decomposition
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C1 noun /ˌdiː.kɒmpəˈzɪʃən/

decomposition

descomposición
Meaning
the process of decaying or breaking down into simpler parts
Example
The decomposition of leaves enriches the soil.
La descomposición de las hojas enriquece el suelo.
C1 adjective ˌdet.rɪˈmen.təl

detrimental

detrimental
Meaning
Tending to cause harm; damaging or harmful.
Example
Pollution has detrimental effects on fertility.
La contaminación tiene efectos perjudiciales sobre la fertilidad.
C1 noun daɪˈkɒtəmi

dichotomy

dicotomía
Meaning
A division or contrast between two things that are or are represented as being opposed or entirely different.
Example
The dichotomy between tradition and modernity is often debated.
La dicotomía entre la tradición y la modernidad a menudo es debatida.
C1 adjective /ˈdɛkədənt/

decadent

decadente, lujoso
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 fiesta estuvo llena de lujo decadente y exceso.
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.
C1 noun /ˈdeɪtəm/ or /ˈdætəm/

datum

dato
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.
Cada dato en la encuesta fue cuidadosamente analizado.
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 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 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 verb /ˈdræm.ə.taɪz/

dramatize

dramatizar
Meaning
to present a story in a dramatic way, or to exaggerate something
Example
The novel was dramatized into a popular TV series.
La novela fue dramatizada en una popular serie de televisión.
C1 noun, verb /dɪsˈɑːnər/

dishonor

deshonra
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.
El soldado sintió que había traído deshonra a su familia.
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 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 /dɪˈfeɪs/

deface

desfigurar
Meaning
to spoil the surface or appearance of something, especially by writing or drawing on it
Example
The vandals defaced the wall with graffiti.
Los vándalos desfiguraron la pared con grafitis.
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 /ˌdez.ɪɡˈneɪ.ʃən/

Designation

designación; cargo; título; estatus oficial
Meaning
the action of choosing someone for a position; a name, title, or official status
Example
His designation as team leader came with additional responsibilities and authority.
Su designación como líder del equipo vino con responsabilidades adicionales y autoridad.
C1 verb /dɪˈkraɪ/

decry

denunciar
Meaning
to publicly criticize or express strong disapproval of something
Example
Many activists decry the destruction of the rainforest.
Muchos activistas condenan la destrucción de la selva tropical.
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 /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 adjective /dɪˈfʌŋkt/

defunct

fuera de servicio, desaparecido
Meaning
No longer existing, operating, or functioning.
Example
The company became defunct after the financial crisis.
La empresa se volvió defunta después de la crisis financiera.
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 adjective /dɪˈʃɛvəld/

disheveled

desordenado
Meaning
Untidy, messy, or in disorder, especially of hair or clothing.
Example
He arrived with disheveled hair and wrinkled clothes.
Él llegó con el cabello desordenado y la ropa arrugada.
C1 verb /daɪˈɡrɛs/

digress

apartarse temporalmente del tema 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.
El profesor comenzó a digresar del tema principal de la conferencia.
C1 noun /dɪˈten.ʃən/

Detention

detención; prisión temporal
Meaning
the action of detaining someone or being detained in official custody
Example
The student received detention for repeatedly disrupting the class.
El estudiante recibió detención por interrumpir repetidamente la clase.
C1 adjective /dɪˈmɛntɪd/

demented

demente / irracional
Meaning
behaving irrationally due to mental illness or extreme excitement
Example
He looked demented after hearing the shocking news.
Se veía demente después de escuchar la noticia impactante.
C1 noun /deɪˈbɑː.kəl/

debacle

debacle
Meaning
A sudden and ignominious failure; a fiasco.
Example
The company's poor management led to a financial debacle.
La mala gestión de la empresa condujo a un debacle financiero.
C1 adjective /dɪˈraɪsɪv/

derisive

despectivo
Meaning
Expressing contempt or ridicule.
Example
She gave a derisive laugh at his attempt to sing.
Ella dio una risa despectiva ante su intento de cantar.
C1 adjective /ˈdɒɡɪd/

dogged

tenaz
Meaning
showing stubborn determination and persistence
Example
She succeeded through dogged determination.
Ella tuvo éxito gracias a su tenaz determinación.
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 /dɪˈmoʊt/

demote

degradar
Meaning
to reduce to a lower rank or position
Example
The manager decided to demote the employee for poor performance.
El gerente decidió degradar al empleado por su bajo rendimiento.
C1 noun /ˈded.lɑk/

Dead-lock

bloqueo; estancamiento
Meaning
a situation in which no progress is possible; complete standstill
Example
The negotiations reached a deadlock when neither side would compromise.
Las negociaciones llegaron a un bloqueo cuando ninguna de las partes estuvo dispuesta a ceder.
C1 verb /ˌdɪsəˈlaʊ/

disallow

desautorizar
Meaning
to refuse to allow or accept something
Example
The referee disallowed the goal for offside.
El árbitro desautorizó el gol por fuera de lugar.
C1 noun ˈdɪk.ʃən

diction

pronunciación y elección de palabras
Meaning
The style of pronunciation and word choice in speaking or writing.
Example
A strong diction enhances communication skills.
Una dicción fuerte mejora las habilidades de comunicación.
C1 verb /dɪˈfeɪm/

defame

difamar
Meaning
to harm someone's reputation by spreading false information
Example
He was defamed by malicious rumors.
Él fue difamado por rumores maliciosos.
C1 verb /dɪˈsɛləˌreɪt/

decelerate

desacelerar
Meaning
to reduce speed; to slow down
Example
The car began to decelerate as it approached the traffic light.
El coche comenzó a desacelerar al acercarse al semáforo.
C1 adjective /dɪˈreɪndʒd/

deranged

loco
Meaning
mentally disturbed or insane; behaving irrationally
Example
The deranged man shouted nonsense in the street.
El hombre loco gritó tonterías en la calle.
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 /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 adjective /diːˈsɛntrəlaɪzd/

decentralized

descentralizado
Meaning
Controlled by several local offices or authorities rather than one single one.
Example
The decentralized system allowed for more control at local levels.
El sistema descentralizado permitió un mayor control a nivel local.
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 verb /diːm/

deem

considerar, juzgar
Meaning
to regard or consider in a specified way
Example
The project was deemed a success by the board.
El proyecto fue considerado un éxito por la junta.
C1 adjective /dɪˈsɪd.ju.əs/

deciduous

deciduo
Meaning
Referring to trees that shed their leaves seasonally, typically in autumn.
Example
Oak and maple trees are deciduous, shedding leaves in autumn.
Los árboles de roble y arce son deciduos, perdiendo sus hojas en otoño.
C1 noun /ˌdɒmɪˈneɪʃən/

domination

dominación
Meaning
the exercise of control or influence over someone or something
Example
The empire sought domination over its neighbors.
El imperio buscaba dominación sobre sus vecinos.
C1 noun /ˌdiː.viˈeɪ.ʃən/

Deviation

desviación; alejamiento de una ruta establecida
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.
Cualquier desviación del procedimiento establecido debe ser reportada de inmediato.
C1 verb /ˌdɪsəˈsɛmbəl/

disassemble

desarmar
Meaning
To take apart something into its separate pieces.
Example
He had to disassemble the computer to repair it.
Él tuvo que desarmar la computadora para repararla.
C1 adjective dɒɡˈmæt.ɪk

dogmatic

dogmático
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.
Su enfoque dogmático en política hizo que las discusiones fueran difíciles.
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 adjective /dɪsˈdʒɔɪntɪd/

disjointed

desordenado
Meaning
Lacking order, coherence, or connection; disconnected.
Example
The movie felt disjointed and hard to follow.
La película se sintió desordenada y difícil de seguir.
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 /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 noun /ˈdrɛsˌmeɪkər/

dressmaker

modista
Meaning
A person who makes or alters women's clothing professionally.
Example
The dressmaker crafted a beautiful gown for the bride.
La modista confeccionó un hermoso vestido para la novia.
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 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 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 noun /ˌdɪsbɪˈliːvər/

disbeliever

incrédulo
Meaning
a person who does not believe in something, especially a religion or idea
Example
He was called a disbeliever for rejecting the traditional faith.
Lo llamaron incrédulo por rechazar la fe tradicional.
C1 noun /ˈdɪŋɡi/

dinghy

bote pequeño
Meaning
a small boat, often carried or towed by a larger vessel, used for short trips or as a lifeboat
Example
They rowed the dinghy back to the yacht.
Remaron el bote de remos de vuelta al yate.
C1 noun /ˈdel.ɪ.kə.si/

Delicacy

delicadeza; un alimento delicado o costoso;
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.
El chef preparó una delicadeza local que era famosa en toda la región.
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 /dɪsˈkwɑːlɪfaɪ/

disqualify

descalificar
Meaning
to officially prevent someone from participating or being eligible
Example
The referee decided to disqualify the player for cheating.
El árbitro decidió descalificar al jugador por hacer trampa.
C1 adjective /dɪˈpreɪvd/

depraved

depravado
Meaning
morally corrupt or wicked
Example
The film depicts the life of a depraved criminal.
La película describe la vida de un criminal depravado.
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 ˈdɛtrɪ.mənt

detriment

perjuicio, daño, detrimento
Meaning
Harm, damage, impairment.
Example
Smoking is a detriment to health.
Fumar es un detrimento para la salud.
C1 noun /djuːn/

dune

duna
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.
Los niños jugaban en la duna de arena junto a la playa.
C1 noun /djuːˈɛt/

duet

dúo
Meaning
a musical performance by two singers or instrumentalists
Example
They sang a beautiful duet together on stage.
Cantaron un hermoso dúo juntos en el escenario.
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 adjective /dɪˈɡreɪdɪd/

degraded

degradado
Meaning
Reduced in quality, dignity, or condition.
Example
The villagers were forced to live in degraded conditions.
Los aldeanos fueron obligados a vivir en condiciones degradadas.
C1 noun /ˌdɛsɪˈmeɪʃən/

decimation

destrucción masiva
Meaning
The act of destroying or killing a large proportion of something.
Example
The decimation of the city left thousands homeless.
La destrucción masiva de la ciudad dejó a miles de personas sin hogar.
C1 noun /dɪˈsiːt/

Deceit

engaño; fraude; mentira
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.
Su engaño fue descubierto cuando la verdad sobre sus calificaciones salió a la luz.
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 /ˈdræm.ə.tɪst/

dramatist

dramaturgo
Meaning
a person who writes plays
Example
Shakespeare is one of the greatest dramatists in history.
Shakespeare es uno de los dramaturgos más grandes de la historia.
C1 noun /ˈdrɪz.əl/

Drizzle

llovizna
Meaning
light rain falling in very fine drops; a very light rainfall
Example
The gentle drizzle continued throughout the morning, making everything misty.
La suave llovizna continuó durante toda la mañana, haciendo que todo se viera nebuloso.
C1 adjective /ˈdaʊ.ər/

dour

severo
Meaning
relentlessly severe, stern, or gloomy in manner or appearance
Example
His dour expression made the meeting uncomfortable.
Su expresión severa hizo que la reunión fuera incómoda.
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 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 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 noun /dɪsˈɪntrəst/

disinterest

desinterés
Meaning
lack of interest or concern
Example
His disinterest in the project was obvious.
Su desinterés en el proyecto era obvio.
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 verb /diːˈfɒrɪst/

deforest

desforestar
Meaning
to clear an area of trees, usually on a large scale
Example
The region has been heavily deforested for agriculture.
La región ha sido deforestada en gran medida para la agricultura.
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 /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 noun ˌdɪs.æmˌbɪɡ.juˈeɪ.ʃən

disambiguation

desambiguación
Meaning
The removal of ambiguity by making something clear and unambiguous.
Example
The AI system applies disambiguation to refine text understanding.
El sistema de IA aplica la disambiguación para refinar la comprensión del texto.
C1 adjective /dɪˈspɜːrst/

dispersed

disperso
Meaning
Scattered or spread across a wide area.
Example
The dispersed population made it difficult to provide public services.
La población dispersa dificultó la prestación de servicios públicos.
C1 adjective /dɪˈspɒndənt/

despondent

desalentado
Meaning
feeling or showing deep hopelessness or discouragement
Example
She felt despondent after losing her job.
Ella se sintió desalentada después de perder su trabajo.
C1 noun dɪˈskrep.ən.siz

discrepancies

discrepancia
Meaning
Differences between things that should be the same
Example
Discrepancies in regulations delay progress.
Las discrepancias en las regulaciones retrasan el progreso.
C1 verb /ˌdɪsˈmaʊnt/

dismount

bajarse
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.
El jinete se bajó del caballo después de un largo viaje.
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 ˈdɛf.ər.əns

deference

deferencia
Meaning
Humble submission and respect.
Example
He showed deference to his elderly mentor.
Él mostró deferencia hacia su mentor mayor.
C1 noun /ˈdjuːplɛks/

duplex

casa dúplex
Meaning
A house or apartment divided into two separate residences.
Example
They live in a duplex near the city center.
Viven en un dúplex cerca del centro de la ciudad.
C1 verb /dɪsˈhɑːrtn/

dishearten

desanimar
Meaning
to cause someone to lose determination or confidence; to discourage
Example
The constant rejection letters began to dishearten the young writer.
Las cartas de rechazo constantes comenzaron a desanimar al joven escritor.
C1 verb /dɪˈbɑːr/

debar

prohibir
Meaning
To officially prevent someone from doing something.
Example
He was debarred from entering the competition due to cheating.
Fue descalificado de la competencia debido al engaño.
C1 verb /doʊt/

dote

consentir
Meaning
to show excessive love or fondness for someone or something
Example
She tends to dote on her grandchildren.
Ella tiende a consentir a sus nietos.
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 verb /daʊs/

douse

apagar / verter
Meaning
to pour liquid over; to extinguish a fire or light
Example
Firefighters doused the flames with water.
Los bomberos apagaron las llamas con agua.
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 noun /ˈdɒɡmə/

dogma

dogma
Meaning
A principle or set of principles laid down by an authority as incontrovertibly true.
Example
The religious leader strictly adhered to traditional dogma.
El líder religioso se adhirió estrictamente al dogma tradicional.
C1 noun /ˈdæɡ.ər/

Dagger

daga
Meaning
a short knife with a pointed blade used as a weapon
Example
The ancient warrior carried a silver dagger.
El guerrero antiguo llevaba una daga de plata.
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 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 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 /dɪˌnɒmɪˈneɪʃən/

denomination

denominación, valor
Meaning
a recognized autonomous branch of the Christian Church; a unit of value or currency
Example
The church belongs to a Protestant denomination.
La iglesia pertenece a una denominación protestante.
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 adjective ˈdɔːn.tɪŋ

daunting

intimidante o desafiante
Meaning
Something that seems intimidating or challenging.
Example
The task seemed daunting, but she completed it successfully.
La tarea parecía intimidante, pero ella la completó con éxito.
C1 noun /diːˌtɒksɪfɪˈkeɪʃən/

detoxification

desintoxicación
Meaning
The process of removing toxic substances from a living organism.
Example
Detoxification helps to cleanse the body of harmful substances.
La detoxificación ayuda a limpiar el cuerpo de sustancias dañinas.
C1 verb /dɛlv/

delve

investigar a fondo
Meaning
To investigate deeply; to dig into a subject or area.
Example
The researcher delved into ancient manuscripts to find clues.
El investigador investigó a fondo los manuscritos antiguos para encontrar pistas.
C1 verb /dɪsˈbænd/

disband

disolver
Meaning
to break up and stop functioning as a group or organization
Example
The club decided to disband after twenty years of activity.
El club decidió disolverse después de veinte años de actividad.
C1 verb /ˈdɛnɪˌɡreɪt/

denigrate

denigrar
Meaning
to criticize unfairly; to belittle or disparage someone or something
Example
He was quick to denigrate the achievements of his colleagues.
Él fue rápido para denigrar los logros de sus colegas.
C1 adjective /dɪsˈkwaɪətɪŋ/

disquieting

perturbador
Meaning
Causing worry, unease, or anxiety.
Example
The news report was deeply disquieting to the public.
El informe de noticias fue profundamente perturbador para el público.
C1 noun /dɪˈvaɪzər/

divisor

divisor
Meaning
A number by which another number is divided.
Example
In the equation 12 ÷ 3, the number 3 is the divisor.
En la ecuación 12 ÷ 3, el número 3 es el divisor.
C1 noun /ˈduːmz.deɪ/

Doomsday

el día del juicio final; el día del fin del mundo
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.
El predicador habló sobre el día del juicio final y la importancia de prepararse espiritualmente.
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 noun /ˈdɑːrwɪnɪzəm/

darwinism

darwinismo
Meaning
the theory of biological evolution developed by Charles Darwin, emphasizing natural selection
Example
Darwinism revolutionized the way scientists understood the origin of species.
El darwinismo revolucionó la forma en que los científicos entendían el origen de las especies.
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 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 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 verb /ˈdæŋɡəl/

dangle

colgar
Meaning
to hang loosely or swing freely
Example
The keys dangled from his belt.
Las llaves colgaban de su cinturón.
C1 verb /daɪˈvɜːrdʒ/

diverge

divergir
Meaning
to separate and go in different directions; to differ
Example
The two paths diverge at the fork in the road.
Los dos caminos se separan en la bifurcación de la carretera.
C1 adjective /dɪˈfɪʃənt/

Deficient

deficiente
Meaning
not having enough of a specified quality or ingredient; lacking or inadequate
Example
His diet was deficient in essential vitamins.
Su dieta era deficiente en vitaminas esenciales.
C1 noun /dɪˈfɪʃ.ən.si/

Deficiency

deficiencia; falta; insuficiencia
Meaning
a lack or shortage of something; inadequacy or insufficiency
Example
The doctor diagnosed a vitamin D deficiency in the patient's blood test.
El doctor diagnosticó una deficiencia de vitamina D en la prueba de sangre del paciente.
C1 noun /ˈdɑː.mə.saɪl/

domicile

domicilio
Meaning
A person's legal residence or permanent home.
Example
He declared Canada as his legal domicile.
Él declaró a Canadá como su domicilio legal.
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 noun dɪˈdʒɛnəˌreɪtɪv dɪˈzizɪz

degenerative diseases

enfermedades degenerativas
Meaning
Medical conditions that involve the deterioration or progressive decline of tissues, organs, or functions
Example
Degenerative diseases are common in an aging population.
Las enfermedades degenerativas son comunes en una población envejecida.