demoralize
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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 /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 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 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 verb dɪˈsaɪ.fɚ

decipher

déchiffrer, traduire, interpréter
Meaning
To convert something written in code into normal language; to succeed in understanding the meaning of something.
Example
It took hours to decipher the ancient script.
Il a fallu des heures pour déchiffrer l'écriture ancienne.
C1 adjective /ˈdrɪəri/

dreary

morose / lugubre
Meaning
dull, bleak, and lifeless; depressing
Example
The long, dreary winter made everyone feel gloomy.
L'hiver long et lugubre a rendu tout le monde triste.
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 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 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 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 noun /dɪˈfaɪəns/

defiance

défiance
Meaning
Open resistance or bold disobedience.
Example
The protest was an act of defiance against injustice.
La protestation était un acte de défiance contre l'injustice.
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 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 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 dɪˈfleɪʃən

deflation

déflation
Meaning
Reduction of the general level of prices in an economy.
Example
Deflation often leads to decreased consumer spending.
La déflation entraîne souvent une diminution des dépenses des consommateurs.
C1 verb /dɪˈspɛl/

dispel

dissiper
Meaning
to make a doubt, feeling, or belief disappear
Example
The teacher's explanation dispelled the students' confusion.
L'explication de l'enseignant a dissipé la confusion des élèves.
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 /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 verb /dɪˈfɔːrm/

deform

déformer
Meaning
to change the shape or form of something, especially in a way that makes it ugly or damaged; to distort
Example
The intense heat began to deform the plastic container.
La chaleur intense a commencé à déformer le récipient en plastique.
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 /dɪˌnʌnsiˈeɪʃən/

denunciation

dénonciation / accusation publique
Meaning
the public condemnation or accusation of someone or something
Example
The journalist's article was a strong denunciation of corruption.
L'article du journaliste était une forte dénonciation de la corruption.
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 dɪˈtætʃ.mənt

detachment

détachement
Meaning
The state of being objective or aloof; not being emotionally involved.
Example
Buddhist philosophy encourages detachment from material desires.
La philosophie bouddhiste encourage le détachement des désirs matériels.
C1 verb /daɪˈluːt/

dilute

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

decomposition

décomposition
Meaning
the process of decaying or breaking down into simpler parts
Example
The decomposition of leaves enriches the soil.
La décomposition des feuilles enrichit le sol.
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 /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 /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 /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 noun /dɪˈsiːt/

Deceit

tromperie; fraude; mensonge
Meaning
the action or practice of deceiving someone by concealing or misrepresenting the truth
Example
His deceit was discovered when the truth about his qualifications came to light.
Sa tromperie a été découverte lorsque la vérité sur ses qualifications a été révélée.
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.
C1 noun /ˈdɒɡmə/

dogma

dogme
Meaning
A principle or set of principles laid down by an authority as incontrovertibly true.
Example
The religious leader strictly adhered to traditional dogma.
Le leader religieux s'est strictement conformé au dogme traditionnel.
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 /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 /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 /dɪˈvɪnɪti/

divinity

divinité
Meaning
The quality or state of being divine; a deity.
Example
The priest spoke about the divinity of the soul.
Le prêtre a parlé de la divinité de l'âme.
C1 noun /dɪˈmaɪz/

demise

décès / fin
Meaning
Death or end of something, especially the end of an institution or system.
Example
The sudden demise of the company shocked investors.
La chute soudaine de l'entreprise a choqué les investisseurs.
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 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 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 /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 verb /drɛntʃ/

drench

tremper
Meaning
to make someone or something completely wet
Example
The sudden rain drenched the players on the field.
La pluie soudaine a trempé les joueurs sur le terrain.
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 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 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 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 noun /ˌdɪp.ləˈmæt.ɪk ˈmaɪl.stəʊn/

diplomatic milestone

jalon diplomatique
Meaning
A significant achievement or important event in diplomatic relations.
Example
Hosting the summit was a diplomatic milestone.
L'organisation du sommet était un jalon diplomatique.
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 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 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 /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 /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 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 /ˈdʊr.i.ən/

Durian

durian
Meaning
a large spiky tropical fruit known for its strong smell and creamy custard-like flesh
Example
Durian is known as the king of fruits in Southeast Asia despite its pungent odor.
Le durian est connu comme le roi des fruits en Asie du Sud-Est malgré son odeur piquante.
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 /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 /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 /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 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 /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 /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 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 /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 ˈdɪs.pər.ət

disparate

disparate
Meaning
containing elements very different from one another.
Example
Their opinions were disparate, leading to debates.
Leurs opinions étaient disparates, ce qui a conduit à des débats.
C1 verb /dɪˈpoʊz/

depose

déposer
Meaning
to remove someone from office or power, especially suddenly and forcefully
Example
The rebels managed to depose the dictator after years of unrest.
Les rebelles ont réussi à déposer le dictateur après des années de troubles.
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 /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 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 /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 /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 noun /ˌdɜːrməˈtɑːlədʒi/

dermatology

dermatologie
Meaning
The branch of medicine concerned with the skin and its diseases.
Example
He studied dermatology at medical school.
Il a étudié la dermatologie à l'école de médecine.
C1 noun /ˈdɑː.mə.saɪl/

domicile

domicile
Meaning
A person's legal residence or permanent home.
Example
He declared Canada as his legal domicile.
Il a déclaré le Canada comme son domicile légal.
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 /ˈdaʊn.kæst/

downcast

abattu
Meaning
feeling sad, dejected, or with lowered eyes
Example
He looked downcast after hearing the bad news.
Il avait l'air abattu après avoir entendu la mauvaise nouvelle.
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 verb /dɪˈstɪl/

distill

distiller
Meaning
To purify a liquid by heating and cooling; to extract the essential meaning or most important aspects.
Example
The factory distills water to make it safe for drinking.
L'usine distille de l'eau pour la rendre sûre à boire.
C1 verb /dɪsˈoʊn/

disown

renier
Meaning
to refuse to acknowledge or accept responsibility for someone or something
Example
He decided to disown his reckless brother.
Il a décidé de renier son frère imprudent.
C1 verb /dɪsˈlɒdʒ/

dislodge

déloger
Meaning
To remove or force out from a position, especially one that is fixed or hard to move.
Example
The troops dislodged the enemy from the hill.
Les troupes ont délogé l'ennemi de la colline.
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 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 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 verb /daɪˈleɪt/

dilate

dilater
Meaning
To make wider, larger, or more open.
Example
The doctor used drops to dilate the patient's pupils.
Le médecin a utilisé des gouttes pour dilater les pupilles du patient.
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 /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 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 noun /ˌdɪs.kʌl.əˈreɪ.ʃən/

discoloration

décoloration
Meaning
The process of changing or losing color; fading.
Example
Sun exposure causes discoloration of fabrics.
L'exposition au soleil provoque la décoloration des tissus.
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 verb /dɪˈpliːt/

deplete

épuiser
Meaning
to reduce the quantity or supply of something
Example
The long war has depleted the country's resources.
La longue guerre a épuisé les ressources du pays.
C1 noun /djuːn/

dune

dune
Meaning
A hill or ridge of sand formed by the wind, usually found in deserts or near beaches.
Example
The children played on the sand dune by the beach.
Les enfants jouaient sur la dune de sable près de la plage.
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 adjective /dɪˈvaʊt/

devout

dévoué
Meaning
Deeply religious or sincere.
Example
He is a devout believer who prays every day.
Il est un croyant dévoué qui prie chaque jour.
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 /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 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 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 adjective /ˈdɛkədənt/

decadent

décadent, luxueux
Meaning
Characterized by or reflecting a state of moral or cultural decline; excessively self-indulgent.
Example
The party was filled with decadent luxury and excess.
La fête était remplie de luxe décadent et d'excès.
C1 noun ˌdiːˌrɛɡ.jʊˈleɪ.ʃən

deregulation

déréglementation
Meaning
The removal or reduction of government regulations in an economic sector.
Example
Deregulation has increased competition in the telecommunications sector.
La déréglementation a augmenté la concurrence dans le secteur des télécommunications.
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 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 adjective /ˌdɪktəˈtɔːriəl/

dictatorial

dictatorial
Meaning
Having or showing a tendency to tell people what to do in an autocratic way.
Example
His dictatorial style made him unpopular among colleagues.
Son style dictatorial le rendait impopulaire parmi ses collègues.
C1 adjective /dɪˈvɪzəbl/

divisible

divisible
Meaning
Capable of being divided by another number without leaving a remainder.
Example
Twelve is divisible by three and four.
Douze est divisible par trois et quatre.
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 verb /dʌb/

dub

doubler
Meaning
to give a name or label to something; to add a soundtrack to a film or recording
Example
The movie was dubbed into several languages for international release.
Le film a été doublé en plusieurs langues pour sa sortie internationale.
C1 adjective /ˈdaʊ.ər/

dour

sévère
Meaning
relentlessly severe, stern, or gloomy in manner or appearance
Example
His dour expression made the meeting uncomfortable.
Son expression sévère rendait la réunion inconfortable.
C1 verb /dɪˈpɔːrt/

deport

déporter
Meaning
To expel a foreigner from a country, usually for legal or political reasons.
Example
The government decided to deport the illegal immigrants.
Le gouvernement a décidé de déporter les immigrés illégaux.
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 verb /ˌdɪsɪmˈbɑːrk/

disembark

débarquer
Meaning
To leave a ship, aircraft, or other vehicle.
Example
The passengers disembarked from the plane after landing.
Les passagers sont descendus de l'avion après l'atterrissage.
C1 verb /ˌdɪsɪnˈtæŋɡl/

disentangle

démêler
Meaning
To free something or someone from a tangle or complication.
Example
She tried to disentangle her hair from the branches.
Elle a essayé de démêler ses cheveux des branches.
C1 verb dɪˈlɪnieɪt

delineate

décrire de manière précise
Meaning
To describe or portray something precisely
Example
The artist delineated the scene in intricate detail.
L'artiste a délimité la scène avec des détails complexes.
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 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 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 /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 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 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 /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 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 verb /diːˈhaɪdreɪt/

dehydrate

déshydrater
Meaning
to remove water from something; to lose water or body fluids
Example
Running in the heat can quickly dehydrate you.
Courir sous la chaleur peut rapidement vous déshydrater.