aberrant
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C2 adjective /ˈæb.ə.rənt/

aberrant

anómalo
Meaning
deviating from what is normal or expected; abnormal
Example
His aberrant behavior shocked everyone at the meeting.
Su comportamiento anómalo sorprendió a todos en la reunión.
C2 noun /ˈæf.ə.rɪ.zəm/

aphorism

aforismo
Meaning
a short, witty saying that expresses a general truth or principle
Example
He began his speech with an aphorism about life and success.
Él comenzó su discurso con un aforismo sobre la vida y el éxito.
C2 adjective /ˈæstrəl/

astral

astral
Meaning
Relating to the stars or to spiritual, non-physical realms.
Example
Some believe in astral projection, the ability to leave the body and travel spiritually.
Algunas personas creen en la proyección astral, la capacidad de abandonar el cuerpo y viajar espiritualmente.
C2 noun /ˌækwəˈpɒnɪks/

aquaponics

acuaponia
Meaning
A system of aquaculture in which the waste produced by farmed fish or other aquatic animals supplies nutrients for plants grown hydroponically.
Example
Aquaponics efficiently utilizes water by integrating fish and plant farming.
La acuaponia utiliza el agua de manera eficiente integrando la cría de peces y el cultivo de plantas.
C2 noun /ˌænθrəpəˈsɛntrɪzəm/

anthropocentrism

antropocentrismo
Meaning
The belief that human beings are the most important or central element of existence.
Example
Anthropocentrism often shapes environmental policies.
El antropocentrismo a menudo da forma a las políticas medioambientales.
C2 noun /əkˈsɛʃən/

accession

acceso al trono / aceptación de un tratado
Meaning
the attainment of a position of rank or power, especially a monarch or president; the formal acceptance of an agreement or treaty
Example
The king's accession to the throne was celebrated with great ceremony.
La ascensión del rey al trono fue celebrada con gran ceremonia.
C2 noun /ˈɔːrɪkl̩/

auricle

parte externa del oído
Meaning
The external part of the ear; also an upper chamber of the heart in anatomy.
Example
The doctor examined the patient’s auricle for signs of infection.
El doctor examinó la parte externa del oído del paciente en busca de signos de infección.
C2 noun /əˈnæθəmə/

anathema

anatema / cosa condenada
Meaning
something or someone intensely disliked or strongly condemned
Example
Violence is anathema to her peaceful nature.
La violencia es anatema para su naturaleza pacífica.
C2 adjective /ˈæmbjələˌtɔːri/

ambulatory

ambulatorio
Meaning
Relating to or able to walk; relating to outpatient medical care.
Example
The patient is ambulatory and does not require bed rest.
El paciente está ambulatorio y no requiere reposo en cama.
C2 verb /æbˈdʒʊər/

abjure

abjurar
Meaning
to formally renounce or give up a belief, cause, or claim
Example
He abjured his allegiance to the old regime.
Él renunció a su lealtad al viejo régimen.
C2 noun /ˌeɪd də ˈkæmp/

aide-de-camp

oficial militar que actúa como asistente confidencial de un oficial superior
Meaning
A military officer acting as a confidential assistant to a senior officer.
Example
The general was accompanied by his aide-de-camp during the ceremony.
El general estuvo acompañado por su aide-de-camp durante la ceremonia.
C2 noun /ˈɔːriˌoʊl/

aureole

aureola
Meaning
A halo or radiance surrounding the head or body, often in religious art.
Example
The painting showed the saint with an aureole around his head.
La pintura mostró al santo con un aureól alrededor de su cabeza.
C2 noun /əˈdɛpt.nəs/

adeptness

destreza y habilidad
Meaning
Skill and dexterity in a task.
Example
His adeptness in negotiations helped close the deal successfully.
Su destreza en las negociaciones ayudó a cerrar el trato con éxito.
C2 noun /əˈbaɪdəns/

abidance

cumplimiento
Meaning
the act of following, accepting, or complying with something
Example
Her abidance by the rules impressed the committee.
Su cumplimiento de las reglas impresionó al comité.
C2 adjective /ˌæktʃuˈɛəriəl/

actuarial

actuarial
Meaning
Relating to actuaries or their work of analyzing financial risk and uncertainty, especially in insurance and pensions.
Example
The company relied on actuarial reports to set insurance premiums.
La empresa confió en los informes actuariales para fijar las primas de seguros.
C2 adjective /əˈkjuː.zəˌtɔːr.i/

accusatory

acusatorio
Meaning
Suggesting blame or indicating someone has done wrong.
Example
He gave her an accusatory glance.
Él le dio una mirada acusatoria.
C2 noun /ˌæŋɡləˈfoʊbiə/

anglophobia

anglofobia
Meaning
Dislike or fear of England, English people, or English culture.
Example
The politician was accused of promoting Anglophobia in his speeches.
El político fue acusado de promover la anglofobia en sus discursos.
C2 verb /əˈɡræn.daɪz/

aggrandize

engrandecer
Meaning
To increase the power, wealth, or importance of a person or entity.
Example
The politician tried to aggrandize himself through exaggerated claims.
El político trató de engrandecerse a sí mismo a través de afirmaciones exageradas.
C2 noun /ˌæk.wiˈes.əns/

acquiescence

acuerdo tácito
Meaning
The reluctant acceptance of something without protest.
Example
His silent acquiescence to unfair rules was surprising.
Su silencioso acuerdo tácito con las reglas injustas fue sorprendente.
C2 noun /ˈæltruɪst/

altruist

altruista
Meaning
a person who has an unselfish concern for the welfare of others
Example
He is an altruist who always puts others' needs before his own.
Él es un altruista que siempre pone las necesidades de los demás antes que las suyas propias.
C2 noun /ˈɑːrtɪfɪs/

artifice

artificio
Meaning
clever or cunning devices or tricks used to deceive others
Example
The politician's charm was nothing but artifice.
El encanto del político no era más que artificio.
C2 noun /əˈkʌmpənɪst/

accompanist

acompañante
Meaning
A person who plays a musical instrument to support a singer or another musician.
Example
The pianist served as the accompanist for the singer during the concert.
El pianista actuó como acompañante del cantante durante el concierto.
C2 verb /əbˈhɔːr/

abhor

aborrecer
Meaning
to regard with disgust and hatred
Example
She abhors cruelty to animals.
Ella aborrece la crueldad hacia los animales.
C2 verb /ˈæbnɪˌɡeɪt/

abnegate

renunciar
Meaning
to deny or renounce something, especially a right or desire
Example
She chose to abnegate her personal interests for the sake of the team.
Ella eligió renunciar a sus intereses personales por el bien del equipo.
C2 noun /ˌɔːltərˈkeɪʃən/

altercation

altercado, pelea
Meaning
a noisy argument or quarrel
Example
There was a brief altercation between the two drivers.
Hubo una breve altercación entre los dos conductores.
C2 noun əˌten.juˈeɪ.ʃən

attenuation

atenuación, reducción, debilitamiento
Meaning
The reduction of the force, effect, or value of something.
Example
The attenuation of sound waves affects communication.
La atenuación de las ondas sonoras afecta la comunicación.
C2 noun /ˈɑːrbərɪˌkʌltʃər/

arboriculture

arboricultura
Meaning
the cultivation and management of trees and shrubs
Example
He studied arboriculture to improve urban green spaces.
Estudió arboricultura para mejorar los espacios verdes urbanos.
C2 adjective /ˌæd.vɛnˈtɪʃ.əs/

adventitious

accidental
Meaning
Happening by chance or accident, not planned.
Example
His success was partly due to adventitious circumstances.
Su éxito se debió en parte a circunstancias accidentales.
C2 noun /ˈæp.ɪˌkʌl.tʃər/

apiculture

apicultura
Meaning
The practice of keeping and raising bees for honey and other products.
Example
Apiculture plays a vital role in agriculture by supporting pollination.
La apicultura juega un papel vital en la agricultura al apoyar la polinización.
C2 noun əˈlæk.rə.t̬i

alacrity

disposición rápida y alegre
Meaning
Brisk and cheerful readiness.
Example
He accepted the challenge with alacrity.
Aceptó el desafío con alacridad.
C2 adjective /ˌæk.si.əˈmæt.ɪk/

axiomatic

autoevidente, obviamente cierto sin necesidad de prueba
Meaning
Self-evident, obviously true without need for proof
Example
It is axiomatic that hard work leads to success.
Es autoevidente que el trabajo duro conduce al éxito.
C2 verb /əˈbɑː.mə.neɪt/

abominate

abominar
Meaning
to feel hatred or loathing for something
Example
She abominates cruelty to animals.
Ella abomina la crueldad hacia los animales.
C2 verb /ˈæmbl/

amble

caminar despacio
Meaning
To walk at a slow, relaxed pace.
Example
They amble through the park on Sunday mornings.
Ellos caminan despacio por el parque los domingos por la mañana.
C2 verb /əˈsɛvəˌreɪt/

asseverate

aseverar
Meaning
to affirm or declare positively and earnestly
Example
He asseverated that he had never seen the man before.
Él afirmó que nunca había visto al hombre antes.
C2 adjective /ˈæprəbəˌtɔːri/

approbatory

aprobatorio
Meaning
expressing approval or praise
Example
The teacher gave an approbatory nod after reading the essay.
El maestro asintió con la cabeza de manera aprobatoria después de leer el ensayo.
C2 verb əˈmiːljəreɪt

ameliorate

mejorar, perfeccionar
Meaning
To make better; improve or enhance something.
Example
The new policies are designed to ameliorate living conditions.
Las nuevas políticas están diseñadas para mejorar las condiciones de vida.
C2 adjective /ˌævəˈrɪʃəs/

avaricious

codicioso
Meaning
having or showing extreme greed for wealth or material gain
Example
The avaricious landlord increased the rent unfairly.
El codicioso propietario aumentó el alquiler de manera injusta.
C2 noun /əˈdʌltərənt/

adulterant

adulterante
Meaning
a substance added to something else, often food or drink, to reduce its quality or strength
Example
The laboratory found an adulterant in the milk samples.
El laboratorio encontró un adulterante en las muestras de leche.
C2 verb /ˈærəˌɡeɪt/

arrogate

apropiarse injustamente
Meaning
To claim or take something without justification.
Example
The dictator arrogated all powers to himself.
El dictador se apropió injustamente de todos los poderes para él mismo.
C2 adjective /əˈbɑː.mə.nə.bəl/

abominable

abominable
Meaning
causing moral revulsion; extremely unpleasant
Example
The prisoners were kept in abominable conditions.
Los prisioneros fueron mantenidos en condiciones abominables.
C2 adjective /ˈæməˌtɔːri/

amatory

relacionado con el amor
Meaning
Relating to or expressing sexual love.
Example
The poet’s verses were filled with amatory themes.
Los versos del poeta estaban llenos de temas amorosos.
C2 verb /ˌænɪmədˈvɜːt/

animadvert

criticar
Meaning
To comment critically or unfavorably.
Example
The teacher animadverted on the student's careless mistakes.
El maestro criticó los errores descuidados del estudiante.
C2 noun /əˈmæl.ɡəm/

amalgam

mezcla
Meaning
a mixture or blend of different things
Example
The new policy is an amalgam of several previous laws.
La nueva política es una mezcla de varias leyes anteriores.
C2 noun /ˈɛəri/

aerie

nido de águila
Meaning
A large nest of a bird of prey, especially an eagle, typically built high in a tree or on a cliff.
Example
The eagle built its aerie on the high cliff.
El águila construyó su nido en el alto acantilado
C2 adjective /ɑːrˈbɔːr.i.əl/

arboreal

relativo a los árboles
Meaning
Relating to trees or living in trees; tree-dwelling.
Example
Monkeys are arboreal animals that spend most of their time in trees.
Los monos son animales arbóreos que pasan la mayor parte de su tiempo en los árboles.
C2 verb /əˈɡlɒməˌreɪt/

agglomerate

aglutinar
Meaning
To collect or form into a mass or group.
Example
The dust particles began to agglomerate into larger clusters.
Las partículas de polvo comenzaron a aglomerarse en grupos más grandes.
C2 adjective /ˌæpəˈplɛktɪk/

apoplectic

apoplético
Meaning
Extremely angry; furious.
Example
He was apoplectic when he heard about the unfair decision.
Estaba apoplético cuando escuchó sobre la decisión injusta.
C2 adjective əˈdrɔɪt

adroit

habilidoso, astuto, hábil
Meaning
clever or skillful in using the hands or mind.
Example
She is adroit at solving complex problems.
Ella es hábil para resolver problemas complejos.
C2 noun /əˌbɑː.məˈneɪ.ʃən/

abomination

abominación
Meaning
a thing that causes disgust or hatred
Example
Slavery was considered an abomination.
La esclavitud fue considerada una abominación.
C2 noun ˌæb.əˈreɪ.ʃən

aberration

aberración, desviación, anomalía
Meaning
A departure from what is normal, usual, or expected, typically one that is unwelcome.
Example
The scientist dismissed the data as an aberration.
El científico desestimó los datos como una aberración.
C2 adjective /æbˈhɔːr.ənt/

Abhorrent

aborrecible; repugnante
Meaning
extremely unpleasant and causing disgust; detestable
Example
The idea of animal cruelty is abhorrent to most people.
La idea de la crueldad animal es aborrecible para la mayoría de la gente.
C2 adjective /əˈɡɒɡ/

agog

emocionado
Meaning
Highly excited by eagerness, curiosity, or anticipation.
Example
The children were agog with excitement as they waited for the magician to appear.
Los niños estaban muy emocionados mientras esperaban que apareciera el mago.
C2 noun əˈdrɔɪt.nəs

adroitness

destreza
Meaning
Cleverness or skill, especially in using the hands or mind; skillful dexterity.
Example
His adroitness in negotiations secured the deal.
Su destreza en las negociaciones aseguró el trato.
C2 verb əˈtɛn.ju.eɪt

attenuate

atenuar
Meaning
To reduce the force, effect, or value of something; to make weak or thin.
Example
The medicine helps attenuate the pain.
La medicina ayuda a atenuar el dolor.
C2 noun /ˈækmi/

acme

cima
Meaning
the highest point of achievement or excellence
Example
Winning the award was the acme of his career.
Ganar el premio fue la cima de su carrera.
C2 noun, verb /əˈfrʌnt/

affront

afrenta
Meaning
An action or remark that causes outrage or offense.
Example
He took her criticism as a personal affront.
Él tomó su crítica como una afrenta personal.
C2 noun /ˌæk.rəˈfoʊ.bi.ə/

acrophobia

miedo a las alturas
Meaning
An extreme or irrational fear of heights.
Example
Her acrophobia prevented her from climbing the tall building.
Su acrofobia le impidió subir al edificio alto.
C2 noun /əˈfeɪ.ʒə/

aphasia

afasia
Meaning
a medical condition that causes loss of ability to speak or understand language
Example
After the stroke, she was diagnosed with aphasia.
Después del derrame cerebral, le diagnosticaron afasia.
C2 noun ˈɔː.tɑː.ki

autarky

autarquía, autosuficiencia
Meaning
Economic independence or self-sufficiency; a policy of establishing a self-sufficient national economy.
Example
Some nations aim for autarky to reduce reliance on imports.
Algunas naciones buscan la autarquía para reducir la dependencia de las importaciones.
C2 verb /əˈvʌls/

avulse

arrancar
Meaning
to tear away or separate forcibly, especially in medical or geological contexts
Example
The surgeon had to avulse the damaged tissue during the operation.
El cirujano tuvo que arrancar el tejido dañado durante la operación.
C2 noun /əˈstɪɡmətɪzəm/

astigmatism

astigmatismo
Meaning
An eye defect causing blurred vision due to irregular curvature of the cornea or lens.
Example
She wears glasses to correct her astigmatism.
Ella usa gafas para corregir su astigmatismo.
C2 verb /əˈlɪtəreɪt/

alliterate

utilizar aliteración
Meaning
to repeat the same consonant sound at the beginning of words in a phrase or sentence
Example
The poet often alliterates words to create rhythm.
El poeta a menudo alitera palabras para crear ritmo.
C2 noun /əˈbeɪəns/

abeyance

suspensión temporal
Meaning
a state of temporary suspension or inactivity
Example
The project was held in abeyance until funds became available.
El proyecto fue suspendido hasta que los fondos estuvieran disponibles.
C2 noun /əˈluː.vi.əm/

alluvium

aluvión
Meaning
Fertile soil deposited by flowing water, especially in riverbanks.
Example
The alluvium in riverbanks is highly fertile for agriculture.
El aluvión en las orillas de los ríos es muy fértil para la agricultura.
C2 adjective ˌeə.rəʊˈstæt.ɪk

aerostatic

aerostático
Meaning
Relating to or involving gases (especially air) in equilibrium and the equilibrium of balloons or aircraft under the influence of such gases.
Example
Aerostatic designs ensure stability at high altitudes.
Los diseños aerostáticos aseguran estabilidad a grandes altitudes.
C2 noun /ˈæntiruːm/

anteroom

antesala
Meaning
A small room leading to a main one, often used as a waiting area.
Example
The guests waited in the anteroom before being called inside.
Los invitados esperaron en la antesala antes de ser llamados adentro.
C2 adjective /əˈpɜːrtənənt/

appurtenant

pertinente
Meaning
Belonging to or associated with something, often used in legal/property contexts.
Example
The right of way is appurtenant to the landowner’s property.
El derecho de paso es pertinente a la propiedad del propietario.
C2 noun /əˈfreɪ/

affray

pelea pública
Meaning
A public fight or noisy disturbance that causes alarm.
Example
The police were called to break up an affray outside the stadium.
La policía fue llamada para romper una pelea afuera del estadio.
C2 noun /ˌænəlˈdʒiːziə/

analgesia

analgesia
Meaning
The inability to feel pain while still conscious.
Example
The doctor induced analgesia before performing the procedure.
El doctor indujo la analgesia antes de realizar el procedimiento.
C2 noun /əˈkriːʃən/

accretion

acreción
Meaning
The process of growth or increase, typically by the gradual accumulation of additional layers or matter.
Example
The accretion of wealth allowed him to invest in various projects.
La acumulación de riqueza le permitió invertir en varios proyectos.
C2 adverb /əˈsɪdʒuəsli/

assiduously

asiduamente
Meaning
with great care and persistence
Example
He worked assiduously to complete the project before the deadline.
Trabajó asiduamente para completar el proyecto antes de la fecha límite.
C2 adjective /ˌækwiˈɛsənt/

acquiescent

sumiso
Meaning
ready to accept something without protest, or to do what someone else wants
Example
He gave an acquiescent smile and agreed to the plan.
Él dio una sonrisa sumisa y aceptó el plan.
C2 noun /ˌæpəˈzɪʃən/

apposition

aposición (gramática paralela)
Meaning
a grammatical construction in which two elements are placed side by side, with one explaining the other
Example
In the phrase 'my friend John,' the word 'John' is in apposition to 'my friend.'
En la frase 'mi amigo Juan', la palabra 'Juan' está en aposición a 'mi amigo'.
C2 noun /ˈæl.baɪt/

albite

albita
Meaning
A white or colorless mineral of the feldspar group, often found in igneous rocks.
Example
Geologists discovered albite crystals in the rock sample.
Los geólogos descubrieron cristales de albita en la muestra de roca.
C2 noun /əˈluːviən/

alluvion

aluvión
Meaning
The gradual increase of land by the deposit of soil from water; also, a flood or overflow of water.
Example
The river’s alluvion added new fertile land to the village fields.
El aluvión del río añadió nueva tierra fértil a los campos del pueblo.
C2 noun /ˈiːɒn/ or /ˈiːən/

aeon

eón
Meaning
An indefinitely long period of time; an age or eternity.
Example
Dinosaurs roamed the Earth millions of aeons ago.
Hace millones de eones que los dinosaurios vagaban por la Tierra.
C2 verb /ˌæd ˈlɪb/

ad-lib

decir improvisado
Meaning
to speak or perform without preparation; to improvise
Example
The comedian ad-libbed a joke when the microphone failed.
El comediante improvisó un chiste cuando el micrófono falló.
C2 adjective /ænˈhaɪdrəs/

anhydrous

anhídrido
Meaning
Containing no water.
Example
The chemist used anhydrous ammonia for the experiment.
El químico usó amoníaco anhidro para el experimento.
C2 noun əˌmæl.ɡəˈmeɪ.ʃən

amalgamation

fusión, integración, amalgama
Meaning
The action, process, or result of combining or uniting.
Example
The amalgamation of AI and big data is transforming industries.
La fusión de IA y grandes datos está transformando las industrias.
C2 adjective, adverb /əˈfʊt/

afoot

en marcha
Meaning
In progress; happening or being prepared.
Example
There are several new projects afoot in the company.
Hay varios proyectos nuevos en marcha en la empresa.
C2 verb /əˈbreɪd/

abrade

desgastar por fricción
Meaning
to scrape or wear away the surface by friction or erosion
Example
The rough cloth can easily abrade the skin.
La tela rugosa puede fácilmente desgastar la piel.
C2 noun /ænˈtɪfəni/

antiphony

antífona
Meaning
a form of music in which two or more groups or choirs sing alternately in response to each other
Example
The cathedral's architecture was designed to enhance the effect of antiphony.
La arquitectura de la catedral fue diseñada para mejorar el efecto de la antífona.
C2 noun /æbˈsɪʒən/

abscission

caída de hojas
Meaning
The natural detachment of parts of a plant, typically leaves or fruit.
Example
The autumn season is marked by the abscission of leaves from trees.
La temporada de otoño se caracteriza por la caída de hojas de los árboles.
C2 noun /ˌæprəˈbeɪʃən/

approbation

aprobación / elogio
Meaning
approval or praise
Example
The plan won the approbation of the board members.
El plan ganó la aprobación de los miembros del consejo.
C2 noun /ˌædjʊˈleɪʃən/

adulation

adulación excesiva
Meaning
excessive admiration or flattery
Example
The singer enjoyed the adulation of her fans.
La cantante disfrutó de la adulación de sus fans.
C2 noun /əˈvɪdəti/

avidity

avidez
Meaning
extreme eagerness or enthusiasm
Example
He accepted the offer with avidity.
Aceptó la oferta con avidez.
C2 verb /əˈsɪdɪfaɪ/

acidify

acidificar
Meaning
to make something acidic or more acidic
Example
Farmers worry that pollution will acidify the soil.
Los agricultores temen que la contaminación acidifique el suelo.
C2 noun /ˈiːsθiːt/ or /ˈɛsθiːt/

aesthete

esteta
Meaning
A person who has a special appreciation of art and beauty.
Example
The aesthete admired the subtle details of the painting.
El esteta admiraba los detalles sutiles de la pintura.
C2 noun /ˌæbsəˈluːʃən/

absolution

absolución
Meaning
formal release from guilt, obligation, or punishment
Example
The priest granted him absolution for his sins.
El sacerdote le concedió la absolución por sus pecados.
C2 verb /ˈæbrəɡeɪt/

abrogate

abrogar
Meaning
To formally repeal, cancel, or abolish a law, agreement, or custom.
Example
The government decided to abrogate the outdated treaty.
El gobierno decidió abrogar el tratado obsoleto.
C2 verb /əˈdʒʊər/

adjure

adjuramentar
Meaning
to urge or command someone solemnly, often under oath or a strong sense of duty
Example
The witness was adjured to tell the truth in court.
El testigo fue adjurado a decir la verdad en el tribunal.
C2 noun /ˈæl.kə.laɪ ækt/

Alkali Act

Ley de Alcalinidad
Meaning
A British law passed in 1863 to regulate the emission of hydrochloric acid gas from alkali works, representing one of the first pieces of environmental legislation.
Example
The Alkali Act of 1863 was one of the first environmental laws.
La Ley de Alcalinidad de 1863 fue una de las primeras leyes ambientales.
C2 noun /ˈæsənəns/

assonance

asonancia
Meaning
the repetition of vowel sounds in nearby words in poetry or prose
Example
The poet used assonance to create a musical effect in his verse.
El poeta usó la asonancia para crear un efecto musical en su verso.
C2 noun /ˌædʒʊˈreɪʃən/

adjuration

súplica solemne
Meaning
a solemn urging or appeal
Example
The priest made an adjuration for peace and unity.
El sacerdote hizo una súplica solemne por la paz y la unidad.
C2 noun /əˈfleɪtəs/

afflatus

inspiración divina
Meaning
a sudden divine inspiration or creative impulse
Example
The poet wrote the verses under a sudden afflatus of inspiration.
El poeta escribió los versos bajo una súbita inspiración divina.
C2 noun /ˈɔːlmənæk/

almanac

almanaque
Meaning
An annual publication containing calendars, weather forecasts, astronomical data, and other useful information.
Example
He consulted the almanac to check the phases of the moon.
Consultó el almanaque para verificar las fases de la luna.
C2 adjective /ˈæfəbəl/

affable

afable
Meaning
friendly, easy to talk to, and pleasant in manner
Example
He is such an affable host that everyone feels comfortable at his parties.
Es un anfitrión tan afable que todos se sienten cómodos en sus fiestas.
C2 adverb /əˈbɛd/

abed

en la cama
Meaning
in bed
Example
She stayed abed all day due to illness.
Se quedó en la cama todo el día debido a la enfermedad.
C2 noun /əˈsper.ɪ.ti/

asperity

asperidad
Meaning
Harshness of tone, manner, or surface.
Example
She spoke with asperity when she was interrupted.
Habló con aspereza cuando la interrumpieron.
C2 noun /əˈzeɪ.li.ə/

azalea

azalea
Meaning
a flowering shrub with brightly colored blooms, often grown ornamentally
Example
The garden was full of blooming azaleas in spring.
El jardín estaba lleno de azaleas floreciendo en primavera.
C2 noun /ˈæpəˌθɛm/

apothegm

máxima, dicho
Meaning
A short, witty, and instructive saying or maxim.
Example
His speech was filled with apothegms about life and success.
Su discurso estaba lleno de máximas sobre la vida y el éxito.
C2 noun /ˈæpəfθɛm/

apophthegm

dicho o refrán corto, ingenioso y educativo
Meaning
A short, pithy, and instructive saying or maxim.
Example
She always had a witty apophthegm to share at meetings.
Ella siempre tenía un apofema ingenioso para compartir en las reuniones.
C2 noun /ˈæsɪˌteɪt/

acetate

acetato
Meaning
a salt or ester of acetic acid; a synthetic material used in textiles and film
Example
The company produces acetate fibers for clothing.
La empresa produce fibras de acetato para ropa.
C2 verb /ˈæd.ʌm.breɪt/

adumbrate

presagiar
Meaning
to foreshadow or suggest something in an unclear or indirect way
Example
The report adumbrates future economic challenges.
El informe presagia futuros desafíos económicos.
C2 adjective /ˈæsɪnaɪn/

asinine

asinado
Meaning
Extremely foolish or stupid.
Example
It was an asinine idea to drive into the storm without checking the weather.
Fue una idea asina conducir hacia la tormenta sin revisar el clima.
C2 noun /əˈsɜːrbəti/

acerbity

acerbidad
Meaning
bitterness or sharpness of tone, manner, or taste
Example
The acerbity of his remarks left everyone silent.
La acerbidad de sus comentarios dejó a todos en silencio.
C2 noun /ænˈtɪpədiːz/

antipodes

antípodas
Meaning
places on opposite sides of the Earth; also refers to things that are direct opposites
Example
Australia and Britain are often considered antipodes of each other.
Australia y Gran Bretaña suelen considerarse antípodas entre sí.
C2 noun /ˌæv.oʊˈkeɪ.ʃən/

avocation

afición
Meaning
a hobby or minor occupation pursued in addition to one's main work
Example
Painting is his avocation after office hours.
La pintura es su afición después del horario de oficina.
C2 noun /ˈeɪ.viˌɛr.i/

aviary

aviario
Meaning
a large enclosure for keeping birds
Example
The zoo built a new aviary for exotic parrots.
El zoológico construyó un nuevo aviario para los loros exóticos.
C2 verb /ˈæpɪtaɪz/

appetize

estimular el apetito
Meaning
to stimulate the appetite; to make someone eager or interested
Example
The aroma of fresh bread will appetize the guests before dinner.
El aroma del pan fresco estimulará el apetito de los invitados.
C2 verb /əˈdjuːs/

adduce

presentar evidencia o razones
Meaning
To provide evidence or reasons to support an argument or idea.
Example
The lawyer adduced several examples to support his case.
El abogado adujo varios ejemplos para respaldar su caso.
C2 noun /əˌnʌn.siˈeɪ.ʃən/

annunciation

anuncio, buena nueva
Meaning
The announcement of something; in Christianity, the announcement by the angel Gabriel to Mary that she would conceive Jesus.
Example
The church celebrated the Feast of the Annunciation with a special service.
La iglesia celebró la fiesta de la Anunciación con un servicio especial.
C2 noun /ˈænti/

ante

apuesta inicial en un juego
Meaning
a stake put up by a player in poker or similar games before receiving cards; also used figuratively to mean an initial investment or contribution
Example
Each player placed an ante before the game began.
Cada jugador colocó una ante antes de que comenzara el juego.
C2 adjective /æbˈstruːs/

abstruse

abstruso
Meaning
Difficult to understand; obscure.
Example
The abstruse nature of the philosophical debate left many confused.
La naturaleza abstrusa del debate filosófico dejó a muchos confundidos.
C2 noun /ˈiːdʒɪs/

aegis

protección
Meaning
The protection, backing, or support of a particular person or organization.
Example
The project was carried out under the aegis of the United Nations.
El proyecto se llevó a cabo bajo el auspicio de las Naciones Unidas.
C2 adjective /ˈæk.rɪd/

Acrid

ácido y fuerte
Meaning
having a strong, unpleasant, and sharp smell or taste
Example
The acrid smoke from the fire made everyone cough.
El humo acrid del fuego hizo toser a todos.
C2 noun əˌdʌl.təˈreɪ.ʃən

adulteration

adulteración
Meaning
The action of making something poorer in quality by the addition of another substance.
Example
Adulteration of food is a serious health risk.
La adulteración de alimentos es un serio riesgo para la salud.
C2 verb /əˈbeɪs/

abase

rebajar
Meaning
to belittle or degrade someone
Example
He refused to abase himself before the king.
Él se negó a rebajarse ante el rey.
C2 verb /əˈmælɡəmeɪt/

amalgamate

amalgamar
Meaning
to combine or unite to form one organization or structure; to merge
Example
The two companies decided to amalgamate their operations.
Las dos compañías decidieron amalgamar sus operaciones.
C2 noun, adjective /ˌæntiˌspæzˈmɒdɪk/

antispasmodic

antiespasmódico
Meaning
A drug or agent that relieves or prevents muscle spasms.
Example
The doctor prescribed an antispasmodic to ease the pain.
El doctor recetó un antiespasmódico para aliviar el dolor.
C2 verb /ˌæntɪˈsiːd/

antecede

preceder
Meaning
to come before in time or order
Example
A short introduction usually antecedes the main text.
Una introducción corta generalmente antecede al texto principal.