dissertation
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C1 noun /ˌdɪsərˈteɪʃən/

dissertation

tesis
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.
Ella pasó dos años escribiendo su tesis doctoral.
C1 verb /daɪˈvʌldʒ/

divulge

divulgar
Meaning
to make known something private, secret, or previously unknown
Example
She refused to divulge the source of her information.
Ella se negó a divulgar la fuente de su información.
C1 verb /dɪˈstɪl/

distill

destilar
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.
La fábrica destila agua para hacerla segura para beber.
C1 verb /dʌb/

dub

doblar
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.
La película fue doblada a varios idiomas para su lanzamiento internacional.
C1 adjective /dɪˈstrɔːt/

distraught

desconcertado
Meaning
extremely upset and anxious, often to the point of being unable to think clearly
Example
She was distraught after losing her pet.
Ella estaba desconcertada después de perder su mascota.
C1 noun /dɪn/

din

ruido
Meaning
a loud, unpleasant, and prolonged noise
Example
The din of traffic outside made it hard to concentrate.
El ruido del tráfico afuera hacía difícil concentrarse.
C1 noun /dɪˈkriː/

Decree

decreto
Meaning
an official order issued by a legal authority; a judicial decision or edict
Example
The king issued a decree that all citizens must pay additional taxes.
El rey emitió un decreto que todos los ciudadanos deben pagar impuestos adicionales.
C1 adjective /dɪˈvaʊt/

devout

devoto
Meaning
Deeply religious or sincere.
Example
He is a devout believer who prays every day.
Él es un devoto creyente que reza todos los días.
C1 adjective dɪsˈfʌŋkʃənl

dysfunctional

disfuncional
Meaning
Not operating normally or properly.
Example
The dysfunctional system led to numerous delays and errors.
El sistema disfuncional causó numerosos retrasos y errores.
C1 noun /ˈdɪsɪdənt/

dissident

disidente
Meaning
A person who opposes official policy, especially that of an authoritarian state.
Example
The dissident was arrested for speaking against the government.
El disidente fue arrestado por hablar en contra del gobierno.
C1 verb /ˈdɪs.ɪ.peɪt/

dissipate

desaparecer gradualmente
Meaning
To disappear or cause to disappear gradually.
Example
The tension in the room slowly dissipated.
La tensión en la sala desapareció lentamente.
C1 noun /dɪˈprɛsənt/

depressant

depresor
Meaning
A drug that reduces functional or nervous activity in the body.
Example
Alcohol acts as a depressant on the central nervous system.
El alcohol actúa como un depresor en el sistema nervioso central.
C1 noun /doʊ/

doe

cierva
Meaning
a female deer, especially an adult one
Example
The doe and her fawn were grazing in the meadow.
La cierva y su cervatillo estaban pastando en el prado.
C1 verb /daɪˈleɪt/

dilate

dilatar
Meaning
To make wider, larger, or more open.
Example
The doctor used drops to dilate the patient's pupils.
El doctor usó gotas para dilatar las pupilas del paciente.
C1 adjective /dɪˈskrɪmɪˌneɪtɪŋ/

discriminating

discriminatorio
Meaning
Having refined taste or good judgment; able to recognize subtle differences.
Example
She is known for her discriminating taste in art.
Es conocida por su gusto discriminatorio en el arte.
C1 adjective /dɪˈspɪkəbl/

despicable

despreciable
Meaning
Deserving hatred and contempt; vile or shameful.
Example
His despicable actions shocked the entire community.
Sus acciones despreciables sorprendieron a toda la comunidad.
C1 noun dəˌmɛstɪˈkeɪʃən

domestication

domesticación
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 domesticación de animales ha sido crucial para la supervivencia humana.
C1 noun /ˌdɜːrməˈtɑːlədʒɪst/

dermatologist

dermatólogo
Meaning
A doctor who specializes in the treatment of skin diseases.
Example
She consulted a dermatologist for her skin allergy.
Ella consultó a un dermatólogo para su alergia en la piel.
C1 adjective /daɪˈvɜːrsɪfaɪd/

diversified

diversificado
Meaning
Made or having variety in form, nature, or content.
Example
The company adopted a diversified business strategy to reduce risks.
La empresa adoptó una estrategia empresarial diversificada para reducir los riesgos.
C1 noun /ˌdɜːrməˈtɑːlədʒi/

dermatology

dermatología
Meaning
The branch of medicine concerned with the skin and its diseases.
Example
He studied dermatology at medical school.
Estudió dermatología en la escuela de medicina.
C1 noun /dɪˌlɪb.əˈreɪ.ʃənz/

deliberations

deliberaciones
Meaning
Careful consideration and discussion before making decisions.
Example
Deliberations on sustainability continued for hours.
Las deliberaciones sobre sostenibilidad continuaron durante horas.
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.
Durian es conocido como el rey de las frutas en el Sudeste Asiático a pesar de su olor penetrante.
C1 verb /dɪˈfjuːz/

diffuse

difundir
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.
El olor del pan recién hecho se difundió por toda la casa.
C1 noun /dɪˈfjuːʒən/

diffusion

difusión
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 difusión de información en las redes sociales es rápida.
C1 noun ˌdiːˌrɛɡ.jʊˈleɪ.ʃən

deregulation

desregulación
Meaning
The removal or reduction of government regulations in an economic sector.
Example
Deregulation has increased competition in the telecommunications sector.
La desregulación ha aumentado la competencia en el sector de las telecomunicaciones.
C1 verb /ˌdɪsɪnˈɡeɪdʒ/

disengage

desconectar
Meaning
To release or detach oneself from something; to withdraw.
Example
He tried to disengage from the heated argument.
Trató de desconectarse de la acalorada discusión.
C1 verb /daɪˈvɛst/

divest

desinvertir
Meaning
to strip away possessions, rights, or assets; to rid oneself of
Example
The company decided to divest its unprofitable division.
La empresa decidió desinvertir su división no rentable.
C1 adjective /dɪˈmɪnjətɪv/

diminutive

diminuto
Meaning
extremely or unusually small
Example
Despite his diminutive size, he was a powerful leader.
A pesar de su tamaño diminuto, era un líder poderoso.
C1 verb /dɪˈfrɔːd/

defraud

defraudar
Meaning
to illegally take money or valuables from someone by deception
Example
The company was accused of trying to defraud investors.
La empresa fue acusada de intentar defraudar a los inversores.
C1 verb /dɪsˈɡrʌntl/

disgruntle

descontentar
Meaning
to make someone dissatisfied or discontented
Example
The unfair treatment disgruntled the workers.
El trato injusto descontentó a los trabajadores.
C1 verb, noun /dɪsˈkrɛdɪt/

discredit

desacreditar
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.
El escándalo desacreditó al político ante los ojos del público.
C1 adjective /dɪˈvɔɪd/

devoid

vacío
Meaning
Completely lacking or without something.
Example
His speech was devoid of any real emotion.
Su discurso estaba vacío de cualquier emoción real.
C1 noun /draɪ fɪʃ/

Dry fish

pescado seco
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.
El pescado seco es un alimento conservado popular en muchas regiones costeras.
C1 adjective /ˈdesələt/

Desolate

desierto; solitario; árido
Meaning
deserted; lonely; barren
Example
The abandoned village looked desolate and empty.
El pueblo abandonado se veía desolado y vacío.
C1 adjective ˈdɪs.pər.ət

disparate

dispar
Meaning
containing elements very different from one another.
Example
Their opinions were disparate, leading to debates.
Sus opiniones eran dispares, lo que llevó a debates.
C1 noun ˈdɪl.ɪ.dʒəns

diligence

diligencia
Meaning
Careful and persistent work or effort.
Example
Success requires patience and diligence.
El éxito requiere paciencia y diligencia.
C1 verb /ˈdɪsləkeɪt/

dislocate

dislocar
Meaning
To disturb the normal position of something, especially a joint in the body.
Example
He dislocated his shoulder while playing football.
Él dislocó su hombro mientras jugaba al fútbol.
C1 verb /ˈdɛsɪmeɪt/

decimate

destruir
Meaning
To destroy or kill a large proportion of something.
Example
The wildfire decimated the forest.
El incendio arrasó el bosque.
C1 adjective /ˈdiːviəs/

devious

astuto
Meaning
Skillful at using underhanded tactics to achieve goals; not straightforward.
Example
He used a devious plan to gain control of the company.
Usó un plan astuto para ganar el control de la empresa.
C1 noun /daɪˈvɜː.dʒəns/

divergence

divergencia
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 divergencia en sus opiniones llevó a un debate acalorado.
C1 adjective /ˈdɒdʒi/

Dodgy

sospechoso; cuestionable; poco confiable; arriesgado o peligroso
Meaning
suspicious; questionable; unreliable; risky or dangerous
Example
That deal sounds dodgy to me.
Ese trato me suena sospechoso.
C1 adjective /dɪˈmɒnstrətɪv/

demonstrative

expresivo
Meaning
openly showing feelings, especially affection or emotion
Example
She was very demonstrative with her affection towards her friends.
Ella era muy expresiva con su afecto hacia sus amigos.
C1 noun ˈdɪskɔrd

discord

discordia
Meaning
Disagreement or conflict between people or ideas.
Example
Discord among people disrupts societal stability.
La discordia entre las personas perturba la estabilidad social.
C1 noun /ˌdɪs.kʌl.əˈreɪ.ʃən/

discoloration

decoloración
Meaning
The process of changing or losing color; fading.
Example
Sun exposure causes discoloration of fabrics.
La exposición al sol causa la decoloración de las telas.
C1 verb /ˈdæb.əl/

dabble

incursionar
Meaning
To take part in an activity in a casual or superficial way.
Example
He dabbled in painting during his college days.
Él dabbleó en la pintura durante sus días en la universidad.
C1 verb /dɪˈtɛst/

detest

detestar
Meaning
To dislike intensely or hate.
Example
I detest waking up early on weekends.
Yo detesto levantarme temprano los fines de semana.
C1 verb /dɪˈsɛkt/

dissect

disecar
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 la clase de biología, los estudiantes tuvieron que diseccionar una rana para aprender sobre su anatomía.
C1 verb /ˈdɛprɪˌkeɪt/

deprecate

desaprobar
Meaning
to express disapproval of something
Example
The teacher deprecated the use of slang in academic essays.
El maestro desaprobó el uso de jerga en ensayos académicos.
C1 noun /ˈdek.ə.dəns/

decadence

decadencia
Meaning
Moral or cultural decline characterized by excessive indulgence in pleasure or luxury.
Example
The novel describes the decadence of the wealthy elite.
La novela describe la decadencia de la élite adinerada.
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.
El museo mostró un diorama de una aldea antigua.
C1 adjective /dɪˈrɒɡətɔːri/

derogatory

despectivo
Meaning
Showing a critical or disrespectful attitude.
Example
The article contained derogatory comments about the politician.
El artículo contenía comentarios despectivos sobre el político.
C1 verb /dɪsˈfɪɡjər/

disfigure

desfigurar
Meaning
to spoil or damage the appearance of something
Example
The fire disfigured the old building.
El fuego desfiguró el viejo edificio.
C1 verb /dɪˈbeɪs/

debase

degradar
Meaning
to reduce the quality, value, or dignity of something
Example
Corruption can debase the values of a society.
La corrupción puede degradar los valores de una sociedad.
C1 noun /draɪ ˈtʃɪl.i/

Dry Chilli

pimiento seco
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 receta requiere dos pimientos secos para hacerlo picante.
C1 noun /ˌdiːpɔːrˈteɪʃən/

deportation

deportación
Meaning
The act of expelling a foreigner from a country.
Example
The deportation of hundreds of workers sparked international criticism.
La deportación de cientos de trabajadores provocó críticas internacionales.
C1 verb /dɪˈvɒlv/

devolve

devolver
Meaning
To pass power, responsibility, or duties to another person or group.
Example
The responsibility will devolve on the new manager.
La responsabilidad se transferirá al nuevo gerente.
C1 verb /dɪˈmɔrəˌlaɪz/

demoralize

desmoralizar
Meaning
to cause someone to lose confidence or hope
Example
The constant criticism demoralized the young athlete.
La constante crítica desmoralizó al joven atleta.
C1 noun /ˈdɪɡnɪˌtɛri/

dignitary

persona importante
Meaning
a person considered to be important because of high rank or office
Example
Several foreign dignitaries attended the state banquet.
Varios dignatarios extranjeros asistieron al banquete estatal.
C1 verb /dɪˈsɛm.ɪ.neɪt/

disseminate

diseminar
Meaning
To spread or give out something, especially news, information, ideas, etc., to a lot of people.
Example
Social media helps to disseminate information quickly.
Las redes sociales ayudan a difundir información rápidamente.
C1 noun /ˈderˌdevəl/

daredevil

persona temeraria
Meaning
A person who enjoys doing dangerous or risky things.
Example
The stunt was performed by a famous daredevil.
El truco fue realizado por un famoso temerario.
C1 adjective /dɪˈsɜːrnɪŋ/

discerning

perspicaz
Meaning
having good judgment or insight; able to distinguish well
Example
He is a discerning reader who notices subtle details.
Él es un lector perspicaz que nota detalles sutiles.
C1 noun /ˈdɒktrɪn/

doctrine

doctrina
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.
La iglesia sigue una estricta doctrina sobre los valores morales.
C1 noun /ˈdɪs.ə.nəns/

dissonance

disonancia
Meaning
Disagreement, lack of harmony, conflict between ideas or beliefs.
Example
The cultural dissonance created misunderstandings.
La disonancia cultural creó malentendidos.
C1 adjective /dɪsˈɪntrəstɪd/

disinterested

desinteresado
Meaning
not influenced by personal interest; impartial or neutral
Example
The judge remained disinterested in the case.
El juez se mantuvo desinteresado en el caso.
C1 adjective /ˈdaɪ.si/

dicey

arriesgado
Meaning
Risky or unpredictable; potentially dangerous.
Example
Investing in that company looks pretty dicey right now.
Invertir en esa empresa ahora parece bastante arriesgado.
C1 noun /dɪˈmaɪz/

demise

muerte / fin
Meaning
Death or end of something, especially the end of an institution or system.
Example
The sudden demise of the company shocked investors.
El repentino fin de la empresa sorprendió a los inversores.
C1 noun dɪˈfleɪʃən

deflation

deflación
Meaning
Reduction of the general level of prices in an economy.
Example
Deflation often leads to decreased consumer spending.
La deflación a menudo conduce a una disminución del gasto de los consumidores.
C1 noun /ˈdeɪ.ə.ti/

deity

deidad
Meaning
a god or goddess
Example
The temple is dedicated to a Hindu deity.
El templo está dedicado a una deidad hindú.
C1 noun /ˈdæn.drʌf/

Dandruff

caspa
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.
Usó un champú especial para tratar su persistente problema de caspa.
C1 verb /dɪˈmiːn/

demean

despreciar
Meaning
to cause someone to lose dignity or respect
Example
The manager demeaned his employees with rude remarks.
El gerente descalificó a sus empleados con comentarios groseros.
C1 noun /ˈdaɪnəˌmoʊ/

dynamo

máquina que genera electricidad; persona con gran energía y entusiasmo
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.
Ella es la verdadera dinamoma detrás del éxito de la empresa.
C1 adjective /ˈdraʊ.zi/

Drowsy

somnoliento; adormilado; cansado
Meaning
feeling sleepy and lethargic; half asleep; tired
Example
I felt drowsy after the heavy meal.
Me sentí somnoliento después de la comida pesada.
C1 adjective /dɪˈfaɪənt/

Defiant

desafiante; rebelde
Meaning
boldly resistant or challenging; disobedient
Example
The defiant student refused to follow the rules.
El estudiante desafiante se negó a seguir las reglas.
C1 noun /ˌdɛməˈlɪʃən/

demolition

demolición
Meaning
the act or process of destroying a building or structure
Example
The demolition of the old factory took several weeks.
La demolición de la antigua fábrica tomó varias semanas.
C1 verb ˈdwɪn.dl

dwindle

disminuir
Meaning
To diminish gradually in size, amount, or strength; to become progressively smaller.
Example
His savings dwindled due to unexpected expenses.
Sus ahorros disminuyeron debido a gastos inesperados.
C1 adjective /ˈdestatəʊt/

Destitute

pobre; indigente; sin dinero ni posesiones
Meaning
extremely poor; without money or possessions
Example
Many families became destitute after the economic collapse.
Muchas familias se volvieron pobres después del colapso económico.
C1 noun /dɪˈmiːnər/

demeanor

comportamiento
Meaning
a person's outward behavior or appearance
Example
Her calm demeanor impressed everyone at the meeting.
Su comportamiento tranquilo impresionó a todos en la reunión.
C1 verb /dɪsˈpærɪdʒ/

disparage

despreciar
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.
Es injusto despreciar a las personas por sus opiniones.
C1 noun /ˈdɛljuːdʒ/

deluge

inundación
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 ciudad fue golpeada por una inundación de lluvia en solo unas pocas horas.
C1 verb /dɪˈpriːʃieɪt/

depreciate

depreciar
Meaning
to reduce in value over time
Example
Cars tend to depreciate quickly in their first few years.
Los coches tienden a depreciarse rápidamente en sus primeros años.
C1 noun /ˈdiːvə/

diva

cantante famosa
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 del pop interpretó su último éxito frente a una multitud que aplaudía.
C1 noun dɪˈtætʃ.mənt

detachment

desapego
Meaning
The state of being objective or aloof; not being emotionally involved.
Example
Buddhist philosophy encourages detachment from material desires.
La filosofía budista fomenta el desapego de los deseos materiales.
C1 verb /dɪsˈkleɪm/

disclaim

renunciar
Meaning
to deny responsibility or connection with something
Example
The company disclaimed responsibility for the accident.
La empresa renunció a la responsabilidad del accidente.
C1 adjective /ˈdɑːsəl/ or /ˈdəʊsaɪl/

docile

docil
Meaning
easily managed, taught, or controlled; submissive
Example
The docile puppy quickly learned new tricks.
El cachorro dócil aprendió rápidamente nuevos trucos.
C1 adjective /ˌdɪsɪnˈdʒɛnjʊəs/

disingenuous

falso
Meaning
not candid or sincere; giving a false appearance of honesty or openness
Example
She gave a disingenuous excuse for missing the meeting.
Ella dio una excusa falsa por no asistir a la reunión.
C1 noun /drɑːft/ (UK), /dræft/ (US)

draught

corriente de aire
Meaning
a current of cool air in a room or another confined space; also a portion of liquid, especially beer, served from a barrel or cask
Example
She closed the window to keep out the cold draught.
Ella cerró la ventana para evitar la corriente de aire frío.
C1 adjective /daɪər/

Dire

grave; urgente; terrible
Meaning
extremely serious; urgent; terrible
Example
The country is facing a dire economic crisis.
El país está enfrentando una grave crisis económica.
C1 noun delˈteɪɪk ˈlændskeɪp

deltaic landscape

paisaje deltaico
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.
Bangladesh tiene un paisaje deltaico único.
C1 adjective /dæft/

daft

tonto
Meaning
Silly or foolish.
Example
It was a daft idea to go hiking without water.
Fue una idea tonta ir a hacer senderismo sin agua.
C1 adjective /ˈdɪzməl/

Dismal

oscuro; deprimente; triste
Meaning
gloomy; depressing; causing sadness or despair
Example
The weather was dismal with heavy rain and dark clouds.
El clima estaba oscuro con lluvia intensa y nubes oscuras.
C1 noun /ˌdiː.mɑːˈkeɪ.ʃən/

Demarcation

demarcación
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 demarcación entre tierras públicas y privadas estaba claramente marcada.
C1 verb /dɪsˈɑːrm/

disarm

desarmar
Meaning
to take weapons away from someone; to make someone feel less hostile
Example
The soldiers were ordered to disarm the rebels.
A los soldados se les ordenó desarmar a los rebeldes.
C1 verb /ˈdæmpən/

dampen

humedecer, atenuar
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 lluvia dampenó la emoción del concierto al aire libre.
C1 phrase ˌdɪp.ləˈmæt.ɪk rɛz.əˈluː.ʃən

diplomatic resolution

resolución diplomática
Meaning
A peaceful solution to conflicts through negotiation and diplomatic channels.
Example
A diplomatic resolution is necessary for peace.
Es necesaria una resolución diplomática para la paz.
C1 noun dɪˌzɝː.t̬ə.fɪˈkeɪ.ʃən

desertification

desertificación
Meaning
The process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture.
Example
Deforestation accelerates desertification.
La deforestación acelera la desertificación.
C1 verb /dɪsˈtrʌst/

distrust

desconfiar
Meaning
to have no confidence or trust in someone or something
Example
Many people distrust politicians.
Muchas personas desconfían de los políticos.
C1 noun/verb /dɛnt/

dent

abolladura
Meaning
a small hollow mark on the surface of something; to make a small hollow mark
Example
The accident left a dent in the car door.
El accidente dejó una abolladura en la puerta del coche.
C1 verb /dɪˈpoʊz/

depose

deponer
Meaning
to remove someone from office or power, especially suddenly and forcefully
Example
The rebels managed to depose the dictator after years of unrest.
Los rebeldes lograron derrocar al dictador después de años de agitación.
C1 adjective /dɪˈsperɪŋ/

Despairing

desesperante
Meaning
feeling hopeless; in despair
Example
She felt despairing after losing her job.
Se sintió desesperante después de perder su trabajo.
C1 noun ˌdɪs.ɪnˈfek.ʃən

disinfection

desinfección
Meaning
The process of destroying harmful microorganisms to prevent infection.
Example
Kitchen appliances require frequent disinfection.
Los electrodomésticos requieren desinfección frecuente.
C1 noun /dɪˈlɪriəm/

delirium

delirio
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.
El paciente experimentó delirio después de la cirugía debido a los fuertes medicamentos.
C1 noun ˈdaɪ.nə.sti

dynasty

dinastía
Meaning
A line of hereditary rulers of a country; a succession of people from the same family who play a prominent role in business, politics, or another field.
Example
The Ming dynasty ruled China for centuries.
La dinastía Ming gobernó China durante siglos.
C1 noun /diːˈkrɪp.ʃən/

decryption

desencriptación
Meaning
The process of converting encrypted data back into its original form so it can be understood.
Example
Hackers attempted decryption of classified data.
Los hackers intentaron la desencriptación de datos clasificados.
C1 verb /druːp/

droop

caer
Meaning
to bend or hang downward; to become weak or tired
Example
The flowers began to droop in the heat.
Las flores empezaron a caer debido al calor.
C1 noun /ˈdɑːsieɪ/

dossier

expediente
Meaning
A collection of documents about a particular person, event, or subject.
Example
The lawyer presented a dossier of evidence to the court.
El abogado presentó un expediente de pruebas ante el tribunal.
C1 verb /dɪsˈmæntəl/

dismantle

desmontar
Meaning
to take apart; to remove or destroy the parts of
Example
Workers will dismantle the old bridge next month.
Los trabajadores desmontarán el viejo puente el próximo mes.
C1 noun /dɪˌsem.ɪˈneɪ.ʃən/

dissemination

diseminación
Meaning
The action or fact of spreading something, especially information, widely.
Example
The dissemination of false information is a major issue.
La diseminación de información falsa es un gran problema.
C1 adjective /ˈdaʊn.kæst/

downcast

cabizbajo
Meaning
feeling sad, dejected, or with lowered eyes
Example
He looked downcast after hearing the bad news.
Parecía cabizbajo después de oír las malas noticias.
C1 verb /ˌdɪskənˈsɜːrt/

disconcert

desconcertar
Meaning
To unsettle, confuse, or disturb the composure of someone.
Example
The sudden change of plans disconcerted the team.
El cambio repentino de planes desconcertó al equipo.
C1 verb /ˌdiːˈbʌŋk/

debunk

desmentir, exponer la falsedad de
Meaning
Expose the falseness or hollowness of (a myth, idea, or belief).
Example
Scientists debunked the myth that vaccines cause autism.
Los científicos desmintieron el mito de que las vacunas causan autismo.
C1 verb /dɪsˈpleɪs/

displace

desplazar
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 nueva tecnología desplazará muchos trabajos tradicionales de manufactura.
C1 noun/adjective /dɪˈtɜː.rənt/

deterrent

elemento disuasorio
Meaning
A thing that discourages or is intended to discourage someone from doing something.
Example
A strict law serves as a deterrent to crime.
Una ley estricta sirve como elemento disuasorio para el crimen.
C1 noun ˌdɛɡrəˈdeɪʃən

degradation

degradación
Meaning
The condition or process of degrading or being degraded.
Example
Soil degradation due to overuse is a growing issue.
La degradación del suelo debido al uso excesivo es un problema creciente.
C1 verb /dɪsˈlɒdʒ/

dislodge

desalojar
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.
Las tropas desalojaron al enemigo de la colina.
C1 verb /dɪˈfɔːrm/

deform

deformar
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.
El calor intenso comenzó a deformar el recipiente de plástico.
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.
Su estilo dictatorial lo hizo impopular entre los compañeros de trabajo.
C1 verb /dɪsˈoʊn/

disown

desheredar
Meaning
to refuse to acknowledge or accept responsibility for someone or something
Example
He decided to disown his reckless brother.
Él decidió desheredar a su hermano imprudente.
C1 verb /ˈdaʊn.pleɪ/

downplay

restar importancia
Meaning
to make something seem less important than it really is
Example
The company tried to downplay the risks of the new product.
La empresa intentó restar importancia a los riesgos del nuevo producto.
C1 verb /diːˈkoʊd/

decode

decodificar
Meaning
to convert a coded message into a readable form; to interpret meaning
Example
The software can decode the hidden message within seconds.
El software puede decodificar el mensaje oculto en segundos.
C1 noun /ˌdɪstɪˈleɪʃən/

distillation

destilación
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 destilación se usa comúnmente para producir bebidas alcohólicas.
C1 noun /ˈdaɪhɑːrd/

diehard

fanático
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.
Él es un fanático acérrimo de la música rock clásica.