˈdɛməɡɒɡ/

demagogue

leader démagogue
Meaning
A political leader who seeks support by appealing to popular desires and prejudices rather than by using rational argument.
Example
The crowd was swayed by the fiery speeches of the demagogue.
La foule a été influencée par les discours enflammés du leader démagogue.