distillation
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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 /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 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 phrase ˌdɪp.ləˈmæt.ɪk rɛz.əˈluː.ʃən

diplomatic resolution

résolution diplomatique
Meaning
A peaceful solution to conflicts through negotiation and diplomatic channels.
Example
A diplomatic resolution is necessary for peace.
Une résolution diplomatique est nécessaire pour la paix.
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 /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 /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 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 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 adjective /dæft/

daft

fou
Meaning
Silly or foolish.
Example
It was a daft idea to go hiking without water.
C'était une idée folle de partir en randonnée sans eau.
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 dɪˌzɝː.t̬ə.fɪˈkeɪ.ʃən

desertification

désertification
Meaning
The process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture.
Example
Deforestation accelerates desertification.
La déforestation accélère la désertification.
C1 noun delˈteɪɪk ˈlændskeɪp

deltaic landscape

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

decibel

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

discrepancies

divergence
Meaning
Differences between things that should be the same
Example
Discrepancies in regulations delay progress.
Les divergences dans les règlements retardent les progrès.
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 /ˈdraʊ.zi/

Drowsy

somnolent; fatigué; léthargique
Meaning
feeling sleepy and lethargic; half asleep; tired
Example
I felt drowsy after the heavy meal.
Je me suis senti somnolent après le repas copieux.
C1 noun /dɜːrθ/

dearth

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

darwinism

darwinisme
Meaning
the theory of biological evolution developed by Charles Darwin, emphasizing natural selection
Example
Darwinism revolutionized the way scientists understood the origin of species.
Le darwinisme a révolutionné la façon dont les scientifiques comprenaient l'origine des espèces.
C1 adjective /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 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 /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 /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 /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 /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 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 /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 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 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 /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 /ˈdɪm.pəl/

Dimple

fossette
Meaning
a small depression in the flesh, either one that exists permanently or one that forms when smiling
Example
Her charming dimples appeared whenever she smiled at the children.
Ses adorables fossettes apparaissaient chaque fois qu'elle souriait aux enfants.
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 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 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 /ˈdɪsɪdənt/

dissident

dissident
Meaning
A person who opposes official policy, especially that of an authoritarian state.
Example
The dissident was arrested for speaking against the government.
Le dissident a été arrêté pour avoir parlé contre le gouvernement.
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 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 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 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 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 /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 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 /ˈduːmz.deɪ/

Doomsday

le jour du jugement dernier; le jour de la fin du monde
Meaning
the last day of the world's existence; a time of catastrophic destruction
Example
The preacher spoke about doomsday and the importance of preparing spiritually.
Le prédicateur a parlé du jour du jugement dernier et de l'importance de se préparer spirituellement.
C1 adjective ˈdɔːn.tɪŋ

daunting

intimidant ou difficile
Meaning
Something that seems intimidating or challenging.
Example
The task seemed daunting, but she completed it successfully.
La tâche semblait intimidante, mais elle l'a terminée avec succès.
C1 noun /ˈded.lɑk/

Dead-lock

impasse; blocage
Meaning
a situation in which no progress is possible; complete standstill
Example
The negotiations reached a deadlock when neither side would compromise.
Les négociations ont atteint une impasse lorsque les deux parties ne voulaient pas faire de compromis.
C1 noun 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 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 /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 ˌdjʊə.rəˈbɪl.ə.ti

durability

durabilité
Meaning
The ability to withstand wear, pressure, or damage; hard-wearing.
Example
The durability of materials affects performance.
La durabilité des matériaux affecte la performance.
C1 verb /dɪˈdjuːs/

deduce

déduire
Meaning
to reach a conclusion by reasoning or inference
Example
From the evidence, the detective deduced that the suspect was lying.
À partir des preuves, le détective a déduit que le suspect mentait.
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 /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 /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 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 noun /ˈdrʌdʒəri/

drudgery

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

din

bruit
Meaning
a loud, unpleasant, and prolonged noise
Example
The din of traffic outside made it hard to concentrate.
Le bruit de la circulation dehors rendait la concentration difficile.
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 /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 /dɪˈbɪl.ɪ.teɪ.tɪŋ/

debilitating

affaiblissant
Meaning
Making someone or something weak and infirm.
Example
The disease had a debilitating effect on his health.
La maladie avait un effet affaiblissant sur sa santé.
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 /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 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, 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 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 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 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 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 verb /dɪˈsɛkt/

dissect

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

Deformity

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

disallow

interdire
Meaning
to refuse to allow or accept something
Example
The referee disallowed the goal for offside.
L'arbitre a disallowé le but pour hors-jeu.
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 verb /dɪˈsweɪd/

dissuade

dissuader
Meaning
To persuade someone not to do something.
Example
She tried to dissuade him from quitting his job.
Elle a essayé de le dissuader de quitter son travail.
C1 noun /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 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 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 verb /diːˈfɒrɪst/

deforest

déboiser
Meaning
to clear an area of trees, usually on a large scale
Example
The region has been heavily deforested for agriculture.
La région a été fortement déboisée pour l'agriculture.
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 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 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 noun /diːˌtɒksɪfɪˈkeɪʃən/

detoxification

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

defile

profaner
Meaning
to pollute, corrupt, or make dirty
Example
The river was defiled by industrial waste.
La rivière a été profanée par les déchets industriels.
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 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 /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 noun /ˈdeɪ.ə.ti/

deity

divinité
Meaning
a god or goddess
Example
The temple is dedicated to a Hindu deity.
Le temple est dédié à une divinité hindoue.
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 verb /ˈdɪsləkeɪt/

dislocate

déboîter
Meaning
To disturb the normal position of something, especially a joint in the body.
Example
He dislocated his shoulder while playing football.
Il a disloqué son épaule en jouant au football.
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 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.