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C1 adverb /əˈkjuːtli/

acutely

agudamente
Meaning
in a sharp, intense, or severe way; with keen awareness
Example
She was acutely aware of the risks involved.
Ella era agudamente consciente de los riesgos involucrados.
C1 verb /ˈæɡənaɪz/

agonize

agonizar
Meaning
To suffer extreme physical or mental pain; to spend time worrying.
Example
She agonized for days over whether she had made the right decision.
Ella agonizó durante días sobre si había tomado la decisión correcta.
C1 noun /ˈæntənɪm/

antonym

antónimo
Meaning
A word opposite in meaning to another.
Example
‘Hot’ is the antonym of ‘cold’.
‘Hot’ es el antónimo de ‘cold’.
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 /əˈlʌmnəs/

alumnus

exalumno
Meaning
a former student or graduate of a school, college, or university
Example
He is an alumnus of Harvard University.
Él es un exalumno de la Universidad de Harvard.
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 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 verb /əˈlɒt/

allot

felicidad
Meaning
to give or assign something, often a share or portion, to someone
Example
Each student was allotted ten minutes to present.
Ella no pudo ocultar su felicidad cuando recibió el premio.
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 adjective /ˌeɪˈsɛkʃuəl/

asexual

asexual
Meaning
Without sexual feelings, associations, or reproduction through sex.
Example
Many plants reproduce through asexual methods like budding or splitting.
Muchas plantas se reproducen mediante métodos asexuales como la gemación o la división.
C1 noun, verb, adjective /ˈæɡ.rɪ.ɡət/ (noun/adjective), /ˈæɡ.rɪ.ɡeɪt/ (verb)

aggregate

agregado, conjunto
Meaning
A whole formed by combining several elements; to combine into a total.
Example
The data was aggregated to provide a clearer picture of the market.
Los datos fueron agregados para proporcionar una imagen más clara del mercado.
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 /æɡˈnɒs.tɪk/

agnostic

agnóstico
Meaning
a person who believes that nothing is known or can be known about the existence of God; uncertain in belief
Example
He described himself as an agnostic rather than an atheist.
Se describió a sí mismo como un agnóstico en lugar de un ateo.
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 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 noun /ˈæb.stɪ.nəns/

abstinence

abstinencia, restricción
Meaning
the practice of restraining oneself from indulging in something, typically alcohol or sex
Example
His doctor advised abstinence from alcohol for better health.
Su médico le aconsejó abstinencia de alcohol para una mejor salud.
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 noun /ˈɑːr.tər.i/

Artery

arteria
Meaning
a blood vessel that carries blood away from the heart to other parts of the body
Example
The doctor checked the pulse in his artery.
El doctor revisó el pulso en su arteria.
C1 adjective /ˈædəmənt/

Adamant

terco; obstinado; firme; inflexible
Meaning
একগুঁয়ে; জেদী; দৃঢ়সংকল্প; অনমনীয়;
Example
She was adamant about her decision to leave the company.
Ella fue terca con su decisión de dejar la empresa.
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 /ˈeɪ.nəs/

Anus

ano
Meaning
the opening at the end of the digestive tract through which waste leaves the body
Example
The doctor examined the patient's anus during the medical checkup.
El doctor examinó el ano del paciente durante el chequeo médico.
C1 adverb /əˈfrɛʃ/

afresh

de nuevo
Meaning
From the beginning, in a new way.
Example
After the failure, they started the project afresh.
Después del fracaso, comenzaron el proyecto de nuevo.
C1 noun /əˈbreɪʒən/

abrasion

raspadura o desgaste de la piel o superficie debido a la fricción
Meaning
a scrape or wearing away of the skin or surface due to friction
Example
He suffered a minor abrasion on his knee after falling.
Él sufrió una pequeña raspadura en su rodilla después de caerse.
C1 noun ˌæmbɪˈɡjuːɪti

ambiguity

ambigüedad, vaguedad
Meaning
The quality of being open to more than one interpretation; inexactness.
Example
The ambiguity of the statement caused confusion among the team.
La ambigüedad de la declaración causó confusión en el equipo.
C1 noun /ˌædʒ.ɪˈteɪ.ʃən/

agitation

agitación
Meaning
a state of nervousness, excitement, or unrest; or action of stirring up public concern
Example
There was visible agitation among the crowd.
Hubo agitación visible entre la multitud.
C1 noun /əˈpɒsəl/

apostle

apóstol, defensor
Meaning
A vigorous and pioneering advocate or supporter of a particular cause, often used for the early Christian disciples.
Example
He became an apostle of environmental protection.
Él se convirtió en un apóstol de la protección del medio ambiente.
C1 noun /əˌlɪtəˈreɪʃən/

alliteration

aliteración
Meaning
the occurrence of the same consonant sound at the beginning of words in close succession
Example
She used alliteration in her poem to add musicality.
Ella usó aliteración en su poema para agregar musicalidad.
C1 adjective /əˈtrəʊ.ʃəs/

Atrocious

atroz; extremadamente malo o desagradable
Meaning
horrifyingly wicked; extremely bad or unpleasant
Example
The conditions in the prison were atrocious.
Las condiciones en la prisión eran atroces.
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 /ˈɛərˌtaɪt/

airtight

hermético
Meaning
Completely sealed so that no air can get in or out.
Example
Store the cookies in an airtight container to keep them fresh.
Guarda las galletas en un recipiente hermético para mantenerlas frescas.
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 adjective /ˈædʒɪteɪtɪd/

Agitated

agitado; inquieto; nervioso; excitado de manera negativa
Meaning
disturbed; anxious; restless; excited in a negative way
Example
He became agitated when he heard the bad news.
Se agitou cuando escuchó las malas noticias.
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 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 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 adjective /əˈnɒmələs/

anomalous

anómalo
Meaning
deviating from what is standard, normal, or expected
Example
Scientists observed an anomalous result during the experiment.
Los científicos observaron un resultado anómalo durante el experimento.
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 /əˈvɜːrʒən/

aversion

aversión
Meaning
a strong feeling of dislike or unwillingness towards something
Example
She has a strong aversion to smoking.
Ella tiene una fuerte aversión al fumar.
C1 adjective /ˌeɪθiˈɪstɪk/

atheistic

ateísta
Meaning
Relating to or characteristic of atheists or atheism.
Example
She grew up in an atheistic household with no religious rituals.
Ella creció en un hogar ateo sin rituales religiosos.
C1 noun əˈniː.mi.ə

anemia

anemia
Meaning
A condition in which there is a deficiency of red blood cells or hemoglobin in the blood.
Example
Genetic therapy addresses anemia effectively.
La terapia genética trata la anemia de manera efectiva.
C1 adjective /ˈɔːbərn/

auburn

castaño rojizo
Meaning
reddish-brown in color, especially used to describe hair
Example
She has long auburn hair that shines in the sunlight.
Ella tiene el cabello largo y castaño rojizo que brilla al sol.
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 /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 verb /əˈkwɪt/

acquit

absolver
Meaning
to declare someone not guilty of a criminal charge; to conduct oneself in a specified way
Example
The jury decided to acquit the defendant of all charges.
El jurado decidió absolver al acusado de todos los cargos.
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 /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 /ˌæprɪˈhɛnd/

apprehend

detener
Meaning
to arrest or seize someone; to understand or perceive something
Example
The police managed to apprehend the thief after a long chase.
La policía logró apresar al ladrón después de una larga persecución.
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 /ˈæspɪrənt/

aspirant

aspirante
Meaning
a person who seeks or hopes to achieve a position of honor or advancement
Example
She is an aspirant for the university's top scholarship.
Ella es una aspirante a la beca más alta de la universidad.
C1 noun ænˈtɪk.wə.ti

antiquity

antigüedad
Meaning
The ancient past, especially the period of classical and other human civilizations before the Middle Ages.
Example
The ruins are a reminder of the city's antiquity.
Las ruinas son un recordatorio de la antigüedad de la ciudad.
C1 noun/verb /ˈætrəfi/

atrophy

atrofia
Meaning
a decrease in size or wasting away of a body part, tissue, or ability due to lack of use
Example
Without regular exercise, muscles may atrophy over time.
Sin ejercicio regular, los músculos pueden atrofiarse con el tiempo.
C1 noun /ˈæk.jʊ.mən/

acumen

percepción
Meaning
The ability to make good judgments and quick decisions; keenness and depth of perception.
Example
His business acumen helped the company grow rapidly.
Su percepción empresarial ayudó a la empresa a crecer rápidamente.
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 /əˈdʒeɪsənsi/

adjacency

adyacencia
Meaning
The state of being next to or adjoining something else.
Example
The adjacency of the two buildings made it easy to connect them.
La adyacencia de los dos edificios hizo fácil conectarlos.
C1 noun /əˈrɪəz/

arrears

deuda pendiente
Meaning
Money that is owed and should have been paid earlier.
Example
She was months in arrears with her electricity bill.
Estaba meses en deuda con su factura de electricidad.
C1 adjective /ˈɑːrɡjuəbl/

arguable

discutible
Meaning
open to debate or discussion; not certain and capable of being argued for or against
Example
It is arguable that technology has improved our quality of life.
Es discutible que la tecnología haya mejorado nuestra calidad de vida.
C1 adjective /əˈpriː.ʃə.bəl/

Appreciable

apreciable; significativo; considerable en cantidad
Meaning
noticeable; significant; considerable in amount
Example
There was an appreciable improvement in his test scores.
Hubo una mejora apreciable en sus puntuaciones de prueba.
C1 noun ˌæɡ.rəʊˈkem.ɪ.kəl

agrochemical

agroquímico
Meaning
A chemical product used in agriculture, especially a pesticide or fertilizer.
Example
Excessive use of agrochemicals can degrade soil quality.
El uso excesivo de agroquímicos puede degradar la calidad del suelo.
C1 noun ˌæp.əˈreɪ.təs

apparatus

aparato
Meaning
The technical equipment or machinery needed for a particular activity or purpose.
Example
The apparatus was designed to be eco-friendly.
El aparato fue diseñado para ser ecológico.
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 noun /ˈænti ˈeəkræft ɡʌn/

Anti-aircraft-gun

cañón antiaéreo
Meaning
a weapon designed to attack aircraft from the ground
Example
The anti-aircraft gun was positioned to defend the military base.
El cañón antiaéreo estaba posicionado para defender la base militar.
C1 adjective /əˈbɪzməl/

abysmal

atroz / espantoso
Meaning
extremely bad or appalling
Example
The team's performance was abysmal.
El rendimiento del equipo fue atroz.
C1 noun /ˈænvɪl/

anvil

yunque de hierro
Meaning
A heavy iron block used by blacksmiths for hammering and shaping metal.
Example
The blacksmith placed the hot iron on the anvil.
El herrero colocó el hierro caliente sobre el yunque.
C1 noun /ˈævətɑːr/

avatar

avatar
Meaning
an icon or figure representing a person in digital contexts; in Hinduism, a divine incarnation
Example
She changed her social media avatar to a new cartoon image.
Ella cambió su avatar en las redes sociales por una nueva imagen de dibujo animado.
C1 adverb /ˈeɪ.mi.ə.bli/

Amiably

amistosamente, de manera amistosa
Meaning
in a friendly and pleasant manner
Example
They discussed the issue amiably without any arguments.
Ellos discutieron el tema amigablemente sin discusiones.
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 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 /əbˈsteɪn/

abstain

abstenerse
Meaning
To restrain oneself from indulging in or partaking of something.
Example
People often abstain from digital devices to enhance focus.
Las personas a menudo se abstienen de los dispositivos digitales para mejorar su enfoque.
C1 noun /ˈæptɪˌtjuːd/

aptitude

aptitud
Meaning
a natural ability or talent to do something well
Example
She has a strong aptitude for learning new languages.
Ella tiene una gran aptitud para aprender nuevos idiomas.
C1 noun /əˈsem.bli ˈseʃ.ən/

assembly session

sesión de asamblea
Meaning
A formal meeting where representatives gather to discuss and make decisions on important matters.
Example
The assembly session discussed global challenges.
La sesión de asamblea discutió los desafíos globales.
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 /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/adverb /əˈmɪs/

amiss

equivocado
Meaning
Not quite right; inappropriate or out of place.
Example
Something seems amiss with the car's engine.
Parece haber algo equivocado con el motor del coche.
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 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 adjective /ˈænsɪləri/

ancillary

auxiliar
Meaning
providing necessary support to the main system or organization
Example
The company provides ancillary services to the healthcare industry.
La empresa proporciona servicios auxiliares a la industria de la salud.
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 noun /ədˈhiːʒən/

adhesion

adhesión
Meaning
the process or state of sticking to something
Example
Strong adhesion is needed for the tiles to stay in place.
Se necesita una fuerte adhesión para que las baldosas se mantengan en su lugar.
C1 noun /ˌæntɪˈsiːdənts/

antecedents

antecedentes
Meaning
previous events, conditions, or people that influence or serve as a basis for something that follows
Example
The lawyer examined the criminal antecedents of the suspect.
El abogado examinó los antecedentes criminales del sospechoso.
C1 noun /əˈsɛnʃən/

ascension

ascensión
Meaning
The act of rising or going up, often to an important position or a higher place.
Example
His rapid ascension in the company surprised everyone.
Su rápida ascensión en la empresa sorprendió a todos.
C1 adjective əsˈtjuːt

astute

astuto o sagaz
Meaning
Having or showing an ability to accurately assess situations or people and turn this to one's advantage.
Example
His astute observations helped solve the complex problem.
Sus observaciones astutas ayudaron a resolver el problema complejo.
C1 noun /ˌædəˈreɪʃən/

adoration

adoración / amor profundo
Meaning
deep love and respect; worship
Example
The fans showed their adoration for the singer.
Los fanáticos mostraron su adoración por el cantante.
C1 noun /ˌædməˈnɪʃən/

admonition

amonestación
Meaning
a firm warning or reprimand; gentle or earnest advice
Example
He received an admonition for his careless work.
Él recibió una amonestación por su trabajo descuidado.
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 verb /əˈpɛnd/

append

agregar
Meaning
to add something as an attachment or supplement, usually at the end of a document or list
Example
She decided to append a note to the end of the report.
Ella decidió agregar una nota al final del informe.
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 /əˌfɪl.iˈeɪ.ʃən/

affiliation

afiliación
Meaning
The state or process of affiliating or being affiliated; a connection or association.
Example
His affiliation with the company lasted for a decade.
Su afiliación con la empresa duró una década.
C1 adjective /ɑːrˈkeɪn/

arcane

arcano
Meaning
understood by few; mysterious or secret
Example
The professor’s lecture was full of arcane details that only specialists could follow.
La conferencia del profesor estaba llena de detalles arcanos que solo los especialistas podían seguir.
C1 verb /ədˈmɒnɪʃ/

admonish

amonestar
Meaning
to warn or reprimand someone firmly; to advise or urge earnestly
Example
The teacher admonished the students for being late.
El profesor amonestó a los estudiantes por llegar tarde.
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 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 adjective /əˈmiːnəbl/

amenable

dispuesto
Meaning
willing to cooperate or be influenced; open to suggestions
Example
She was amenable to the idea of working longer hours.
Ella estaba dispuesta a la idea de trabajar más horas.
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 adjective, verb /ˈeɪlɪŋ/

ailing

enfermo
Meaning
suffering from illness or poor health; experiencing problems or decline
Example
The ailing patient slowly began to recover after treatment.
El paciente enfermo comenzó a recuperarse lentamente después del tratamiento.
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 /ˈædʒ.aɪl/

agile

rápido y flexible
Meaning
able to move quickly and easily; quick and adaptable in thinking or action
Example
The startup team was agile in responding to market changes.
El equipo de la startup fue ágil al responder a los cambios del mercado.
C1 adjective /ˌærɪˈstɒkrætɪk/

Aristocratic

aristocrático; perteneciente a la nobleza
Meaning
noble; having the manners of the upper class
Example
She had an aristocratic bearing that commanded respect.
Ella tenía una actitud aristocrática que imponía respeto.
C1 adjective /əˈdɒptɪv/

adoptive

adoptivo
Meaning
relating to the adoption of a child or the act of taking something as one’s own
Example
She grew up in a loving adoptive family.
Ella creció en una familia adoptiva cariñosa.
C1 noun /əˈsɪdɪti/

acidity

acidez
Meaning
the quality or degree of being acidic; the amount of acid present in a substance
Example
The acidity of the soil affects how well crops grow.
La acidez del suelo afecta el crecimiento de los cultivos.
C1 verb /ɔːˈθɛntɪkeɪt/

authenticate

autenticar
Meaning
To prove or show that something is genuine or true.
Example
The bank uses advanced technology to authenticate online transactions.
El banco utiliza tecnología avanzada para autenticar las transacciones en línea.
C1 adjective /ˌeɪpəˈlɪtɪkəl/

apolitical

apolítico
Meaning
not interested in or not connected with politics
Example
She prefers to stay apolitical and focus on her work.
Ella prefiere mantenerse apolítica y concentrarse en su trabajo.
C1 noun /ˈæmfɪˌθiətər/

amphitheater

anfiteatro
Meaning
A large open circular or oval building with rising tiers of seats, used for public events.
Example
The concert was held in an ancient amphitheater.
El concierto se celebró en un antiguo anfiteatro.
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 /ˌænəlˈdʒiːzɪk/

analgesic

analgésico
Meaning
A drug or substance that relieves pain.
Example
She took an analgesic to ease her headache.
Ella tomó un analgésico para aliviar su dolor de cabeza.
C1 noun ˌɔːɡ.menˈteɪ.ʃən

augmentation

aumento o expansión
Meaning
Increasing quantity, power or performance.
Example
The company invested in the augmentation of its workforce.
La empresa invirtió en la augmentación de su fuerza laboral.
C1 adjective /əˈrɛstɪŋ/

arresting

atractivo
Meaning
Attracting attention in a striking or impressive way.
Example
The actress gave an arresting performance.
La actriz dio una actuación atractiva.
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 adjective /ɔːlˈmaɪ.ti/

Almighty

todopoderoso
Meaning
having unlimited power; omnipotent
Example
The almighty storm destroyed everything in its path.
El todopoderoso tormenta destruyó todo en su camino.
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 noun /əˌsaɪˈniː/

assignee

persona asignada
Meaning
a person to whom a right or property is legally transferred
Example
The assignee of the contract is responsible for all future obligations.
El asignado del contrato es responsable de todas las obligaciones futuras.
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 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 noun /ˈɑːrmfʊl/

armful

brazo lleno
Meaning
As much as can be carried in one or both arms.
Example
She carried an armful of books into the library.
Ella llevó un brazo lleno de libros a la biblioteca.
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 verb /əˈdʒɜrn/

adjourn

suspender
Meaning
to suspend a meeting or session to another time or place
Example
The judge decided to adjourn the hearing until next week.
El juez decidió suspender la audiencia hasta la próxima semana.
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 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 /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 adverb /ˈæm.ɪ.kə.bli/

Amicably

amistosamente
Meaning
in a friendly way without anger or resentment
Example
The divorce was settled amicably between both parties.
El divorcio se resolvió amistosamente entre ambas partes.
C1 verb /əˈfɪliˌeɪt/

affiliate

afiliar
Meaning
to officially attach or connect (a group or organization) to a larger body
Example
The school is affiliated with the local university.
La escuela está afiliada a la universidad local.
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.