aborigines
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C1 noun /ˌæbəˈrɪdʒəniːz/

aborigines

aborígenes
Meaning
The original inhabitants of a land, especially in Australia.
Example
The aborigines have preserved their traditions for thousands of years.
Los aborígenes han preservado sus tradiciones durante miles de años.
B2 noun /ˌæk.jʊˈzeɪ.ʃən/

accusation

acusación
Meaning
A statement that someone has done something wrong or illegal.
Example
She made an accusation of theft against her colleague.
Ella hizo una acusación de robo contra su colega.
C2 adjective /ˌæf.əˈrɪs.tɪk/

aphoristic

estilo aforístico
Meaning
expressed in the style of a short, witty saying
Example
Her writing style is concise and aphoristic.
Su estilo de escritura es conciso y aforístico.
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 /ˈænsɛstrɪs/

ancestress

ancestro femenina
Meaning
a female ancestor; a woman from whom one is descended
Example
She discovered that her ancestress came from a small village in Bengal.
Descubrió que su ancestro femenina provenía de un pequeño pueblo de Bengala.
B1 noun /əˈkaʊnt/

Account

cuenta
Meaning
a record of money received and paid out; a report or description of an event
Example
She opened a savings account at the bank.
Ella abrió una cuenta de ahorros en el banco.
A1 noun /ˈɛərpleɪn/

airplane

avión
Meaning
a powered flying vehicle with fixed wings and engines
Example
The airplane took off smoothly from the runway.
El avión despegó suavemente de la pista.
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.
A2 verb əˈdres

address

abordar
Meaning
To deal with or tackle (a problem or issue); to focus attention on.
Example
The government must address the issues of student politics.
El gobierno debe abordar los problemas de la política estudiantil.
C2 adjective /əˈstrɪndʒənt/

astringent

áspero
Meaning
sharp or severe in manner or style; also describes a substance that contracts skin or body tissues
Example
Her astringent tone silenced the noisy class.
Su tono áspero silenció a la clase ruidosa.
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.
B2 noun ˌæn.tiˈɒk.sɪ.dənt

antioxidant

antioxidante
Meaning
A substance that may prevent or delay some types of cell damage by neutralizing free radicals.
Example
Green tea contains powerful antioxidants that slow aging.
El té verde contiene poderosos antioxidantes que ralentizan el envejecimiento.
B1 adjective /əˈlɜːrt/

alert

alerta
Meaning
quick to notice and respond to potential danger or issues; aware and attentive
Example
The alert dog barked at the stranger approaching the house.
El perro alerta ladró al extraño que se acercaba a la casa.
B1 adjective /əˈsoʊsieɪtɪd/

associated

asociado
Meaning
connected or related to something or someone
Example
She is closely associated with environmental movements.
Ella está estrechamente asociada con los movimientos ambientales.
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’.
B2 adjective /ˈædɪkwət/

adequate

adecuado
Meaning
sufficient or acceptable in quality or quantity
Example
The food was adequate for the small group.
La comida fue adecuada para el pequeño grupo.
C2 adverb /əˈmʌk/

amuck

de manera descontrolada
Meaning
in a frenzied, uncontrolled, or chaotic manner
Example
The bull ran amuck through the village.
El toro corrió de manera descontrolada por el pueblo.
C2 verb /ˌæpərˈteɪn/

appertain

pertenecer
Meaning
to relate to or be connected with something
Example
The rules only appertain to members of the club.
Las reglas solo pertenecen a los miembros del club.
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.
B2 adjective, noun /ˈɛəriəl/

aerial

aéreo / antena
Meaning
As an adjective: existing or happening in the air. As a noun: an antenna for receiving radio or television signals.
Example
The pilot performed an amazing aerial maneuver.
El piloto realizó una increíble maniobra aérea.
B2 noun əˌkjuː.mjəˈleɪ.ʃən

accumulation

acumulación
Meaning
The gradual gathering or collecting of something over time.
Example
The accumulation of dust affects appliance efficiency.
La acumulación de polvo afecta la eficiencia de los electrodomésticos.
A1 noun /ænt/

aunt

tía
Meaning
the sister of your father or mother, or the wife of your uncle
Example
My aunt always gives me gifts on my birthday.
Mi tía siempre me da regalos en mi cumpleaños.
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.
B1 noun /ˈænəlɪst/

analyst

analista
Meaning
a person who studies or examines something carefully to understand it or make decisions
Example
The financial analyst predicted a rise in the stock market.
El analista financiero predijo un aumento en el mercado de valores.
B2 noun /ˈænsestri/

ancestry

ascendencia
Meaning
one’s family origins or lineage
Example
He is proud of his royal ancestry.
Él está orgulloso de su ascendencia real.
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.
C2 verb /əˈkuːtər/

accouter

equipar
Meaning
to equip or outfit, typically with military or ceremonial attire
Example
The soldiers were accoutered in full battle gear.
Los soldados estaban equipados con todo el equipo de batalla.
B2 adjective /əˈkjuːt/

acute

agudo
Meaning
present or experienced to a severe or intense degree; having sharp perception
Example
The patient suffered from acute pain after the surgery.
El paciente sufrió de dolor agudo después de la cirugía.
C2 noun /ɔːl/

awl

punzón
Meaning
a small pointed tool used for making holes, especially in leather
Example
The cobbler used an awl to punch holes in the leather.
El zapatero usó un punzón para hacer agujeros en el cuero.
C2 noun /əˈvɪdəti/

avidity

avidez
Meaning
extreme eagerness or enthusiasm
Example
He accepted the offer with avidity.
Aceptó la oferta con avidez.
B2 noun /ˌænθrəˈpɒlədʒi/

anthropology

antropología
Meaning
the scientific study of humans, their societies, cultures, and development
Example
She decided to major in anthropology at university.
Decidió especializarse en antropología en la universidad.
B1 noun /əˈkædəmi/

academy

academia
Meaning
an institution of learning or training
Example
He enrolled in a military academy.
Se inscribió en una academia militar.
A2 adverb /æz ˈjuː.ʒu.əl/

As usual

como siempre
Meaning
in the way that is normal or typical; customarily
Example
As usual, he arrived late to the meeting.
Como siempre, llegó tarde a la reunión.
B2 verb /əbˈzɔːrb/

absorb

absorber
Meaning
to take in or soak up a liquid, energy, or information
Example
The sponge absorbed all the water.
La esponja absorbió toda el agua.
A1 adverb /əˈraʊnd/

Around

alrededor; por todas partes; cerca; aproximadamente
Meaning
in a circle; on all sides; in the vicinity; approximately
Example
Look around and you will see many beautiful flowers.
Mira alrededor y verás muchas flores hermosas.
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.
B2 adjective /ɔːˈθen.tɪk/

Authentic

auténtico; genuino; real; no falso
Meaning
genuine; real; not fake or copied
Example
The museum displays only authentic artifacts from ancient civilizations.
El museo exhibe solo artefactos auténticos de civilizaciones antiguas.
C2 adjective /əˈdʌltəreɪtɪd/

adulterated

adulterado
Meaning
describes food, drink, or medicine made weaker or impure by the addition of another substance
Example
Authorities seized adulterated drugs from the warehouse.
Las autoridades incautaron medicamentos adulterados del almacén.
C2 noun ˌæɡ.roʊˈfɔːr.ɪ.stri

agroforestry

agroforestería
Meaning
A land use management system in which trees or shrubs are grown around or among crops or pastureland.
Example
Agroforestry improves soil quality and crop yield.
La agroforestería mejora la calidad del suelo y el rendimiento de los cultivos.
C2 adjective /eɪˈsɛptɪk/

aseptic

libre de gérmenes
Meaning
Free from contamination caused by harmful microorganisms; sterile.
Example
Surgeons must work in an aseptic environment to prevent infection.
Los cirujanos deben trabajar en un ambiente aséptico para prevenir infecciones.
B1 adjective /ədˈvɛnʧərəs/

adventurous

aventurero
Meaning
Willing to take risks or try out new methods, ideas, or experiences.
Example
They participated in adventurous activities like kayaking and hiking.
Ellos participaron en actividades aventureras como el kayak y el senderismo.
B1 adverb /ˈæftərwərd/

afterward

después
Meaning
at a later time; subsequently
Example
We went to dinner and watched a movie afterward.
Fuimos a cenar y después vimos una película.
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.
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 /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.
B1 adjective /əˈfɔːdəbl/

affordable

asequible
Meaning
inexpensive and within one's financial means
Example
This restaurant offers affordable meals for families.
Este restaurante ofrece comidas asequibles para las familias.
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.
A1 adverb /ˈɔːl.weɪz/

Always

siempre; para siempre; en todo momento
Meaning
at all times; on all occasions; forever
Example
She always arrives early to work.
Ella siempre llega temprano al trabajo.
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 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 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.
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.
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.
B1 noun əˈnæl.ə.sɪs

analysis

análisis
Meaning
Detailed examination and evaluation of data or information to understand its components and relationships.
Example
Data analysis is crucial for machine learning models.
El análisis de datos es crucial para los modelos de aprendizaje automático.
B1 noun ˌɑː.tɪˈfɪʃ.əl ɪnˈtɛl.ɪ.dʒəns

artificial intelligence

inteligencia artificial
Meaning
The theory and development of computer systems able to perform tasks normally requiring human intelligence.
Example
Artificial intelligence is revolutionizing education through smart tutoring.
La inteligencia artificial está revolucionando la educación a través de la tutoría inteligente.
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.
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.
B1 adverb /ˈɑːf.tə.wərdz/

Afterwards

después; luego; más tarde
Meaning
at a later time; after an event or time that has already been mentioned
Example
We had dinner and afterwards we watched a movie.
Tuvimos la cena y luego vimos una película.
B2 noun /eɪd/

aide

asistente
Meaning
An assistant or helper, especially to an important person.
Example
The senator’s aide organized the meeting with journalists.
El asistente del senador organizó la reunión con los periodistas.
B2 noun /æmˈbæsədər/

Ambassador

embajador
Meaning
an accredited diplomat sent by a country as its official representative to a foreign country
Example
The ambassador met with government officials to discuss trade agreements.
El embajador se reunió con funcionarios del gobierno para discutir acuerdos comerciales.
C2 noun /əˈpɒstəsi/

apostasy

apostasía
Meaning
The abandonment or renunciation of a religious or political belief.
Example
His public apostasy shocked his followers.
Su apostasía pública sorprendió a sus seguidores.
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 /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.
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 /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.
C1 noun /ˈælkoʊv/

alcove

rinconcito
Meaning
A small recessed section of a room or a nook.
Example
She placed a reading chair in the alcove near the window.
Ella colocó una silla de lectura en el rincón cerca de la ventana.
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.
B2 noun /əˈlaʊəns/

Allowance

asignación
Meaning
a sum of money paid regularly to a person; permission to do something
Example
Children receive a weekly allowance for helping with chores.
Los niños reciben una asignación semanal por ayudar con las tareas domésticas.
A1 noun /ˌæftərˈnuːn/

afternoon

tarde
Meaning
The part of the day between noon and evening.
Example
We met in the afternoon for coffee.
Nos encontramos por la tarde para tomar café.
C1 adverb /əˈlɜːrtli/

alertly

atentamente
Meaning
in a watchful, attentive, and quick-to-notice manner
Example
She listened alertly to every sound in the dark forest.
Ella escuchó atentamente cada sonido en el bosque oscuro.
B2 adjective /əˈfektɪd/

Affected

afectado; impactado
Meaning
influenced; impacted; touched by something
Example
The flood-affected areas need immediate assistance.
Las áreas afectadas por la inundación necesitan asistencia inmediata.
B1 noun /ˈædvərˌtaɪzɪŋ/

advertising

publicidad
Meaning
the activity of producing advertisements for products or services
Example
The company spends millions on advertising every year.
La empresa gasta millones en publicidad cada año.
C1 noun, verb /əˈsɛnt/

assent

asentimiento
Meaning
To agree to something, especially after careful consideration; an expression of approval.
Example
She nodded her head in silent assent.
Ella asintió con la cabeza en silencio.
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.
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.
B2 noun, verb /ˈɑːrkaɪv/

archive

archivo
Meaning
A collection of historical documents or records; to store or preserve information for future use.
Example
The library decided to archive all the old manuscripts.
La biblioteca decidió archivar todos los antiguos manuscritos.
B2 adjective /æbˈnɔːr.məl/

abnormal

anormal
Meaning
deviating from what is normal or usual, typically in a way that is undesirable
Example
The doctor noticed an abnormal growth in the patient’s lung.
El médico notó un crecimiento anormal en el pulmón del paciente.
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.
A2 verb /əˈtækt/

attacked

atacó
Meaning
physically or verbally assaulted someone or something; launched an aggressive action against a target
Example
The soldiers attacked the enemy at dawn.
Los soldados atacaron al enemigo al amanecer.
C1 adjective /əˈbɪzməl/

abysmal

atroz / espantoso
Meaning
extremely bad or appalling
Example
The team's performance was abysmal.
El rendimiento del equipo fue atroz.
B2 noun /ɔːˈtɒn.ə.məs ˈviː.ɪ.kəlz/

autonomous vehicles

vehículos autónomos
Meaning
Vehicles that can operate and move without human intervention or control.
Example
Autonomous vehicles are revolutionizing the future of transport.
Los vehículos autónomos están revolucionando el futuro del transporte.
B1 noun ˈɔːdioʊ ˈlɛsənz

audio lessons

lecciones de audio
Meaning
Educational content delivered through sound recordings, typically used for language learning and skill development.
Example
Audio lessons are useful for listening skills.
Las lecciones de audio son útiles para las habilidades de escucha.
A1 pronoun /ˈɛnɪθɪŋ/

anything

cualquier cosa
Meaning
any object, event, or matter; whatever thing
Example
You can ask me anything about the project.
Puedes preguntarme cualquier cosa sobre el proyecto.
C2 noun /ˈæntɪkwɛri/

antiquary

antiquario
Meaning
A person who studies, collects, or deals in antiques or ancient objects.
Example
The antiquary spent years collecting rare manuscripts from the medieval period.
El antiquario pasó años recolectando manuscritos raros del período medieval.
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.
B2 noun /əˈnælədʒi/

analogy

analogía
Meaning
A comparison between two things for the purpose of explanation or clarification.
Example
The teacher used the analogy of a tree to explain the structure of an essay.
El maestro utilizó la analogía de un árbol para explicar la estructura de un ensayo.
C1 verb /ænˈtæɡənaɪz/

antagonize

antagonizar
Meaning
to cause someone to become hostile or angry; to provoke opposition
Example
His rude remarks only served to antagonize his colleagues.
Sus comentarios groseros solo sirvieron para antagonizar a sus colegas.
B2 noun /əˌbriːviˈeɪʃən/

abbreviation

abreviatura
Meaning
a shortened form of a word or phrase
Example
NASA is an abbreviation for National Aeronautics and Space Administration.
NASA es una abreviatura de National Aeronautics and Space Administration.
C2 adjective /ˈɑːrtləs/

artless

sencillo, natural
Meaning
Without deception or pretentiousness; natural and simple.
Example
Her artless smile made everyone feel at ease.
Su sonrisa sincera hizo que todos se sintieran cómodos.
B1 noun æmˈbɪʃ.ən

ambition

ambición
Meaning
A strong desire to do or achieve something, typically requiring determination and hard work.
Example
Their ambition is to build a quantum computer.
Su ambición es construir una computadora cuántica.
C1 adjective ˈeɪlɪəneɪtɪd

alienated

alienado
Meaning
Feeling isolated or estranged; disconnected from others or society.
Example
Alienated students are more prone to delinquency.
Los estudiantes alienados son más propensos a la delincuencia.
B1 noun /ˌæv.əˈkɑː.doʊ/

Avocado

aguacate
Meaning
a green pear-shaped fruit with creamy flesh and high fat content, often used in healthy diets
Example
Avocado is rich in healthy fats and is popular in salads and toast.
El aguacate es rico en grasas saludables y es popular en ensaladas y tostadas.
B2 verb /ˈɔːltər/

alter

alterar
Meaning
to change or modify something slightly but significantly
Example
She decided to alter her dress to make it fit better.
Ella decidió alterar su vestido para que encajara mejor.
B2 adjective əˈstɒnɪʃɪŋ

astonishing

asombroso
Meaning
Extremely surprising or impressive; amazing.
Example
The astonishing discovery changed the way we view the universe.
El asombroso descubrimiento cambió la forma en que vemos el universo.
B2 noun, verb /ˈævəlæntʃ/

avalanche

avalancha
Meaning
(noun) a mass of snow, ice, and rocks falling rapidly down a mountainside; a sudden overwhelming quantity; (verb) to descend like an avalanche
Example
The avalanche buried the mountain road under tons of snow.
La avalancha enterró la carretera de montaña bajo toneladas de nieve.
B2 adjective /əˈkaʊntəbl/

accountable

responsable
Meaning
Required or expected to justify actions or decisions; responsible.
Example
Staying accountable helps reduce delays.
Estar responsable ayuda a reducir los retrasos.
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.
A1 noun /ˈæp.əl/

Apple

manzana
Meaning
a round fruit with red, green, or yellow skin and white flesh
Example
I eat an apple every day for breakfast.
Yo como una manzana todos los días para el desayuno.
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 adjective əˈsɪd.ju.əs

assiduous

aplicado o diligente
Meaning
Showing great care and perseverance; diligent and hardworking.
Example
His assiduous efforts led to a successful career.
Sus esfuerzos diligentes lo llevaron a una carrera exitosa.
B2 noun /ɑːrˈkeɪd/

arcade

arcade
Meaning
a covered passage with arches along one or both sides; also a place with coin-operated games
Example
The children spent the afternoon playing games at the arcade.
Los niños pasaron la tarde jugando en el arcade.
B2 noun /ˌæktɪˈveɪʃən/

activation

activación
Meaning
the act of making something start functioning
Example
The activation of the system took longer than expected.
La activación del sistema tomó más tiempo de lo esperado.
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.
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 noun /ˈækəlaɪt/

acolyte

acólito
Meaning
a follower or assistant, especially in a religious service or as a devoted supporter of a leader
Example
The senator arrived with a small group of acolytes who handled the press.
El senador llegó con un pequeño grupo de acólitos que se encargaban de la prensa.
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 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.
C2 adjective /ˈæn.ə.daɪn/

anodyne

inofensivo, que alivia el dolor
Meaning
Not likely to cause offense; bland or harmless. Also refers to something that relieves pain.
Example
The speaker’s anodyne remarks avoided controversy.
Los comentarios anodinos del orador evitaron la controversia.
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.
B2 adjective ˌæn.tiˌdɪs.krɪˈmɪn.eɪ.ʃən

anti-discrimination

anti-discriminatorio
Meaning
Opposed to or working against discrimination; promoting equal treatment regardless of differences.
Example
The anti-discrimination movement was groundbreaking.
El movimiento anti-discriminatorio fue revolucionario.
B2 noun /ˌæk.wɪˈzɪʃ.ən/

Acquisition

adquisición, compra, adquisición de activos
Meaning
An asset or object bought or obtained, typically by a library or museum.
Example
The company's acquisition strategy boosted growth.
La estrategia de adquisición de la empresa impulsó el crecimiento.
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.
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.
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.
B2 noun /ˈeɪkər/

acre

acre
Meaning
a unit of land area equal to 4,840 square yards (about 4,047 square meters)
Example
The farmer owns five acres of fertile land.
El granjero posee cinco acres de tierra fértil.
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.
B1 noun /ˈɑːrtwɜːrk/

artwork

obra de arte
Meaning
a piece of art, such as a painting, sculpture, or drawing
Example
The gallery displayed an impressive artwork by a local artist.
La galería exhibió una impresionante obra de arte de un artista local.
C2 noun əˌklaɪ.mə.tɪˈzeɪ.ʃən

acclimatization

aclimatación
Meaning
The process of adapting to a new environment or condition.
Example
The hikers needed time for acclimatization to high altitudes.
Los excursionistas necesitaron tiempo para la aclimatación a grandes altitudes.
B2 noun /ˌɑːr.kiˈɑː.lə.dʒi/

archeology

arqueología
Meaning
the study of human history and prehistory through excavation and analysis of artifacts and structures
Example
She decided to study archeology to learn about ancient civilizations.
Decidió estudiar arqueología para aprender sobre civilizaciones antiguas.
A2 verb /əˈnɔɪ/

annoy

molestar
Meaning
to irritate or bother someone and make them feel a little angry or uncomfortable
Example
His constant humming started to annoy everyone in the room.
Su constante zumbido empezó a molestar a todos en la sala.
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.