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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 noun /ˈdɑːsieɪ/

dossier

dossier
Meaning
A collection of documents about a particular person, event, or subject.
Example
The lawyer presented a dossier of evidence to the court.
L'avocat a présenté un dossier de preuves au tribunal.
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 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 /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 noun /ˈdɒktrɪn/

doctrine

doctrine
Meaning
A set of beliefs or principles held and taught by a religious, political, or other group.
Example
The church follows a strict doctrine on moral values.
L'église suit une doctrine stricte sur les valeurs morales.
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 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 /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 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 /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 /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 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 /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 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 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 /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 /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 /ˌdiː.viˈeɪ.ʃən/

Deviation

déviation; éloignement d'une trajectoire établie
Meaning
the action of departing from an established course; a departure from usual standards
Example
Any deviation from the established procedure must be reported immediately.
Toute déviation de la procédure établie doit être signalée immédiatement.
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 verb /dɪˈzɪst/

desist

cesser
Meaning
to stop doing something, especially an action considered wrong or undesirable
Example
The judge ordered the company to desist from unfair practices.
Le juge a ordonné à l'entreprise de cesser les pratiques injustes.
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 noun /ˌdɪspɛnˈseɪʃən/

dispensation

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

dispirited

abattu
Meaning
Having lost enthusiasm, hope, or confidence; dejected.
Example
After losing the match, the team looked dispirited.
Après avoir perdu le match, l'équipe semblait abattue.
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 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 /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 adjective /dɪˈfʌŋkt/

defunct

hors service, disparu
Meaning
No longer existing, operating, or functioning.
Example
The company became defunct after the financial crisis.
L'entreprise est devenue défectueuse après la crise financière.
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 /ˈdɪzməl/

Dismal

sombre; déprimant; triste
Meaning
gloomy; depressing; causing sadness or despair
Example
The weather was dismal with heavy rain and dark clouds.
Le temps était sombre avec de fortes pluies et des nuages sombres.
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 /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 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 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 /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 /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 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 /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 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 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 verb diːˈsɛn.sɪ.taɪz

desensitize

désensibiliser
Meaning
To make someone less sensitive or reactive to something through repeated exposure.
Example
Constant exposure to violence can desensitize people.
Une exposition constante à la violence peut désensibiliser les gens.
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 /dɪˈsiːtfəl/

deceitful

trompeur
Meaning
Deliberately misleading or dishonest.
Example
She gave a deceitful answer to hide the truth.
Elle a donné une réponse trompeuse pour cacher la vérité.
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 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 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 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 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 /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 /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 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 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, 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 /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 /ˈderˌdevəl/

daredevil

courageux imprudent
Meaning
A person who enjoys doing dangerous or risky things.
Example
The stunt was performed by a famous daredevil.
L'acrobatie a été réalisée par un célèbre imprudent.
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 /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 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 /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 /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 /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 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 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 /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 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 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 /diːˈkrɪp.ʃən/

decryption

décryptage
Meaning
The process of converting encrypted data back into its original form so it can be understood.
Example
Hackers attempted decryption of classified data.
Les hackers ont tenté de décrypter des données classifiées.
C1 verb /ˈduːdəl/

doodle

gribouiller
Meaning
To draw or scribble absentmindedly, often while thinking about something else.
Example
She doodled flowers in the corner of her notebook during class.
Elle dessinait des fleurs dans le coin de son cahier pendant le cours.
C1 noun /ˈdiːviəns/

deviance

déviance
Meaning
Behavior that differs from accepted social or moral standards.
Example
The book studies deviance in urban youth culture.
Le livre étudie la déviance dans la culture urbaine des jeunes.
C1 verb /ˈdrɪbəl/

dribble

goutte / dribbler le ballon avec de petits coups
Meaning
to let liquid flow slowly in drops or to move a ball skillfully with repeated small kicks or bounces
Example
The baby dribbled milk on his shirt.
Le bébé a renversé du lait sur sa chemise.
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 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 /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 /ˈdɑːsəl/ or /ˈdəʊsaɪl/

docile

docile
Meaning
easily managed, taught, or controlled; submissive
Example
The docile puppy quickly learned new tricks.
Le chiot docile a rapidement appris de nouveaux tours.
C1 noun /dɪˌpriː.ʃiˈeɪ.ʃən/

depreciation

dépréciation
Meaning
A reduction in the value of an asset with the passage of time, due to wear and tear.
Example
The car's depreciation rate is high after five years.
Le taux de dépréciation de la voiture est élevé après cinq ans.
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 /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 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 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 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 /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 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 /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 /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 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 adjective /dɪˈfɪʃənt/

Deficient

déficient
Meaning
not having enough of a specified quality or ingredient; lacking or inadequate
Example
His diet was deficient in essential vitamins.
Son régime était déficient en vitamines essentielles.
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 /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 adjective /dɪˈmɪnjətɪv/

diminutive

minuscule
Meaning
extremely or unusually small
Example
Despite his diminutive size, he was a powerful leader.
Malgré sa taille minuscule, il était un leader puissant.
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 ˌdiː.sen.trə.laɪˈzeɪ.ʃən

decentralization

décentralisation
Meaning
The transfer of authority from central to local government.
Example
Decentralization promotes regional autonomy.
La décentralisation favorise l'autonomie régionale.
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, 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 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 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 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 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 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 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 /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 adjective /dɪˈrɒɡətɔːri/

derogatory

dérogatoire
Meaning
Showing a critical or disrespectful attitude.
Example
The article contained derogatory comments about the politician.
L'article contenait des commentaires dérogatoires à propos du politicien.
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 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 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 /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 /diːˈsɛntrəlaɪzd/

decentralized

décentralisé
Meaning
Controlled by several local offices or authorities rather than one single one.
Example
The decentralized system allowed for more control at local levels.
Le système décentralisé a permis un plus grand contrôle au niveau local.
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 /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 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 verb ˈdiː.vi.eɪt

deviate

s'écarter
Meaning
To depart from an established course or normal pattern.
Example
He tends to deviate from the original plan.
Il a tendance à s'écarter du plan initial.
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 ˈdɛtrɪ.mənt

detriment

dommage, préjudice, détriment
Meaning
Harm, damage, impairment.
Example
Smoking is a detriment to health.
Fumer est un détriment pour la santé.
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 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 /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.