amphitheater
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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 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 /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 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 /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 verb /əˈflɪkt/

afflict

afligir
Meaning
to cause pain, suffering, or distress to someone or something
Example
Many people are afflicted by seasonal allergies.
Muchas personas están afligidas por alergias estacionales.
C1 noun /ˈæbsɛs/

abscess

absceso
Meaning
A swollen area within body tissue containing pus, usually caused by infection.
Example
The dentist treated the abscess in his tooth.
El dentista trató el absceso en su diente.
C1 verb /əkˈsɛntʃueɪt/

accentuate

acentuar
Meaning
to emphasize or make something more noticeable
Example
The lighting accentuated the beauty of the painting.
La iluminación acentuó la belleza de la pintura.
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 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 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 noun əˌsɪm.ɪˈleɪ.ʃən

Assimilation

asimilación
Meaning
Connecting new information with existing knowledge
Example
Proper assimilation of knowledge leads to effective learning.
La correcta asimilación del conocimiento conduce a un aprendizaje efectivo.
C1 noun /ˌænəsˈθetɪk/

anesthetic

anestésico
Meaning
A substance that causes loss of sensation or consciousness, especially used during surgery.
Example
The doctor administered a local anesthetic before stitching the wound.
El doctor administró un anestésico local antes de suturar la herida.
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 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 /əˈtjuːnd/

attuned

ajustado / sensible
Meaning
Being receptive or sensitive to something; well adjusted or in harmony.
Example
She is attuned to the needs of her students.
Ella está ajustada a las necesidades de sus estudiantes.
C1 noun /ɔːˈrɔːrə/

aurora

aurora
Meaning
A natural display of lights in the sky, usually seen in polar regions.
Example
We traveled to Norway to see the northern aurora.
Viajamos a Noruega para ver la aurora del norte.
C1 noun /æbˈdʌk.ʃən/

abduction

secuestro
Meaning
the act of taking someone away illegally by force; kidnapping
Example
The police are investigating the abduction of the child.
La policía está investigando el secuestro del niño.
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 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 ˈælərdʒən

allergen

sustancia que causa una reacción alérgica
Meaning
A substance that causes an allergic reaction.
Example
Pollen is a common allergen that affects many people.
El polen es un alérgeno común que afecta a muchas personas.
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 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 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 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 /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 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 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 /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 adjective /ˈɑːr.dənt/

Ardent

ardiente; entusiasta; fervoroso
Meaning
very enthusiastic; passionate; fervent
Example
She is an ardent supporter of environmental conservation.
Ella es una ferviente defensora de la conservación ambiental.
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 adjective /ˈɔːdəˌtɔːri/

auditory

auditivo
Meaning
Relating to the sense of hearing.
Example
The lecture was designed to enhance students' auditory learning skills.
La conferencia fue disenada para mejorar las habilidades de aprendizaje auditivo de los estudiantes.
C1 noun /əˈbændənmənt/

abandonment

abandono
Meaning
the act of leaving someone or something behind completely; the state of being deserted
Example
The child suffered deep emotional pain because of abandonment.
El niño sufrió un profundo dolor emocional por el abandono.
C1 noun /əˈtjuːn.mənt/

attunement

armonización
Meaning
Being in harmony or responsive to someone's emotional state.
Example
Attunement to emotions improves relationships.
La armonización con las emociones mejora las relaciones.
C1 verb əˈnaɪ.ə.leɪt

annihilate

aniquilar
Meaning
Destroy utterly; obliterate; reduce to nothing.
Example
The explosion annihilated the entire village.
La explosión aniquiló toda la aldea.
C1 adjective /iːsˈθɛθɪkəl/

aesthetical

estético
Meaning
concerned with beauty or the appreciation of beauty; related to artistic taste or appearance
Example
The architect focused on the aesthetical balance of the building.
El arquitecto se centró en el equilibrio estético del edificio.
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 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 noun /ˈænəɡræm/

anagram

una palabra o frase formada reordenando las letras de otra palabra o frase.
Meaning
A word or phrase formed by rearranging the letters of another word or phrase.
Example
The word 'listen' is an anagram of 'silent'.
La palabra 'listen' es un anagrama de 'silent'.
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 əbˈzɔːrp.ʃən

absorption

absorción
Meaning
The process or action by which one thing absorbs or is absorbed by another.
Example
Plants help in the absorption of carbon dioxide.
Las plantas ayudan en la absorción de dióxido de carbono.
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 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 /ədˈhɪə.rəns/

adherence

cumplimiento
Meaning
The practice of following or keeping to a rule, standard, or belief.
Example
Adherence to rules is crucial in any organization.
El cumplimiento de las reglas es crucial en cualquier organización.
C1 adjective ˌæd.vɚˈser.i.əl

adversarial

adversarial
Meaning
Involving or characterized by conflict or opposition.
Example
The two companies have an adversarial relationship in the market.
Las dos empresas tienen una relación adversarial en el mercado.
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 noun /ˈæbdəmən/

abdomen

abdomen
Meaning
The part of the body below the chest and above the hips that contains the stomach and other organs.
Example
He complained of pain in his abdomen.
Él se quejó de dolor en su abdomen.
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 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 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 /ˈækwɪˌdʌkt/

aqueduct

acueducto
Meaning
a structure built to carry water over long distances
Example
The Romans built aqueducts to supply water to their cities.
Los romanos construyeron acueductos para suministrar agua a sus ciudades.
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 noun /ˈæpəθi/

apathy

apatía
Meaning
a lack of interest, enthusiasm, or concern
Example
The students showed apathy towards the new rules.
Los estudiantes mostraron apatía hacia las nuevas reglas.
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 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 verb /əˈbɔːrt/

abort

abortar; cancelar
Meaning
to stop a process or action before it is completed; to end a pregnancy deliberately
Example
The pilot decided to abort the mission due to bad weather.
El piloto decidió abortar la misión por el mal tiempo.
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 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 /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 /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 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 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 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 /aɪ/

aye

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

accomplice

cómplice
Meaning
a person who helps another commit a crime
Example
The thief was arrested along with his accomplice.
El ladrón fue arrestado junto con su cómplice.
C1 verb /ˈæbdɪkeɪt/

abdicate

abdicar
Meaning
To give up a position of power or responsibility, especially a throne.
Example
The king decided to abdicate the throne.
El rey decidió abdicar del trono.
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 /ˌæn.ɪˈmɒs.ə.ti/

Animosity

animosidad; hostilidad
Meaning
strong hostility or dislike; active hatred or ill will
Example
There was clear animosity between the two rival teams.
Había una clara animosidad entre los dos equipos rivales.
C1 adjective /ˈæntɪkweɪtɪd/

antiquated

anticuado
Meaning
Old-fashioned or outdated.
Example
The office still uses an antiquated filing system.
La oficina todavía usa un sistema de archivos anticuado.
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 /ˌæl.ɡəˈrɪð.mɪk/

algorithmic

basado en algoritmos
Meaning
Based on or using algorithms; relating to mathematical rules or procedures.
Example
Algorithmic processes power artificial intelligence systems.
Los procesos algorítmicos impulsan los sistemas de inteligencia artificial.
C1 verb /əˈnʌl/

annul

anular
Meaning
to declare something legally invalid or cancel it
Example
The court decided to annul the marriage due to fraud.
El tribunal decidió anular el matrimonio debido al fraude.
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 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 /əˈnɒməli/

anomaly

anomalía
Meaning
something that deviates from the norm or expected result
Example
The sudden drop in temperature was considered an anomaly.
La caída repentina de la temperatura fue considerada una anomalía.
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 noun /əˈsɛsər/

assessor

evaluador
Meaning
a person who evaluates or estimates the nature, ability, or quality of something
Example
An external assessor reviewed the project report.
Un evaluador externo revisó el informe del proyecto.
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 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.
C1 noun /ɔːˈtɒmətən/

automaton

máquina automática
Meaning
A machine that works automatically; also refers to a person who behaves like a machine, without thinking.
Example
He worked like an automaton, without showing any emotion.
Él trabajaba como un autómata, sin mostrar ninguna emoción.
C1 adjective /ˌæn.ɪkˈdoʊ.t̬əl/

anecdotal

basado en relatos personales más que en hechos o investigaciones, caracterizado por anécdotas
Meaning
Based on personal accounts rather than facts or research; characterized by anecdotes.
Example
The book was filled with anecdotal evidence rather than data.
El libro estaba lleno de evidencia anecdótica en lugar de datos.
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 noun /ˈædʒʌŋkt/

adjunct

auxiliar
Meaning
a thing added to something else as a supplementary part
Example
The professor worked as an adjunct at the university.
El profesor trabajaba como auxiliar en la universidad.
C1 noun /ˌæmplɪfɪˈkeɪʃən/

amplification

amplificación
Meaning
the act or process of making something stronger, louder, or more intense; an expansion or elaboration of details
Example
The microphone provides amplification of the speaker’s voice.
El micrófono proporciona amplificación de la voz del orador.
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 /ænˈtæɡənɪzəm/

antagonism

antagonismo
Meaning
active hostility or opposition
Example
There was clear antagonism between the two political parties.
Había un claro antagonismo entre los dos partidos políticos.
C1 noun /ˈæntlɚ/

antler

cuerno de ciervo
Meaning
The branched horns on the head of a deer or similar animal, usually shed and regrown annually.
Example
The deer’s antlers grew larger each year.
Los cuernos de ciervo crecían más grandes cada año.
C1 verb /əbˈzɒlv/

absolve

absolver
Meaning
to free someone from blame, guilt, or responsibility; to pardon
Example
The priest absolved him of his sins.
El sacerdote lo absolvió de sus pecados.
C1 adjective /ˌeɪ.bəlˈbɒd.id/

able-bodied

físicamente apto
Meaning
physically strong and healthy, not disabled
Example
The company is looking for able-bodied workers for the construction site.
La empresa está buscando trabajadores físicamente aptos para el sitio de construcción.
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 /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 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 adjective eɪˈsɪŋ.krə.nəs

asynchronous

asíncrono
Meaning
Of or requiring a form of computer control timing protocol in which a specific operation begins upon receipt of an indication that the preceding operation has been completed.
Example
Asynchronous courses allow students to learn at their own pace.
Los cursos asincrónicos permiten a los estudiantes aprender a su propio ritmo.
C1 noun /ˌæfəˈdeɪvɪt/

affidavit

declaración jurada
Meaning
a written statement confirmed by oath or affirmation, used as evidence in court
Example
The witness submitted an affidavit to the court.
El testigo presentó un affidavit ante el tribunal.
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 /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 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 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 /ˌætəˈʃeɪ/

attache

agregado diplomático
Meaning
A person officially assigned to the staff of a diplomatic mission, often with a specific area of responsibility.
Example
The cultural attache organized an art exhibition in the embassy.
El agregado cultural organizó una exposición de arte en la embajada.
C1 noun /əˈtrɑːsəti/

atrocity

atrocidad
Meaning
an extremely cruel or violent act, often involving physical violence
Example
The world condemned the atrocity committed against civilians.
El mundo condenó la atrocidad cometida contra los civiles.
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 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 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 /ænˈtɪθəsɪs/

antithesis

antítesis
Meaning
A person, thing, or idea that is the direct opposite of another; a rhetorical device contrasting opposing ideas in parallel structure.
Example
Love is the antithesis of hate.
El amor es la antítesis del odio.
C1 verb /əˈbriːvieɪt/

abbreviate

abreviar
Meaning
To shorten a word, phrase, or text by leaving out letters or parts.
Example
We often abbreviate 'Doctor' to 'Dr'.
A menudo abreviamos 'Doctor' a 'Dr'.
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 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 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 /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 verb /əˈsɪm.ɪ.leɪt/

assimilate

asimilar completamente; absorber e integrar en el conocimiento o cultura
Meaning
To take in and understand fully; to absorb and integrate into one's knowledge or culture.
Example
Immigrants often struggle to assimilate into a new culture.
Los inmigrantes a menudo luchan por asimilarse en una nueva cultura.
C1 verb /ˈɑːrbɪtreɪt/

arbitrate

arbitrar
Meaning
to settle a dispute between two parties by acting as an impartial judge
Example
The committee agreed to arbitrate the contract dispute.
El comité acordó arbitrar la disputa del contrato.
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 /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 /ˈæl.kə.laɪ/

alkali

alcalino
Meaning
a soluble base substance, typically with a pH greater than 7, that neutralizes acids
Example
Soap contains alkali which helps remove grease.
El jabón contiene alcalino que ayuda a quitar la grasa.
C1 noun /əˈstrɑː.lə.dʒər/

Astrologer

astrólogo
Meaning
a person who studies astrology and makes predictions based on the positions of stars and planets
Example
The astrologer predicted good fortune in her future.
El astrólogo predijo buena suerte en su futuro.
C1 adjective /ˌeɪˈtɪpɪkəl/

atypical

atípico
Meaning
not representative of a type, group, or class; unusual or abnormal
Example
The doctor said it was an atypical case of the disease.
El doctor dijo que era un caso atípico de la enfermedad.
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 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 æmˈbɪvələns

ambivalence

ambivalencia
Meaning
Having mixed feelings or contradictory ideas about something; uncertainty or confusion.
Example
She felt ambivalence about taking the job offer.
Ella sintió ambivalencia al aceptar la oferta de trabajo.
C1 adjective /əˈθɔːrɪtətɪv/

authoritative

autoritario
Meaning
Having or showing authority; commanding and self-confident; reliable as a source of information.
Example
She spoke in an authoritative tone that silenced the room.
Ella habló con un tono autoritario que silenció la habitación.