dynamo
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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 adjective /ˈdjuːtɪfəl/

Dutiful

dévoué; respectueux; obéissant
Meaning
conscientiously fulfilling one's duty; obedient; respectful
Example
She is a dutiful daughter who always helps her parents.
Elle est une fille dévouée qui aide toujours ses parents.
C1 noun /ˌdɪsəˈbiːdiəns/

disobedience

désobéissance
Meaning
failure or refusal to obey rules, laws, or authority
Example
The child's disobedience worried his parents.
La désobéissance de l'enfant inquiéta ses parents.
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 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 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 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 /dɪˈpɑːzətɔːri/

depository

dépôt, entrepôt
Meaning
a place where things are stored or deposited, especially financial assets
Example
The national depository safeguards all government bonds.
Le dépôt national protège tous les bons du gouvernement.
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 /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 /dɪˈraɪd/

deride

ridiculiser
Meaning
to mock or ridicule someone or something
Example
The critics derided the new movie for its poor script.
Les critiques ont ridiculisé le nouveau film pour son mauvais scénario.
C1 verb /dɪˈfeɪs/

deface

défigurer
Meaning
to spoil the surface or appearance of something, especially by writing or drawing on it
Example
The vandals defaced the wall with graffiti.
Les vandales ont défiguré le mur avec des graffitis.
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 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 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 /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 /ˌdɛrɪˈveɪʃən/

derivation

dérivation
Meaning
The origin or development of something from a source.
Example
The derivation of the word comes from Latin.
La dérivation du mot vient du latin.
C1 noun /ˌdɛtəˈneɪʃən/

detonation

détonation
Meaning
The act of exploding or causing something to explode.
Example
The sudden detonation shook the entire building.
La détonation soudaine a secoué tout le bâtiment.
C1 noun /dɪˈfjuːʒən/

diffusion

diffusion
Meaning
the spreading of something more widely or the movement of particles from high to low concentration
Example
The diffusion of information on social media is rapid.
La diffusion de l'information sur les réseaux sociaux est rapide.
C1 noun /dɪˌlɪb.əˈreɪ.ʃənz/

deliberations

délibérations
Meaning
Careful consideration and discussion before making decisions.
Example
Deliberations on sustainability continued for hours.
Les délibérations sur la durabilité ont duré des heures.
C1 noun /ˈdiːvə/

diva

chanteuse célèbre
Meaning
a famous female singer; a woman who is admired or behaves like a star
Example
The pop diva performed her latest hit to a cheering crowd.
La diva de la pop a interprété son dernier tube devant une foule en délire.
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.
C1 verb ˈdwɪn.dl

dwindle

diminuer
Meaning
To diminish gradually in size, amount, or strength; to become progressively smaller.
Example
His savings dwindled due to unexpected expenses.
Ses économies ont diminué en raison de dépenses imprévues.
C1 verb, noun /dɪsˈkrɛdɪt/

discredit

discréditer
Meaning
To harm the reputation of someone or something; loss of respect or credibility.
Example
The scandal discredited the politician in the eyes of the public.
Le scandale a discrédité le politicien aux yeux du public.
C1 noun /dɪˈvaɪzər/

divisor

diviseur
Meaning
A number by which another number is divided.
Example
In the equation 12 ÷ 3, the number 3 is the divisor.
Dans l'équation 12 ÷ 3, le nombre 3 est le diviseur.
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 /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 noun /ˈdaʊn.pɔːr/

Downpour

pluie battante; averse soudaine
Meaning
a heavy fall of rain; a sudden heavy rainfall
Example
The sudden downpour caught everyone off guard and soaked the outdoor event.
La pluie battante soudaine a pris tout le monde au dépourvu et a trempé l'événement extérieur.
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 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 /daɪˈvɛst/

divest

désinvestir
Meaning
to strip away possessions, rights, or assets; to rid oneself of
Example
The company decided to divest its unprofitable division.
L'entreprise a décidé de se désinvestir de sa division non rentable.
C1 verb /dɪsˈkwɑːlɪfaɪ/

disqualify

disqualifier
Meaning
to officially prevent someone from participating or being eligible
Example
The referee decided to disqualify the player for cheating.
L'arbitre a décidé de disqualifier le joueur pour tricher.
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 /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 adjective dɪsˈfʌŋkʃənl

dysfunctional

dysfonctionnel
Meaning
Not operating normally or properly.
Example
The dysfunctional system led to numerous delays and errors.
Le système dysfonctionnel a provoqué de nombreux retards et erreurs.
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 /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 /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 /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 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 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 /dɪsˈhɑːrtn/

dishearten

décourager
Meaning
to cause someone to lose determination or confidence; to discourage
Example
The constant rejection letters began to dishearten the young writer.
Les lettres de rejet constantes ont commencé à décourager le jeune écrivain.
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 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 /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 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 noun /ˈdɛmənˌstreɪtər/

demonstrator

démonstrateur, manifestant
Meaning
a person who shows how something works or takes part in a public protest
Example
The demonstrators marched peacefully through the city streets.
Les manifestants ont défilé pacifiquement dans les rues de la ville.
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 /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 ˌdɪs.ɪnˈfek.ʃən

disinfection

désinfection
Meaning
The process of destroying harmful microorganisms to prevent infection.
Example
Kitchen appliances require frequent disinfection.
Les appareils de cuisine nécessitent une désinfection fréquente.
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 /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 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 dɒɡˈmæt.ɪk

dogmatic

dogmatique
Meaning
Being inclined to lay down principles as incontrovertibly true; characterized by arrogant assertion of unproven principles.
Example
His dogmatic approach to politics made discussions difficult.
Son approche dogmatique de la politique a rendu les discussions difficiles.
C1 adjective /dɪˈmɒnstrətɪv/

demonstrative

expressif
Meaning
openly showing feelings, especially affection or emotion
Example
She was very demonstrative with her affection towards her friends.
Elle était très expressive avec son affection envers ses amis.
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 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 adjective /dɪˈspɪkəbl/

despicable

méprisable
Meaning
Deserving hatred and contempt; vile or shameful.
Example
His despicable actions shocked the entire community.
Ses actions méprisables ont choqué toute la communauté.
C1 verb, noun /ˌdɪsɪˈluːʒən/

disillusion

désillusion
Meaning
to cause someone to realize that something is not as good as they believed
Example
The scandal disillusioned many voters.
Le scandale a désillusionné de nombreux électeurs.
C1 adjective /dɪˈraɪsɪv/

derisive

méprisant
Meaning
Expressing contempt or ridicule.
Example
She gave a derisive laugh at his attempt to sing.
Elle a donné un rire méprisant face à sa tentative de chanter.
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 verb /dɪsˈpleɪs/

displace

déplacer
Meaning
to force someone or something out of their usual or original position; to replace or substitute
Example
The new technology will displace many traditional manufacturing jobs.
La nouvelle technologie déplacera de nombreux emplois traditionnels dans la fabrication.
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 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 /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 /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 verb /dɪˈbeɪs/

debase

dégrader
Meaning
to reduce the quality, value, or dignity of something
Example
Corruption can debase the values of a society.
La corruption peut dégrader les valeurs d'une société.
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/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 noun /ˈdeɪˌbreɪk/

daybreak

aurore
Meaning
The time in the morning when daylight first appears; dawn.
Example
They set out on their journey at daybreak.
Ils ont commencé leur voyage à l'aube.
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 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 /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 /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 /dɪsˈkʌlər/

discolor

décolorer
Meaning
to change color, especially in a way that spoils the original appearance
Example
The fabric began to discolor after being left in the sun.
Le tissu a commencé à se décolorer après avoir été laissé au soleil.
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 noun /dɪsˈɪntrəst/

disinterest

désintérêt
Meaning
lack of interest or concern
Example
His disinterest in the project was obvious.
Son désintérêt pour le projet était évident.
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 /ˌdɪfəˈrɛnʃɪˈeɪʃən/

differentiation

différenciation, distinction
Meaning
The action or process of differentiating or distinguishing between things.
Example
Differentiation from competitors can create a unique market position.
La différenciation des concurrents peut créer une position unique sur le marché.
C1 noun /deɪˈbɑː.kəl/

debacle

débâcle
Meaning
A sudden and ignominious failure; a fiasco.
Example
The company's poor management led to a financial debacle.
La mauvaise gestion de l'entreprise a conduit à un débâcle financier.
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 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 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/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 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 /ˈdel.ɪ.kə.si/

Delicacy

délicatesse; un plat délicat ou coûteux;
Meaning
fineness of texture or structure; a choice or expensive food; sensitivity in handling
Example
The chef prepared a local delicacy that was famous throughout the region.
Le chef a préparé une délicatesse locale qui était célèbre dans toute la région.
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 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 adjective /ˈdiːviəs/

devious

sournois
Meaning
Skillful at using underhanded tactics to achieve goals; not straightforward.
Example
He used a devious plan to gain control of the company.
Il a utilisé un plan sournois pour prendre le contrôle de l'entreprise.
C1 adjective dɪˈskrɪmɪnətɔːri

discriminatory

discriminatoire
Meaning
Making or showing an unfair or prejudicial distinction between different categories of people or things.
Example
Discriminatory policies triggered protests.
Les politiques discriminatoires ont déclenché des protestations.
C1 adjective /dɪˈvɔɪd/

devoid

vide
Meaning
Completely lacking or without something.
Example
His speech was devoid of any real emotion.
Son discours était vide de toute émotion réelle.
C1 noun /draɪ ˈtʃɪl.i/

Dry Chilli

piment sec
Meaning
dried chili peppers used as spice for adding heat to food
Example
The recipe calls for two dry chillies to make it spicy.
La recette demande deux piments secs pour le rendre épicé.
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 /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 adjective /ˈdɪn.dʒi/

Dingy

sale et sombre; de couleur terne
Meaning
dark and dirty; gloomy; dull in color
Example
The old building had dingy walls that needed painting.
Le vieux bâtiment avait des murs sales qui avaient besoin d'être peints.
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 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 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 /dɪˈrɪʒən/

derision

mépris
Meaning
Contemptuous ridicule or mockery.
Example
His ideas were greeted with derision by the audience.
Ses idées ont été accueillies avec mépris par le public.
C1 adjective /daɪˈvɜːrsɪfaɪd/

diversified

diversifié
Meaning
Made or having variety in form, nature, or content.
Example
The company adopted a diversified business strategy to reduce risks.
L'entreprise a adopté une stratégie commerciale diversifiée pour réduire les risques.
C1 noun /dɪˈsaɪ.pəl/

Disciple

disciple; partisan
Meaning
a follower and student of a teacher, leader, or philosopher; devoted follower
Example
The famous philosopher had many disciples who spread his teachings worldwide.
Le célèbre philosophe avait de nombreux disciples qui ont répandu ses enseignements dans le monde entier.
C1 verb /ˈdæb.əl/

dabble

tâtonner
Meaning
To take part in an activity in a casual or superficial way.
Example
He dabbled in painting during his college days.
Il a dabblé dans la peinture pendant ses années universitaires.
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 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 ˌdep.əˈzɪʃ.ən

deposition

dépôt, action de déposer quelque chose
Meaning
The action of depositing something; the laying down of matter by a natural process.
Example
River deposition leads to the formation of new landmasses.
La déposition des rivières mène à la formation de nouvelles terres.
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 adjective /dɪˈpreɪvd/

depraved

dépravé
Meaning
morally corrupt or wicked
Example
The film depicts the life of a depraved criminal.
Le film décrit la vie d'un criminel dépravé.
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 /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 noun /ˈdæɡ.ər/

Dagger

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

dispersion

dispersion
Meaning
The action or process of distributing things or people over a wide area.
Example
The dispersion of seeds by the wind helps plants reproduce.
La dispersion des graines par le vent aide les plantes à se reproduire.
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 /dɪsˈhɑːrtənd/

Disheartened

démoralisé
Meaning
discouraged; feeling dejected; losing hope or confidence
Example
She felt disheartened after failing the exam twice.
Elle s'est sentie démoralisée après avoir échoué à l'examen deux fois.
C1 verb /daʊs/

douse

éteindre / verser
Meaning
to pour liquid over; to extinguish a fire or light
Example
Firefighters doused the flames with water.
Les pompiers ont éteint les flammes avec de l'eau.
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 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 /dʌsk/

Dusk

crépuscule; tombée de la nuit
Meaning
the period of the day when daylight is fading; twilight
Example
They walked along the beach during dusk, watching the sunset.
Ils marchaient sur la plage pendant le crépuscule, regardant le coucher du soleil.