agitate
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C1 verb /ˈædʒ.ɪ.teɪt/

agitate

agitar, provocar
Meaning
to stir up feelings or disturb; to campaign for change
Example
The protesters agitated for better working conditions.
Los manifestantes agitaron por mejores condiciones laborales.
C1 adjective /əˌpɒk.əˈlɪp.tɪk/

apocalyptic

apocalíptico
Meaning
Describing the end of the world, or something catastrophic and disastrous.
Example
The movie depicts an apocalyptic future after a nuclear war.
La película describe un futuro apocalíptico después de una guerra nuclear.
C1 adjective /ˈeɪmləs/

Aimless

sin rumbo; sin objetivo
Meaning
without purpose or direction; lacking a goal
Example
He wandered around the city in an aimless manner.
Él caminaba por la ciudad de manera sin rumbo.
C1 adjective /ˈæŋ.ɡjə.lər/

Angular

angular
Meaning
having sharp corners or edges; relating to angles
Example
The building has an angular design with sharp corners.
El edificio tiene un diseño angular con esquinas afiladas.
C1 adjective ɔːˈspɪʃ.əs

auspicious

auspicioso
Meaning
Favorable or bringing good luck and success
Example
The wedding was held on an auspicious day.
La boda se celebró en un día auspicioso.
C1 adjective /ˌɔːtəˈkrætɪk/

autocratic

autocrático
Meaning
Relating to a ruler who has absolute power and does not consult others.
Example
The manager’s autocratic style discouraged employees from sharing their ideas.
El estilo autocrático del gerente desalentó a los empleados de compartir sus ideas.
C1 noun /ˈɑːr.sən.əl/

arsenal

arsenal
Meaning
A collection or storage place for weapons and military equipment.
Example
The army kept its weapons in a secure arsenal.
El ejército mantuvo sus armas en un arsenal seguro.
C1 verb /əˈkleɪm/

acclaim

elogiar
Meaning
to praise enthusiastically and publicly
Example
The audience acclaimed the actor for his outstanding performance.
La audiencia aclamó al actor por su impresionante actuación.
C1 noun ˈæf.lu.əns

affluence

afluencia
Meaning
The state of having a great deal of money; wealth.
Example
His affluence allowed him to travel the world.
Su afluencia le permitió viajar por el mundo.
C1 adjective /ˌæprɪˈhɛnsɪv/

apprehensive

ansioso
Meaning
feeling anxious or fearful that something bad will happen
Example
He was apprehensive about starting a new job in a foreign country.
Estaba ansioso por comenzar un nuevo trabajo en un país extranjero.
C1 verb /əˈtjuːn/

attune

sintonizar
Meaning
to make someone or something aware of or responsive to something; to adjust or harmonize
Example
She quickly attuned herself to the needs of her new team.
Ella se sintonizó rápidamente con las necesidades de su nuevo equipo.
C1 adjective /əˈvɜːrs/

averse

reacio
Meaning
having a strong dislike of or opposition to something
Example
He was averse to taking unnecessary risks.
Él estaba reacio a tomar riesgos innecesarios.
C1 adjective /æbˈdɑː.mə.nəl/

abdominal

abdominal
Meaning
relating to the abdomen (the part of the body between the chest and pelvis)
Example
He complained of severe abdominal pain.
Se quejaba de un dolor abdominal severo.
C1 noun /əˈtoʊnmənt/

atonement

expiación
Meaning
the act of making amends for a wrong, sin, or injury
Example
The festival was celebrated as a day of atonement.
El festival fue celebrado como un día de expiación.
C1 verb /əˈdʒɔɪn/

adjoin

unirse
Meaning
To be next to and joined with something.
Example
Their house adjoins the park.
Su casa está unida al parque.
C1 adjective /ˈærɪd/

arid

árido
Meaning
extremely dry; lacking in interest or excitement
Example
The desert is known for its arid climate.
El desierto es conocido por su clima árido.
C1 adjective ˈɑː.dʒu.əs

arduous

arduo
Meaning
Involving or requiring strenuous effort; difficult and tiring.
Example
The trek through the mountains was an arduous journey.
La caminata por las montañas fue un viaje arduo.
C1 adjective /ədˈmɪsəbl/

admissible

admisible
Meaning
acceptable or valid, especially as evidence in a court of law
Example
The judge ruled that the document was admissible as evidence.
El juez dictaminó que el documento era admisible como prueba.
C1 noun /ˈædɪdʒ/

adage

refrán
Meaning
a short, well-known saying that expresses a general truth or piece of advice
Example
The old adage says that honesty is the best policy.
El viejo refrán dice que la honestidad es la mejor política.
C1 noun, verb /ˈɔːtɒpsi/

autopsy

autopsia
Meaning
a post-mortem examination to discover the cause of death or the extent of disease
Example
The autopsy revealed that the victim had died from poisoning.
La autopsia reveló que la víctima murió por envenenamiento.
C1 noun, adjective /ˌæntiˈsɛptɪk/

antiseptic

antiséptico
Meaning
A substance that prevents the growth of disease-causing microorganisms; clean and free from germs.
Example
The nurse applied an antiseptic to the wound.
La enfermera aplicó un antiséptico a la herida.
C1 noun /əˈsæsɪn/

Assassin

asesino
Meaning
a person who murders an important person for political or religious reasons
Example
The president was protected from potential assassins by security guards.
El presidente fue protegido de los posibles asesinos por los guardias de seguridad.
C1 verb /əˈsæsɪneɪt/

assassinate

asesinar
Meaning
To murder someone important, often a political or religious leader, usually by surprise attack.
Example
The rebels planned to assassinate the king.
Los rebeldes planearon asesinar al rey.
C1 noun /ˈɑːrməri/

armory

arsenal
Meaning
A place where weapons are stored; a supply of resources or skills.
Example
The soldiers kept their weapons in the armory.
Los soldados guardaron sus armas en el arsenal.
C1 noun /ˌævɒ̃ˈɡɑːrd/

avantgarde

vanguardia
Meaning
people or works that are innovative, experimental, and ahead of their time
Example
The avantgarde of the 20th century reshaped modern art.
La vanguardia del siglo XX remodeló el arte moderno.
C1 adjective /ɔːˈdeɪ.ʃəs/

Audacious

audaz
Meaning
showing willingness to take bold risks; daring
Example
His audacious plan to climb the mountain without proper equipment shocked everyone.
Su plan audaz de escalar la montaña sin el equipo adecuado sorprendió a todos.
C1 noun /əˈkuːstɪks/

acoustics

acústica
Meaning
the science of sound, or the properties of a space that affect how sound is heard
Example
The hall’s excellent acoustics made the orchestra sound rich and clear.
La excelente acústica del salón hizo que la orquesta sonara rica y clara.
C1 verb /əˈbaʊnd/

abound

abundar
Meaning
To exist in large numbers or amounts.
Example
Opportunities abound in the field of technology.
Las oportunidades abundan en el campo de la tecnología.
C1 noun /ˌænɛkˈseɪʃən/

annexation

anexión
Meaning
the act of adding or taking control of territory or property, especially by a state
Example
The annexation of the region led to international condemnation.
La anexión de la región provocó condena internacional.
C1 noun /ˈɔːtəkræt/

autocrat

autócrata
Meaning
A ruler with absolute power.
Example
The autocrat controlled the country with an iron fist.
El autócrata controlaba el país con mano de hierro.
C1 noun /əˈdʒɪl.ɪ.ti/

agility

agilidad
Meaning
Ability to work quickly and easily, both physically and mentally.
Example
Mental agility is essential for problem-solving.
La agilidad mental es esencial para resolver problemas.
C1 verb /əˈmæs/

amass

acumular
Meaning
to gather together or accumulate over a period of time
Example
He managed to amass a fortune through wise investments.
Logró acumular una fortuna a través de inversiones sabias.
C1 noun /ɑːˌtɪkjʊˈleɪʃən/

articulation

expresión
Meaning
The action of putting into words an idea or feeling of a specified type.
Example
His articulation during the debate impressed everyone.
Su articulación durante el debate impresionó a todos.
C1 adjective /ˌeɪsɪˈmɛtrɪk/

asymmetric

asimétrico
Meaning
Not having equal or corresponding parts; lacking symmetry.
Example
The design of the building is asymmetric and unusual.
El diseño del edificio es asimétrico y poco común.
C1 noun /ˌæntɪˈsiːdənt/

antecedent

antecedente
Meaning
something that came before; a previous event, condition, or cause
Example
The cultural antecedents of this festival go back centuries.
Los antecedentes culturales de este festival datan de siglos atrás.
C1 noun esˈθet.ɪks

aesthetics

estética
Meaning
A set of principles concerned with the nature and appreciation of beauty, especially in art and design.
Example
Interior design focuses on aesthetics and functionality.
El diseño de interiores se centra en la estética y funcionalidad.
C1 noun /əˈstuːt.nəs/

astuteness

astucia
Meaning
The ability to accurately assess situations or people and turn this to one's advantage.
Example
His astuteness helped in negotiations.
Su astucia ayudó en las negociaciones.
C1 verb /eɪl/

ail

padecer una enfermedad
Meaning
to be ill or suffer from a physical or mental problem; to trouble or afflict
Example
She has been ailing since last winter.
Ella ha estado enferma desde el invierno pasado.
C1 noun /ˌæf.ɚˈmeɪ.ʃən/

affirmation

afirmación
Meaning
The action or process of affirming something or being affirmed; emotional support or encouragement.
Example
Daily affirmation of self-worth boosts confidence.
La afirmación diaria del autoestima aumenta la confianza.
C1 noun əˌkred.ɪˈteɪ.ʃən

accreditation

acreditación
Meaning
The action or process of officially recognizing someone or something as having a particular status or being qualified to perform a particular activity.
Example
Accreditation ensures institutional credibility.
La acreditación asegura la credibilidad institucional.
C1 adverb /ˈæmpli/

amply

ampliamente
Meaning
more than sufficiently; generously
Example
She was amply rewarded for her hard work.
Ella fue generosamente recompensada por su arduo trabajo.
C1 verb /əˈfɪks/

affix

adjuntar / pegar
Meaning
to attach or stick something firmly to another thing
Example
Please affix the stamp to the envelope.
Por favor, adjunte el sello al sobre.
C1 noun /æbˈstrækʃən/

abstraction

abstracción
Meaning
the process of forming general ideas by removing specific details; an abstract concept or idea
Example
Abstraction allows complex ideas to be represented in a simplified form.
La abstracción permite representar ideas complejas de forma simplificada.
C1 noun /ɔːˈtɒkrəsi/

autocracy

autocracia
Meaning
A system of government in which one person has absolute power.
Example
The country suffered under decades of autocracy.
El país sufrió durante décadas bajo una autocracia.
C1 noun /ˌɔːkʃəˈnɪər/

auctioneer

subastador
Meaning
a person who conducts auctions by calling out bids and selling items to the highest bidder
Example
The auctioneer quickly raised the price as bidders competed for the painting.
El subastador aumentó rápidamente el precio mientras los compradores competían.
C1 verb /əˈpiːz/

appease

apaciguar / satisfacer
Meaning
to calm or pacify someone by meeting their demands
Example
The manager tried to appease the angry customer.
El gerente intentó apaciguar al cliente enojado.
C1 verb /ɔːɡˈmɛnt/

augment

aumentar
Meaning
To increase or strengthen something.
Example
The company plans to augment its workforce.
La empresa planea aumentar su fuerza laboral.
C1 noun ˌæprɪˈhɛnʃən

apprehension

preocupación
Meaning
Anxiety or fear that something bad or unpleasant will happen.
Example
There is an apprehension about the depletion of fish stocks.
Hay preocupación por la disminución de las existencias de pescado.
C1 noun ɔːˈstɛr.ɪ.ti

austerity

austeridad
Meaning
Simple and disciplined lifestyle, avoiding luxury.
Example
The government implemented austerity measures to reduce expenses.
El gobierno implementó medidas de austeridad para reducir los gastos.
C1 noun /aɪ/

aye

sí
Meaning
an affirmative vote or expression of agreement
Example
The committee voted aye on the proposal.
El comité votó sí en la propuesta.
C1 verb /əˈdɔːrn/

adorn

adornar
Meaning
to decorate or add beauty to something
Example
The hall was adorned with flowers for the wedding.
El salón fue adornado con flores para la boda.
C1 noun /əˈflɪkʃən/

affliction

aflicción
Meaning
a state of pain, suffering, or distress
Example
Poverty is a common affliction in many parts of the world.
La pobreza es una aflicción común en muchas partes del mundo.
C1 noun ˈæŋkərɪdʒ

anchorage

ancoraje
Meaning
A secure holding place; a place where ships can anchor safely.
Example
The boat was anchored near the shore for safety.
El bote fue anclado cerca de la orilla por seguridad.
C1 adjective /ˌæpəˈθɛtɪk/

apathetic

apático
Meaning
showing or feeling little or no interest, enthusiasm, or concern
Example
He was apathetic about the outcome of the match.
Él estaba apático respecto al resultado del partido.
C1 noun /ˈeɪ.peks/

apex

ápice, cumbre, pico más alto
Meaning
The highest point or peak of something; the top or summit.
Example
He reached the apex of his career.
Él alcanzó el ápice de su carrera.
C1 adjective /ˈæʃən/

ashen

pálido
Meaning
Very pale in appearance, often due to shock, fear, or illness.
Example
His face turned ashen when he heard the terrible news.
Su rostro se volvió pálido cuando escuchó la terrible noticia.
C1 noun /əˈkʌmpənɪmənt/

accompaniment

acompañamiento
Meaning
Something that goes together with or complements another thing, often music or food.
Example
The dish was served with a spicy sauce as an accompaniment.
El plato se sirvió con una salsa picante como acompañamiento.
C1 noun /əˌsæsɪˈneɪʃən/

assassination

asesinato
Meaning
The act of killing someone important, often for political or ideological reasons.
Example
The assassination of the president shocked the nation.
El asesinato del presidente conmocionó a la nación.
C1 noun /ˈeɪ.kər.ɪdʒ/

acreage

hectárea
Meaning
An area of land measured in acres.
Example
The farmer owns a large acreage of fertile land.
El agricultor posee una gran hectárea de tierra fértil.
C1 adjective /ˌeɪsɪˈmɛtrɪkəl/

asymmetrical

asimétrico
Meaning
Having parts that are not the same in size, shape, or arrangement.
Example
She wore an asymmetrical dress that drew everyone’s attention.
Ella llevaba un vestido asimétrico que atraía la atención de todos.
C1 noun ˈæltruɪzəm

altruism

altruismo, preocupación desinteresada por el bienestar de los demás
Meaning
The belief in or practice of disinterested and selfless concern for the well-being of others.
Example
His altruism motivated others to volunteer.
Su altruismo motivó a otros a ofrecerse como voluntarios.
C1 noun /ˈæŋɡwɪʃ/

anguish

angustia
Meaning
Severe mental or physical pain or suffering.
Example
She was in deep anguish after hearing the tragic news.
Ella estaba en profunda angustia después de escuchar la trágica noticia.
C1 verb /ədˈmɪnɪstreɪt/

administrate

administrar
Meaning
to manage or supervise the execution of duties, laws, or resources; to formally give or apply something such as a test or medicine
Example
The committee will administrate the new policy across all departments.
El comité administrará la nueva política en todos los departamentos.
C1 adjective /ɔːˈtɒn.ə.məs/

autonomous

autónomo
Meaning
Acting independently or having the freedom to do so.
Example
Autonomous systems ensure greater precision.
Los sistemas autónomos garantizan mayor precisión.
C1 verb /əˈliː.vi.eɪt/

alleviate

aliviar o mitigar
Meaning
To make suffering, deficiency, or a problem less severe; to relieve or ease.
Example
Meditation can alleviate stress and improve focus.
La meditación puede aliviar el estrés y mejorar el enfoque.
C1 noun ˈæ.sɛt ˌæl.əˈkeɪ.ʃən

asset allocation

asignación de activos
Meaning
An investment strategy that aims to balance risk and reward by apportioning a portfolio's assets according to an individual's goals, risk tolerance, and investment horizon.
Example
Proper asset allocation is key to financial growth.
Una correcta asignación de activos es clave para el crecimiento financiero.
C1 noun /ˈæmnəsti/

amnesty

amnistía
Meaning
An official pardon granted to people who have been convicted of political offenses.
Example
The government announced an amnesty for all political prisoners.
El gobierno anunció una amnistía para todos los prisioneros políticos.
C1 noun /ˌæntiˈklaɪmæks/

anticlimax

anticlimax
Meaning
A disappointing end after a big build-up of excitement or expectation.
Example
The movie's ending was an anticlimax after such a thrilling story.
El final de la película fue un anticlimax después de una historia tan emocionante.
C1 adjective /əˈnæl.ə.ɡəs/

analogous

análogo
Meaning
Comparable in certain respects, typically in a way that makes clearer the nature of things being compared.
Example
The human brain is analogous to a supercomputer.
El cerebro humano es análogo a una supercomputadora.
C1 noun /ˈɑːrdər/

ardor

pasión, entusiasmo
Meaning
Great enthusiasm or passion.
Example
She spoke with ardor about her new project.
Ella habló con ardor sobre su nuevo proyecto.
C1 adjective, noun /əbˈzɔːrbənt/

absorbent

absorbente
Meaning
able to soak up liquid, moisture, or energy easily; a material or substance that absorbs
Example
This towel is highly absorbent and dries quickly.
Esta toalla es muy absorbente y se seca rápido.
C1 adjective /ˈæv.ɪd/

avid

ávido
Meaning
having an eager desire or enthusiasm for something
Example
She is an avid reader of mystery novels.
Ella es una ávida lectora de novelas de misterio.
C1 adjective /ænˈtɪriər/

anterior

anterior
Meaning
Situated at or toward the front; coming before in position or time.
Example
The anterior part of the brain controls logical thinking.
La parte anterior del cerebro controla el pensamiento lógico.
C1 noun /ˈæbət/

abbot

abad
Meaning
The head of a monastery for monks.
Example
The abbot welcomed the visitors to the monastery.
El abad dio la bienvenida a los visitantes al monasterio.
C1 adjective /ˈeɪ.mi.ə.bəl/

Amiable

amable y agradable; de buen carácter; bondadoso
Meaning
friendly and pleasant; good-natured; kind
Example
My neighbor is very amiable and always greets everyone warmly.
Mi vecino es muy amable y siempre saluda a todos calurosamente.
C1 adjective ˌæɡrɪˈkʌltʃərəli sɪɡˈnɪfɪkənt

agriculturally significant

importante relacionado con la agricultura
Meaning
Important or crucial related to farming and agriculture
Example
Winter is agriculturally significant for crop production.
El invierno es importante para la producción de cultivos.
C1 noun /əˈfɪn.ɪ.ti/

affinity

afinidad
Meaning
A natural liking for or attraction to a person, thing, idea, etc.
Example
She has an affinity for classical music.
Ella tiene una afinidad por la música clásica.
C1 adjective /ˈæmərəs/

amorous

amoroso
Meaning
Showing, feeling, or relating to romantic love or desire.
Example
He sent her an amorous letter filled with declarations of love.
Él le envió una carta amorosa llena de declaraciones de amor.
C1 noun /ˌæn.əˈnɪm.ə.ti/

anonymity

anonimato
Meaning
The state of being anonymous; having one's identity kept secret or unknown.
Example
Online anonymity protects users from cyber threats.
La anonimidad en línea protege a los usuarios de amenazas cibernéticas.
C1 noun /ˈæl.ɪ.moʊ.ni/

alimony

pensión alimenticia
Meaning
financial support that a person is ordered by a court to give to their spouse after separation or divorce
Example
He was ordered by the court to pay monthly alimony to his ex-wife.
El tribunal le ordenó pagar una pensión mensual a su exesposa.
C1 noun /ˈælɔɪ/

alloy

aleación
Meaning
A mixture of metals or a metal combined with another element.
Example
Bronze is an alloy of copper and tin.
El bronce es una aleación de cobre y estaño.
C1 adverb /əˈraɪ/

awry

equivocado
Meaning
away from the expected or proper direction; wrong or amiss
Example
The plan went awry when the weather suddenly changed.
El plan salió mal cuando el clima cambió repentinamente.
C1 adjective /ɑːrˈkeɪɪk/

archaic

arcaico
Meaning
very old or old-fashioned; belonging to an earlier time
Example
Some laws are considered archaic and no longer relevant.
Algunas leyes se consideran arcaicas y ya no son relevantes.
C1 adjective /ɔːˈstɪə/

austere

austero, sencillo
Meaning
Severe or strict in manner, attitude, or appearance; plain and simple.
Example
The monk lived an austere life in the mountains.
El monje vivió una vida austera en las montañas.
C1 noun /əˈkɔːrdiən/

accordion

acordión (instrumento musical)
Meaning
a musical instrument played by squeezing and expanding with keys and buttons
Example
The musician played a cheerful tune on the accordion.
El músico tocó una melodía alegre en el acordeón.
C1 noun əˈɡrɛriən səˈsaɪətiz

agrarian societies

sociedades agrarias
Meaning
Societies based on agriculture and farming as the primary economic activity.
Example
Agrarian societies emerged from a need for stable food sources.
Las sociedades agrarias surgieron por la necesidad de fuentes estables de alimentos.
C1 noun /əˈlɒt.mənt/

allotment

asignación, reparto
Meaning
The distribution or allocation of something, especially resources or portions.
Example
Each department received an allotment of resources.
Cada departamento recibió una asignación de recursos.
C1 noun /ˈænərki/

anarchy

anarquía
Meaning
a state of disorder due to the absence or failure of government or authority
Example
The collapse of the regime led to anarchy in the streets.
El colapso del régimen llevó a la anarquía en las calles.
C1 noun /əˈboʊd/

abode

morada
Meaning
a place of residence; a home
Example
They invited us to their humble abode.
Nos invitaron a su humilde morada.
C1 adjective /əˈkɪn/

akin

similar
Meaning
Of similar character or related by blood.
Example
His reaction was akin to shock.
Su reacción fue similar a un shock.
C1 adjective /əˈlʊr.ɪŋ/

Alluring

atractivo y tentador; fascinante
Meaning
attractive and tempting; fascinating
Example
The alluring fragrance of roses filled the garden.
La fragancia atractiva de las rosas llenó el jardín.
C1 noun /ˈælɪɡəri/

allegory

alegoría
Meaning
a story, poem, or picture that can be interpreted to reveal a hidden meaning, often moral or political
Example
The novel is an allegory of the struggle between good and evil.
La novela es una alegoría de la lucha entre el bien y el mal.
C1 noun əˈpreɪ.zəl

appraisal

evaluación
Meaning
An assessment or evaluation of performance or quality.
Example
The annual appraisal determines salary increments.
La evaluación anual determina los incrementos salariales.
C1 verb /əˈpɔːl/

appall

impactar
Meaning
To shock or horrify someone with something unpleasant or bad.
Example
The cruelty of the crime appalled the entire community.
La crueldad del crimen impactó a toda la comunidad.
C1 noun əˈtrɪʃ.ən

attrition

desgaste
Meaning
The process of reducing something's strength or effectiveness through sustained attack or pressure.
Example
The company faced high employee attrition due to job dissatisfaction.
La empresa enfrentó una alta rotación de empleados debido a la insatisfacción laboral.
C1 noun əˈtrɒs.ɪ.tiz

atrocities

atrocidades
Meaning
Extremely wicked or cruel acts, typically involving physical violence or injury.
Example
The atrocities shocked the international community.
Las atrocidades sorprendieron a la comunidad internacional.
C1 noun /ˈɔːnɪŋ/

awning

toldo
Meaning
a sheet of canvas or material stretched on a frame to shelter a place from the sun or rain
Example
We sat under the awning to avoid the heavy rain.
Nos sentamos debajo del toldo para evitar la lluvia intensa.
C1 adverb /əˈbrɛst/

abreast

lado a lado
Meaning
side by side and facing the same direction; informed about something
Example
The soldiers marched two abreast down the street.
Los soldados marcharon dos lado a lado por la calle.
C1 noun /ˈeɪθiɪzəm/

atheism

ateísmo
Meaning
The belief that there is no God or gods.
Example
He declared his atheism openly despite social pressure.
Él declaró su ateísmo abiertamente a pesar de la presión social.
C1 verb /ˈæn.ə.teɪt/

annotate

añadir notas o comentarios
Meaning
to add notes or comments to a text, diagram, or document for explanation or clarification
Example
The teacher asked the students to annotate the poem with their interpretations.
El maestro pidió a los estudiantes que anotaran el poema con sus interpretaciones.
C1 verb /əˈtɛst/

attest

atestiguar
Meaning
To provide or serve as clear evidence of; to confirm or certify the truth of something.
Example
The witness attested to the accuracy of the report.
El testigo atestiguó la exactitud del informe.
C1 noun /ˈæftərˌθɔːt/

afterthought

un añadido
Meaning
Something added or considered later than originally planned.
Example
The gift seemed like an afterthought rather than a genuine gesture.
El regalo parecía un detalle de última hora más que un gesto genuino.
C1 adjective /əˈbreɪsɪv/

abrasive

áspero, rugoso o capaz de desgastar por frotamiento
Meaning
harsh, rough, or capable of wearing down by rubbing
Example
His abrasive tone made everyone uncomfortable.
Su tono áspero hizo que todos se sintieran incómodos.
C1 noun əˈrɪd.ɪ.ti

aridity

aridez
Meaning
The state of being extremely dry, especially having insufficient rainfall to support vegetation.
Example
The aridity of the land is increasing due to climate change.
La aridez de la tierra está aumentando debido al cambio climático.
C1 adjective /ɔːˈtʌmnəl/

autumnal

otoñal
Meaning
relating to or characteristic of autumn; occurring in autumn
Example
The autumnal colors of red and gold filled the forest.
Los colores otoñales de rojo y oro llenaron el bosque.
C1 adjective, noun /ɔːɡˈzɪliəri/

auxiliary

auxiliar
Meaning
(adjective) providing supplementary or additional help and support; (noun) a person or thing that provides auxiliary support
Example
The hospital has an auxiliary power generator in case of emergencies.
El hospital tiene un generador de energía auxiliar en caso de emergencias.
C1 noun /ˈælkəmi/

alchemy

alquimia
Meaning
A medieval practice combining elements of chemistry and philosophy, aimed at transforming matter, especially turning base metals into gold.
Example
Medieval scientists devoted their lives to alchemy.
Los científicos medievales dedicaron sus vidas a la alquimia.
C1 noun /ˈæd.və.ser.i/

adversary

adversario
Meaning
One's opponent in a contest, conflict, or dispute.
Example
The boxer faced a strong adversary in the ring.
El boxeador enfrentó a un fuerte adversario en el ring.
C1 noun /əˈrɪs.tə.kræt/

Aristocrat

aristócrata; persona de nobleza
Meaning
a member of the aristocracy; a person of noble rank or birth
Example
The aristocrat lived in a magnificent castle.
El aristócrata vivía en un castillo magnífico.
C1 verb /ˈæn.ɛks/

annex

anexar
Meaning
To take control of a territory and add it to one's own.
Example
The empire annexed the neighboring kingdom after the war.
El imperio anexó el reino vecino después de la guerra.
C1 verb /ˈæk.lɪ.meɪt/

acclimate

aclimatarse
Meaning
To adapt or become accustomed to a new environment or situation
Example
It takes time to acclimate to a new climate.
Se necesita tiempo para aclimatarse a un nuevo clima.
C1 noun, adverb /ˈeɪliəs/

alias

alias
Meaning
A false or assumed identity; also used to mean 'otherwise called'.
Example
The criminal was known by the alias 'Shadow'.
El criminal era conocido por el alias 'Sombra'.
C1 noun /ɑːrˈmɑːdə/

armada

flota de guerra
Meaning
A large fleet of warships.
Example
The Spanish Armada sailed against England in 1588.
La Armada Española navegó contra Inglaterra en 1588.
C1 adjective /əˈbaɪdɪŋ/

abiding

perpetuo
Meaning
lasting for a long time; enduring
Example
She had an abiding love for her hometown.
Ella tenía un amor perpetuo por su ciudad natal.
C1 adjective /əˈdɛpt/

adept

hábil
Meaning
Very skilled or proficient at something.
Example
She is adept at solving complex mathematical problems.
Ella es hábil para resolver problemas matemáticos complejos.
C1 verb /əˈpreɪz/

appraise

evaluar
Meaning
to evaluate the value, quality, or importance of something
Example
The jeweler appraised the diamond before buying it.
El joyero evaluó el diamante antes de comprarlo.
C1 preposition /əˈtɒp/

atop

encima
Meaning
on the top of something
Example
A flag was placed atop the tower.
Una bandera fue colocada encima de la torre.
C1 adverb /ɔːˈtɒnəməsli/

autonomously

de forma autónoma
Meaning
In an independent or self-governing manner.
Example
The robot can operate autonomously without human intervention.
El robot puede operar de forma autónoma sin intervención humana.
C1 noun /ˌɑːr.kəˈpɛl.əˌɡoʊ/

archipelago

archipiélago
Meaning
A group of islands clustered together in a body of water.
Example
Indonesia is an archipelago with thousands of islands.
Indonesia es un archipiélago con miles de islas.
C1 adverb /əˈtroʊʃəsli/

atrociously

atrozmente
Meaning
in a very cruel, shocking, or extremely bad manner
Example
The service at the restaurant was atrociously slow.
El servicio del restaurante fue atrozmente lento.
C1 adjective /ˌæbəˈrɪdʒənəl/

aboriginal

aborigen
Meaning
Relating to the original inhabitants of a region.
Example
The museum has a large collection of aboriginal art.
El museo tiene una gran colección de arte aborigen.