divulge
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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 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 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 noun /ˈdɪsənˌtɛri/

dysentery

maladie intestinale (diarrhée avec sang et mucus)
Meaning
An infection of the intestines resulting in severe diarrhea with blood and mucus.
Example
Many soldiers suffered from dysentery during the war.
Beaucoup de soldats ont souffert de dysenterie pendant la guerre.
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 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 ˈdɛf.ər.əns

deference

déférence
Meaning
Humble submission and respect.
Example
He showed deference to his elderly mentor.
Il a montré de la déférence envers son mentor âgé.
C1 noun /ˈdaɪnəˌmoʊ/

dynamo

machine qui génère de l'électricité; une personne avec une grande énergie et enthousiasme
Meaning
A machine that generates electricity; a person with great energy and enthusiasm.
Example
She is the real dynamo behind the success of the company.
Elle est la véritable dynamo derrière le succès de l'entreprise.
C1 verb /dɪˈsɛnt/

dissent

désapprouver
Meaning
To hold or express opinions that are different from those officially accepted.
Example
Several members dissented from the majority decision.
Plusieurs membres ont exprimé un désaccord avec la décision majoritaire.
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 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 /dɪsˈɪntrəstɪd/

disinterested

désintéressé
Meaning
not influenced by personal interest; impartial or neutral
Example
The judge remained disinterested in the case.
Le juge est resté désintéressé dans l'affaire.
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 verb /diːˈkoʊd/

decode

décoder
Meaning
to convert a coded message into a readable form; to interpret meaning
Example
The software can decode the hidden message within seconds.
Le logiciel peut décoder le message caché en quelques secondes.
C1 verb /dɪsˈɑːrm/

disarm

désarmer
Meaning
to take weapons away from someone; to make someone feel less hostile
Example
The soldiers were ordered to disarm the rebels.
Les soldats ont été ordonnés de désarmer les rebelles.
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 /dɪsˈmæntəl/

dismantle

démanteler
Meaning
to take apart; to remove or destroy the parts of
Example
Workers will dismantle the old bridge next month.
Les travailleurs démantèleront le vieux pont le mois prochain.
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 /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 noun /ˌdev.əˈtiː/

Devotee

dévote; adepte
Meaning
a person who is very interested in and enthusiastic about someone or something
Example
As a devotee of classical music, she attended every concert in the city.
En tant que dévote de la musique classique, elle assistait à chaque concert de la ville.
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/verb /dɛnt/

dent

bosse
Meaning
a small hollow mark on the surface of something; to make a small hollow mark
Example
The accident left a dent in the car door.
L'accident a laissé une bosse dans la porte de la voiture.
C1 adjective /dɪˈmɛntɪd/

demented

dément / irrationnel
Meaning
behaving irrationally due to mental illness or extreme excitement
Example
He looked demented after hearing the shocking news.
Il avait l'air dément après avoir entendu la nouvelle choquante.
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 verb /dɪˈsɛm.ɪ.neɪt/

disseminate

diffuser
Meaning
To spread or give out something, especially news, information, ideas, etc., to a lot of people.
Example
Social media helps to disseminate information quickly.
Les réseaux sociaux aident à diffuser rapidement les informations.
C1 noun /ˌdiː.mɑːˈkeɪ.ʃən/

Demarcation

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

derelict

abandonné
Meaning
in poor condition due to neglect or disuse; a homeless or neglected person
Example
The old factory stood derelict for decades.
L'ancienne usine est restée abandonnée pendant des décennies.
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 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 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 verb /dɪsˈfɪɡjər/

disfigure

défigurer
Meaning
to spoil or damage the appearance of something
Example
The fire disfigured the old building.
Le feu a défiguré le vieux bâtiment.
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 dɪˌlɪb.əˈreɪ.ʃən

deliberation

délibération
Meaning
Long and careful consideration or discussion.
Example
The agreement was finalized after much deliberation.
L'accord a été finalisé après beaucoup de délibération.
C1 noun /ˌdɪs.əˈreɪ/

disarray

désordre
Meaning
A state of disorganization or untidiness; confusion or disorder.
Example
His desk was in complete disarray.
Son bureau était dans un désordre complet.
C1 verb /ˈdɛprɪˌkeɪt/

deprecate

déprécier
Meaning
to express disapproval of something
Example
The teacher deprecated the use of slang in academic essays.
Le professeur a déprécié l'utilisation de l'argot dans les essais académiques.
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 verb /dɪˈspɛns/

dispense

distribuer
Meaning
To distribute or provide something, especially in portions.
Example
The machine dispenses clean drinking water.
La machine distribue de l'eau potable propre.
C1 verb /ˌdiː.kəmˈprɛs/

decompress

décompresser
Meaning
To relax and recover from stress or pressure.
Example
Taking deep breaths helps to decompress after a stressful day.
Prendre de grandes respirations aide à se décompresser après une journée stressante.
C1 noun dɪˈpliː.ʃən

depletion

épuisement
Meaning
The gradual reduction or exhaustion of a resource or substance.
Example
Overuse of groundwater leads to depletion of water resources.
Une utilisation excessive de l'eau souterraine entraîne l'épuisement des ressources en eau.
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 verb /ˌdɪsˈmaʊnt/

dismount

descendre
Meaning
to get off or down from something, especially a horse, bicycle, or motorcycle
Example
The rider dismounted from the horse after a long journey.
Le cavalier est descendu du cheval après un long voyage.
C1 noun/verb /dɪsˈdeɪn/

disdain

mépris
Meaning
The feeling that someone or something is unworthy of respect; to regard with contempt.
Example
She looked at the messy room with open disdain.
Elle regarda la chambre en désordre avec du mépris.
C1 adjective /ˈdɒɡɪd/

dogged

obstiné
Meaning
showing stubborn determination and persistence
Example
She succeeded through dogged determination.
Elle a réussi grâce à sa détermination obstinée.
C1 noun /dɪˈsɜːn.mənt/

discernment

discernement
Meaning
The ability to judge well or understand something correctly; keen insight.
Example
His discernment in business decisions made him successful.
Son discernement dans les décisions commerciales l'a rendu réussi.
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 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 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 /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 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 /dɪˈkɔː.rəm/

Decorum

décorum; bienséance; dignité
Meaning
behavior in keeping with good taste and propriety; dignified and appropriate conduct
Example
The diplomat maintained perfect decorum throughout the heated negotiations.
Le diplomate a maintenu un décorum parfait tout au long des négociations animées.
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 /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 noun dɪˌtɪə.ri.əˈreɪ.ʃən

deterioration

détérioration
Meaning
The process of becoming progressively worse; decline in quality, condition, or strength.
Example
Poor maintenance leads to material deterioration.
Un mauvais entretien conduit à la détérioration du matériel.
C1 noun dɛkˈstɛr.ɪ.ti

dexterity

dextérité
Meaning
Skill in performing tasks, especially with the hands; mental skill or adroitness.
Example
His dexterity in playing the piano amazed the audience.
Sa dextérité à jouer du piano a étonné le public.
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 verb /dɪˈɡreɪd/

degrade

dégrader
Meaning
To lower in dignity, quality, or value; to treat with disrespect or to deteriorate.
Example
Harsh words can degrade a person's confidence.
Les mots durs peuvent dégrader la confiance d'une personne.
C1 adjective /dɪsˈdʒɔɪntɪd/

disjointed

désorganisé
Meaning
Lacking order, coherence, or connection; disconnected.
Example
The movie felt disjointed and hard to follow.
Le film semblait désorganisé et difficile à suivre.
C1 adjective /dɪˈsɜːrnəbl/

discernible

discernable
Meaning
able to be seen, recognized, or understood
Example
There was a discernible change in his behavior.
Il y a eu un changement discernable dans son comportement.
C1 verb /dɪsˈpruːv/

disprove

démontre que quelque chose est faux
Meaning
to show that something is false or wrong
Example
The scientist worked hard to disprove the old theory.
Le scientifique a travaillé dur pour prouver que la vieille théorie était fausse.
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 /ˈdestatəʊt/

Destitute

démuni; pauvre; sans argent ni biens
Meaning
extremely poor; without money or possessions
Example
Many families became destitute after the economic collapse.
De nombreuses familles sont devenues démunies après l'effondrement économique.
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 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 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 adjective /dræb/

drab

terne
Meaning
Dull, lacking brightness or interest; monotonous.
Example
The room looked drab with its gray walls and dim lighting.
La pièce semblait terne avec ses murs gris et son éclairage faible.
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 /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 noun /ˈdɛspɒt/

despot

despote
Meaning
a ruler with absolute power, often ruling in a cruel or oppressive way
Example
The despot ruled the nation with fear and violence.
Le despote a dirigé la nation avec la peur et la violence.
C1 noun /daɪˈvɜː.dʒəns/

divergence

divergence
Meaning
The process or state of diverging; a difference or deviation between two or more things.
Example
The divergence in their opinions led to a heated debate.
La divergence dans leurs opinions a conduit à un débat animé.
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 /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 /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 /ˌdiːˈmer.ɪt/

Demerit

fauté; inconvénient; marque pour une faute ou une infraction
Meaning
a fault or disadvantage; a mark given for a fault or offense
Example
The student received a demerit for arriving late to class repeatedly.
L'étudiant a reçu un démérite pour être arrivé en retard en classe à plusieurs reprises.
C1 noun /draɪ fɪʃ/

Dry fish

poisson séché
Meaning
fish that has been preserved by drying in the sun or by other dehydration methods
Example
Dry fish is a popular preserved food in many coastal regions.
Le poisson séché est un aliment conservé populaire dans de nombreuses régions côtières.
C1 verb /dɪsˈtrʌst/

distrust

se méfier
Meaning
to have no confidence or trust in someone or something
Example
Many people distrust politicians.
Beaucoup de gens se méfient des politiciens.
C1 verb /dɪˈteɪn/

detain

détenir
Meaning
to keep someone from proceeding; to hold back, especially by official authority
Example
The police detained the suspect for questioning.
La police a détenu le suspect pour l'interroger.
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 verb /ˌdɪskənˈsɜːrt/

disconcert

déconcerter
Meaning
To unsettle, confuse, or disturb the composure of someone.
Example
The sudden change of plans disconcerted the team.
Le changement soudain de plans a déconcerté l'équipe.
C1 verb /ˈdæmpən/

dampen

humecter, atténuer
Meaning
to make something slightly wet; to make something less strong, active, or intense
Example
The rain dampened the excitement of the outdoor concert.
La pluie dampenée l'excitation du concert en plein air.
C1 verb /daɪˈɡrɛs/

digress

s'écarter temporairement du sujet principal
Meaning
To leave the main subject temporarily in speech or writing.
Example
The professor began to digress from the main topic of the lecture.
Le professeur a commencé à digresser du sujet principal de la conférence.
C1 adjective daɪˈvɜː.dʒənt

divergent

divergent
Meaning
Tending to be different or develop in different directions
Example
Divergent policies create challenges in collaboration.
Les politiques divergentes créent des défis dans la collaboration.
C1 noun /drɑːft/ (UK), /dræft/ (US)

draught

courant d air
Meaning
a current of cool air in a room or another confined space; also a portion of liquid, especially beer, served from a barrel or cask
Example
She closed the window to keep out the cold draught.
Elle a referme la fenetre pour ne pas laisser entrer le courant d air froid.
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 /daɪˈvɜːrdʒ/

diverge

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

dissection

dissection
Meaning
the act of cutting apart or analyzing something in detail, especially a body or structure
Example
The dissection of the specimen revealed important details about its structure.
La dissection de l'échantillon a révélé des détails importants sur sa structure.
C1 noun /ˈdeɪtəm/ or /ˈdætəm/

datum

donnée
Meaning
a single piece of information; a fact used as a basis for reasoning or calculation
Example
Each datum in the survey was carefully analyzed.
Chaque donnée dans l'enquête a été soigneusement analysée.
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 /dɪˈskrep.ən.si/

discrepancy

discrépance, différence, divergence
Meaning
A lack of compatibility or similarity between two or more facts.
Example
The audit revealed a discrepancy between the reported earnings and actual income.
L'audit a révélé une discrépance entre les bénéfices déclarés et les revenus réels.
C1 verb /dɪˈmɔrəˌlaɪz/

demoralize

démoraliser
Meaning
to cause someone to lose confidence or hope
Example
The constant criticism demoralized the young athlete.
La critique constante a démoralisé le jeune athlète.
C1 noun /dɪˈten.ʃən/

Detention

détention; emprisonnement temporaire
Meaning
the action of detaining someone or being detained in official custody
Example
The student received detention for repeatedly disrupting the class.
L'étudiant a reçu une détention pour avoir perturbé la classe à plusieurs reprises.
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 verb /ˈdɛnɪˌɡreɪt/

denigrate

dénigrer
Meaning
to criticize unfairly; to belittle or disparage someone or something
Example
He was quick to denigrate the achievements of his colleagues.
Il était rapide à dénigrer les réalisations de ses collègues.
C1 adjective /dɪˈɡreɪdɪd/

degraded

dégradé
Meaning
Reduced in quality, dignity, or condition.
Example
The villagers were forced to live in degraded conditions.
Les villageois ont été forcés de vivre dans des conditions dégradées.
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 verb /dɪˈvɒlv/

devolve

déléguer
Meaning
To pass power, responsibility, or duties to another person or group.
Example
The responsibility will devolve on the new manager.
La responsabilité sera transférée au nouveau responsable.
C1 adjective /ˈdek.stər.əs/

dexterous

habile
Meaning
Showing or having skill, especially with the hands; mentally adroit and skillful.
Example
A dexterous programmer can write complex codes effortlessly.
Un programmeur habile peut écrire des codes complexes sans effort.
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 verb /dɪˈfjuːz/

diffuse

diffuser
Meaning
to spread over a wide area or among a large number of people
Example
The smell of fresh bread diffused through the entire house.
L'odeur du pain frais s'est diffusée dans toute la maison.
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 /dɪˈlɪriəm/

delirium

délire
Meaning
An acutely disturbed state of mind characterized by restlessness, illusions, and incoherence.
Example
The patient experienced delirium after the surgery due to the strong medication.
Le patient a éprouvé un délire après la chirurgie en raison des médicaments forts.
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 verb /dɪˈmiːn/

demean

dévaloriser
Meaning
to cause someone to lose dignity or respect
Example
The manager demeaned his employees with rude remarks.
Le gestionnaire a dévalorisé ses employés avec des remarques grossières.
C1 adjective /dɪˈsɜːrnɪŋ/

discerning

perspicace
Meaning
having good judgment or insight; able to distinguish well
Example
He is a discerning reader who notices subtle details.
C'est un lecteur perspicace qui remarque les détails subtils.
C1 noun/verb /ˈdiːkɔɪ/

decoy

appât
Meaning
something or someone used to lure or mislead
Example
The hunters used a wooden duck as a decoy.
Les chasseurs ont utilisé un canard en bois comme appât.
C1 noun /ˈdaʊri/

dowry

dot
Meaning
Property or money brought by a bride to her husband at marriage.
Example
The dowry tradition is still followed in some cultures.
La tradition du dot est encore suivie dans certaines cultures.
C1 verb /dɔːnt/

daunt

décourager
Meaning
to make someone feel intimidated, discouraged, or less confident
Example
The steep climb did not daunt the experienced hikers.
La montée abrupte n'a pas découragé les randonneurs expérimentés.
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 /ˌdɪsɪnˈdʒɛnjʊəs/

disingenuous

fallacieux
Meaning
not candid or sincere; giving a false appearance of honesty or openness
Example
She gave a disingenuous excuse for missing the meeting.
Elle a donné une excuse fallacieuse pour ne pas assister à la réunion.
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 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 verb /ˈdiːmɑːrˌkeɪt/

demarcate

délimiter
Meaning
to set the boundaries or limits of something
Example
The land was demarcated with fences to avoid disputes.
Le terrain a été délimité par des clôtures pour éviter les disputes.
C1 adjective /ˈdɒdʒi/

Dodgy

suspect; douteux; peu fiable; risqué ou dangereux
Meaning
suspicious; questionable; unreliable; risky or dangerous
Example
That deal sounds dodgy to me.
Cet accord me semble suspect.
C1 verb /dɪsˈkleɪm/

disclaim

démentir
Meaning
to deny responsibility or connection with something
Example
The company disclaimed responsibility for the accident.
L'entreprise a démenti toute responsabilité pour l'accident.
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 /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 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 /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 /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 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 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.