authenticate
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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.
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.
A1 determiner/pronoun /əˈnʌðər/

another

otro
Meaning
one more person or thing of the same type
Example
Can I have another cup of tea?
¿Puedo tener otro vaso de té?
B2 adjective /əˈten.tɪv/

Attentive

atento; alerta; vigilante
Meaning
careful to pay attention; alert and observant
Example
The attentive student listened carefully to every word the teacher said.
El estudiante atento escuchó cuidadosamente cada palabra que dijo el maestro.
B2 verb /əˈkweɪnt/

acquaint

familiarizar
Meaning
to make someone familiar with something; to inform or introduce
Example
Please acquaint yourself with the safety guidelines before operating the machine.
Por favor, familiarícese con las pautas de seguridad antes de operar la máquina.
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'.
C2 verb /əˈvaʊ/

avow

declarar abiertamente
Meaning
to openly declare or admit something, often publicly and firmly
Example
He avowed his loyalty to the cause without hesitation.
Él declaró abiertamente su lealtad a la causa sin dudar.
C2 adjective /eɪˈrɪðmɪk/

arrhythmic

arítmico
Meaning
Lacking a regular rhythm or beat.
Example
The patient had an arrhythmic heartbeat.
El paciente tenía un latido cardíaco arítmico.
A2 noun/verb /əˈmaʊnt/

amount

cantidad
Meaning
a quantity of something, typically the total of a thing or things in number, size, value, or extent
Example
The total amount of money is not enough.
La cantidad total de dinero no es suficiente.
C2 noun /ænˈtɪstrəfi/

antistrophe

antístrofe (un recurso retórico)
Meaning
A rhetorical device in which a word or phrase is repeated at the end of successive clauses; in Greek choral poetry, the part of the ode sung by the chorus in return movement.
Example
The poet used antistrophe to emphasize the repeated phrase.
El poeta usó la antístrofe para enfatizar la frase repetida.
C2 verb /əˈleɪ/

allay

aliviar
Meaning
to reduce the intensity of fear, worry, or pain; to calm
Example
The teacher tried to allay the students’ fears before the exam.
El maestro intentó aliviar los miedos de los estudiantes antes del examen.
A1 adjective /ˈæŋ.ɡri/

Angry

enfadado; iracundo;
Meaning
feeling or showing strong displeasure; furious; irritated
Example
She was angry because someone had broken her favorite vase.
Ella estaba enojada porque alguien rompió su jarrón favorito.
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 adjective /ˌæn.tiˈsoʊ.ʃəl/

Antisocial

antisocial; hostil al orden social
Meaning
avoiding social interaction; hostile to social order
Example
His antisocial behavior made it difficult for him to make friends.
Su comportamiento antisocial hizo que fuera difícil hacer amigos.
A2 adverb /əˈpɑːrt/

Apart

separadamente; lejos el uno del otro; en piezas
Meaning
separately; away from each other; in pieces
Example
The two buildings are far apart from each other.
Los dos edificios están muy separados el uno del otro.
B1 adjective /ˈɔːkwəd/

awkward

incómodo
Meaning
causing or feeling embarrassment; difficult to deal with
Example
There was an awkward silence after his joke.
Hubo un silencio incómodo después de su broma.
C2 verb /əˈdʒʌdʒ/

adjudge

adjudicar
Meaning
to consider or declare officially in a legal or formal manner
Example
He was adjudged guilty by the court.
Fue declarado culpable por el tribunal.
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 /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.
B2 adjective əˈkwætɪk

aquatic

acuático
Meaning
Growing or living in or near water; of or relating to water.
Example
Aquatic species are being endangered by pollution.
Las especies acuáticas están siendo amenazadas por la contaminación.
B2 noun/verb /eɪp/

ape

un gran primate similar a un mono / imitar
Meaning
a large primate similar to a monkey but without a tail; as a verb, to imitate or mimic
Example
Children often ape the behavior of adults.
Los niños a menudo imitan el comportamiento de los adultos.
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.
C2 noun /əˈsɜːrbəti/

acerbity

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

Arabian Jasmine

jazmín árabe
Meaning
A fragrant white flower native to South and Southeast Asia, commonly used in perfumes and religious ceremonies
Example
The Arabian jasmine filled the garden with its sweet fragrance.
El jazmín árabe llenó el jardín con su dulce fragancia.
C2 noun /ˈɔːldərmənʃɪp/

aldermanship

cargo de concejal
Meaning
The office, position, or dignity of an alderman.
Example
He was honored with aldermanship after years of service.
Fue honrado con el cargo de concejal después de años de servicio.
C1 noun /ænˈθɒlədʒi/

anthology

antología
Meaning
A collection of literary works, such as poems, short stories, or essays, compiled into one volume.
Example
She contributed a poem to the new poetry anthology.
Ella contribuyó con un poema a la nueva antología de poesía.
A2 noun /əˈɡriː.mənts/

agreements

acuerdos
Meaning
Formal arrangements or understandings between two or more parties.
Example
Agreements strengthen partnerships.
Los acuerdos fortalecen las asociaciones.
C2 adjective /əˈbɑː.mə.nə.bəl/

abominable

abominable
Meaning
causing moral revulsion; extremely unpleasant
Example
The prisoners were kept in abominable conditions.
Los prisioneros fueron mantenidos en condiciones abominables.
B2 noun ɔːˈtɒnəmi

autonomy

autonomía
Meaning
The right or condition of self-government; freedom from external control or influence.
Example
Autonomy was a primary demand.
La autonomía fue una demanda principal.
C2 noun /əbˈdʌktər/

abductor

secuestrador
Meaning
a person who kidnaps or forcibly takes someone away
Example
The police arrested the abductor after a nationwide search.
La policía arrestó al secuestrador después de una larga búsqueda.
A2 preposition /əˈɡɛnst/ or /əˈɡeɪnst/

against

contra
Meaning
In opposition to; contrary to; touching or resting on.
Example
They voted against the proposal.
Votaron en contra de la propuesta
C2 noun /əˈdɛndəm/

addendum

adenda
Meaning
an additional item or piece of information added at the end of a document or book
Example
The report included an addendum with updated statistics.
El informe incluía un adenda con estadísticas actualizadas.
A2 adjective, adverb, interjection /ɔːlˈraɪt/

alright

bien
Meaning
satisfactory or acceptable; safe or unharmed; used to express agreement or acknowledgment
Example
Everything is going to be alright.
Todo va a estar bien.
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.
C2 verb /əˈsɛvəˌreɪt/

asseverate

aseverar
Meaning
to affirm or declare positively and earnestly
Example
He asseverated that he had never seen the man before.
Él afirmó que nunca había visto al hombre antes.
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.
A2 adverb /ˈæktʃuəli/

actually

en realidad
Meaning
used to emphasize that something is true, especially when surprising
Example
She actually completed the project ahead of schedule.
Ella en realidad completó el proyecto antes de lo previsto.
B1 noun /ˈædʒɪktɪv/

adjective

adjetivo
Meaning
a word that describes or modifies a noun by giving more information about its quality, quantity, or state
Example
The adjective in the sentence adds more detail to the noun.
El adjetivo añade información al sustantivo.
B2 noun /əˈsɜːʃən/

assertion

afirmación
Meaning
a confident and forceful statement of fact or belief
Example
Her assertion that she was right was met with silence.
Su afirmación de que tenía razón fue recibida con silencio.
C2 adjective /ˈæpəˌleɪt/

appellate

relacionado con apelaciones
Meaning
relating to appeals in a court of law
Example
The case was taken to an appellate court.
El caso fue llevado a un tribunal de apelaciones.
B2 noun ədˈvɑːns.mənts

advancements

avances
Meaning
The process of promoting or moving forward; development or improvement.
Example
Scientific advancements enhance global innovation.
Los avances científicos mejoran la innovación global.
C2 adjective /ˌækwiˈɛsənt/

acquiescent

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

actuarial

actuarial
Meaning
Relating to actuaries or their work of analyzing financial risk and uncertainty, especially in insurance and pensions.
Example
The company relied on actuarial reports to set insurance premiums.
La empresa confió en los informes actuariales para fijar las primas de seguros.
C1 noun /əˈbɪs/

abyss

abismo
Meaning
a deep, immeasurable space, chasm, or void; something seemingly without end
Example
The climbers looked down into the dark abyss below.
Los escaladores miraron hacia abajo en el oscuro abismo.
C2 noun /ˌæd.ʌmˈbreɪ.ʃən/

adumbration

presagio vago
Meaning
a vague foreshadowing or symbolic representation of something
Example
The play offers an adumbration of the political unrest to come.
La obra ofrece un presagio vago del malestar político que se avecina.
C2 noun /ˈɛərəˌstæt/

aerostat

aerostato
Meaning
A lighter-than-air craft, such as a balloon, that is lifted by gas.
Example
The military used an aerostat for surveillance over the border.
El ejército usó un aerostato para vigilancia sobre la frontera.
A2 noun /ˈæk.tər/

Actor

actor
Meaning
a person whose profession is acting on the stage, in movies, or on television
Example
The famous actor won an award for his performance in the new movie.
El famoso actor ganó un premio por su actuación en la nueva película.
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.
A2 noun /ˈeə.ri.ə/

area

área
Meaning
a particular region or space; the extent of a surface
Example
This area is known for its beautiful parks.
Esta área es conocida por sus hermosos parques.
A2 adjective /əˈlaɪv/

Alive

vivo; no muerto; lleno de vida y energía
Meaning
living; not dead; full of life and energy
Example
The old man is still alive and healthy.
El viejo hombre sigue vivo y saludable.
A2 conjunction /ɔːlˈðoʊ/

although

aunque
Meaning
in spite of the fact that; even though
Example
Although it was raining, they went for a walk.
Aunque estaba lloviendo, salieron a caminar.
C2 adjective /ˌæntɪˈθɛtɪkəl/

antithetical

antitético
Meaning
Directly opposed or contrasted; mutually incompatible.
Example
His views were antithetical to the values of the organization.
Sus puntos de vista eran antitéticos a los valores de la organización.
B2 noun əˈbʌndəns

abundance

abundancia
Meaning
A very large quantity of something; plenty
Example
The abundance of vegetables in winter is remarkable.
La abundancia de verduras en invierno es notable.
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.
B2 adverb /ˈæk.jə.rət.li/

Accurately

de manera precisa, sin errores, correctamente
Meaning
in an exact way, without any mistakes; precisely; correctly
Example
She accurately predicted the outcome of the election.
Ella predijo con precisión el resultado de la elección.
B1 adverb /ˌæbsəˈluːtli/

Absolutely

totalmente; completamente; sin excepción
Meaning
completely; totally; without exception
Example
I absolutely agree with your decision.
Estoy completamente de acuerdo con tu decisión.
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.
C2 adjective, adverb /əˈfʊt/

afoot

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

aeronaut

aeronauta
Meaning
A person who travels in an airship, balloon, or other aircraft.
Example
The aeronaut skillfully guided the hot-air balloon across the valley.
El aeronauta guió hábilmente el globo aerostático a través del valle.
C2 noun /æmˈbroʊʒə/

ambrosia

ambrosía
Meaning
The food of the gods in classical mythology; something extremely pleasing to taste or smell.
Example
The dessert was so delicious that it tasted like ambrosia.
El postre estaba tan delicioso que sabía a ambrosía.
A1 preposition, conjunction, adverb /ˈæftər/

after

después
Meaning
in the time following an event or another action
Example
We went for ice cream after the movie.
Fuimos a comer helado después de la película.
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.
B2 noun /ɑːrtʃ/

arch

arco
Meaning
a curved symmetrical structure spanning an opening and typically supporting the weight above it
Example
The ancient arch still stands in the city center.
El antiguo arco todavía está en pie en el centro de la ciudad.
C2 noun /ˌæpəˈleɪʃən/

appellation

título / nombre
Meaning
a name or title
Example
The city has earned the appellation 'The Big Apple'.
La ciudad ha ganado el título 'La Gran Manzana'.
B2 adjective /əˈlaɪd/

Allied

aliado; asociado; relacionado
Meaning
joined by agreement or treaty; associated; connected
Example
The allied forces worked together during the war.
Las fuerzas aliadas trabajaron juntas durante la guerra.
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.
B1 verb /əˈfɛkt/

affect

afectar
Meaning
to influence or make a difference to something
Example
The weather can greatly affect our mood.
El clima puede afectar mucho nuestro estado de ánimo.
C2 verb /əˈkriːt/

accrete

acumularse
Meaning
to grow or increase gradually by accumulation or addition
Example
Dust particles accrete over time to form larger celestial bodies.
Las partículas de polvo se acumulan con el tiempo para formar cuerpos celestes más grandes.
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 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.
B2 adjective /ˌærəˈmætɪk/

aromatic

aromático
Meaning
Having a pleasant and distinctive smell.
Example
The chef used aromatic herbs to flavor the dish.
El chef utilizó hierbas aromáticas para dar sabor al plato.
C2 adverb /əˈθwɔːrt/

athwart

de forma transversal, en oposición
Meaning
Across or in opposition to something.
Example
A fallen tree lay athwart the road, blocking traffic.
Un árbol caído yacía de forma transversal en la carretera, bloqueando el tráfico.
C2 adjective /ədˈmɒnɪtəri/

admonitory

amonestador
Meaning
giving or conveying a warning or reprimand
Example
She gave him an admonitory glance.
Ella le dio una mirada amonestadora.
C2 adjective /ˈæpəzɪt/

apposite

apropiado
Meaning
highly appropriate or relevant to what is being discussed
Example
Her remark was particularly apposite to the situation.
Su comentario fue particularmente apropiado para la situación.
A2 noun /ˈɔːdiəns/

audience

audiencia
Meaning
A group of people who gather to watch, listen to, or experience a performance, event, or broadcast.
Example
The audience clapped loudly after the performance.
La audiencia aplaudió fuerte después de la actuación.
B2 noun əˈmendmənt

amendment

enmienda
Meaning
A minor change in a document.
Example
The amendment was not supported.
La enmienda no fue apoyada.
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 /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 /ˈɑː.kɪ.taɪp/

archetype

arquetipo, modelo original
Meaning
A very typical example of a certain person or thing; an original model or prototype.
Example
This painting is the archetype of modern art.
Esta pintura es el arquetipo del arte moderno.
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.
A2 verb /əˈpɒlədʒaɪz/

apologize

disculparse
Meaning
to say sorry for something wrong you have done
Example
He apologized for being late to the meeting.
Él se disculpó por llegar tarde a la reunión.
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 adjective /ˈækʃənəbl̩/

actionable

ejecutable
Meaning
Able to be acted on or giving sufficient reason for legal action.
Example
The lawyer confirmed that the evidence was actionable in court.
El abogado confirmó que la evidencia era ejecutable en la corte.
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.
C2 noun /ˈævərɪs/

avarice

avaricia
Meaning
extreme greed for wealth or material gain
Example
His avarice led him to exploit his workers.
Su avaricia lo llevó a explotar a sus trabajadores.
B2 noun /ˈæktɪvɪst/

activist

activista
Meaning
A person who works to bring about social or political change.
Example
The activist organized a protest against pollution.
El activista organizó una protesta contra la contaminación.
B1 adjective /əˈmjuː.zɪŋ/

Amusing

divertido; gracioso; entretenido
Meaning
causing laughter or providing entertainment; funny; enjoyable
Example
The children found the clown's performance very amusing.
Los niños encontraron la actuación del payaso muy divertida.
C2 noun /ˈæpəˌlɔːɡ/

apologue

cuento moral
Meaning
a short moral story or fable intended to teach a lesson
Example
The teacher used an old apologue to explain honesty to the children.
El maestro usó un viejo cuento moral para explicar la honestidad a los niños.
C2 noun ˌæb.əˈreɪ.ʃən

aberration

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

anthropomorphic

antropomórfico
Meaning
attributing human characteristics to non-human things, like animals or objects
Example
The cartoon shows an anthropomorphic cat walking on two legs.
El dibujo animado muestra un gato antropomórfico caminando sobre dos patas.
C1 noun /ˈæd.vənt/

advent

advenimiento
Meaning
The arrival of a notable person, thing, or event.
Example
The advent of the internet changed the way people communicate.
El advenimiento de Internet cambió la forma en que las personas se comunican.
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.
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.
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.
C2 noun /ɑːmz/

alms

limosna
Meaning
Money, food, or goods given to the poor as charity.
Example
The monk distributed alms to the needy villagers.
El monje distribuyó limosnas a los pobres aldeanos.
B2 noun /ˈælkəhɒlɪzəm/

alcoholism

alcoholismo
Meaning
A chronic disease characterized by uncontrolled drinking and preoccupation with alcohol.
Example
His alcoholism affected both his health and his family life.
Su alcoholismo afectó tanto su salud como su vida familiar.
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.
A2 noun /ədˈvæn.tɪdʒ/

Advantage

ventaja; beneficio
Meaning
a condition or circumstance that puts one in a favorable position; a benefit
Example
Having a college degree gives you an advantage in the job market.
Tener un título universitario te da una ventaja en el mercado laboral.
C2 verb /əˈvɜːr/

aver

afirmar
Meaning
to state or assert something confidently and strongly
Example
She averred that she was innocent.
Ella afirmó que era inocente.
A2 verb əˈnaʊnst

announced

anunciado
Meaning
To make a public and typically formal declaration about a fact, occurrence, or intention.
Example
The mission was announced publicly.
La misión fue anunciada públicamente.
B2 noun ˌæn.tiˈɒk.sɪ.dənts

antioxidants

antioxidantes
Meaning
A substance that may prevent or delay some types of cell damage.
Example
Fruits and vegetables are rich in antioxidants.
Las frutas y verduras son ricas en antioxidantes.
C1 noun /ˌænθrəˈpɒlədʒɪst/

anthropologist

antropólogo
Meaning
a person who studies human societies, cultures, and their development
Example
The anthropologist spent years studying the tribal community.
El antropólogo pasó años estudiando la comunidad tribal.
B1 noun /əˌsoʊsiˈeɪʃən/

association

asociación
Meaning
an organized group of people who have joined together for a common purpose
Example
She is a member of the local teachers' association.
Ella es miembro de la asociación de maestros local.
B2 verb /ˈæmplɪˌfaɪ/

amplify

amplificar
Meaning
to make sounds louder; to make something larger or more significant
Example
The microphone amplifies her voice.
El micrófono amplifica su voz.
A2 noun /ˈeər kənˈdɪʃ.ən.ər/

Air conditioner

aire acondicionado
Meaning
a system that controls the temperature, humidity, and air quality in a building or room
Example
We turned on the air conditioner because it was too hot outside.
Encendimos el aire acondicionado porque hacía demasiado calor afuera.
B1 noun, verb /eɪd/

aid

ayuda
Meaning
help or support, typically of a practical nature
Example
The volunteers provided aid to the flood victims.
Los voluntarios proporcionaron ayuda a las víctimas de la inundación.
C2 noun /ˈɑːriə/

aria

pieza vocal en solitario
Meaning
a solo vocal piece with instrumental accompaniment, typically in an opera
Example
The soprano performed a moving aria during the second act.
La soprano interpretó un aria conmovedora durante el segundo acto.
C2 noun /ˈɑːrkeɪˌɪzəm/

archaism

arcaísmo
Meaning
a word, expression, or style of language that is no longer in everyday use
Example
The poem is full of archaisms that give it an old-fashioned flavor.
El poema está lleno de arcaísmos que le dan un sabor anticuado.
C1 noun /əˈpɒlədʒɪst/

apologist

defensor
Meaning
a person who defends or justifies something, often a controversial belief or institution
Example
He is known as an apologist for authoritarian regimes.
Él es conocido como un defensor de los regímenes autoritarios.
A1 noun /ˈɑːnti/

aunty

tía
Meaning
the sister of one’s father or mother; a term of respectful address for an older woman, especially in South Asian usage
Example
My aunty lives near our house and often visits us.
Mi tía vive cerca de nuestra casa y nos visita a menudo.
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.
A2 adverb /ˌɛniˈmɔr/

anymore

ya no
Meaning
used to refer to the present time, typically to mean no longer
Example
He doesn’t live here anymore.
Él ya no vive aquí.
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.
C2 noun /əˈsɛt.ɪˌsɪz.əm/

asceticism

ascetismo, autodisciplina
Meaning
The practice of severe self-discipline and abstaining from indulgence, typically for religious or spiritual reasons.
Example
Asceticism has been a part of many religious traditions throughout history.
El ascetismo ha sido parte de muchas tradiciones religiosas a lo largo de la historia.
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 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.
C2 adjective /əˈpɒ.krɪ.fəl/

apocryphal

dudoso
Meaning
Of doubtful authenticity, though widely circulated as true.
Example
The story about him saving the village is probably apocryphal.
La historia de él salvando el pueblo probablemente es dudosa.
A1 preposition, adverb /əˈbaʊt/

about

sobre
Meaning
concerning; on the subject of; approximately
Example
We talked about the new project yesterday.
Hablamos sobre el nuevo proyecto ayer.
B2 noun /æmˈfɪbiən/

amphibian

anfibio
Meaning
A cold-blooded vertebrate animal that can live both on land and in water.
Example
A frog is a common amphibian that lives both in water and on land.
Una rana es un anfibio común que vive tanto en el agua como en la tierra.
C2 adjective /ˈæsənənt/

assonant

asonante
Meaning
Having or characterized by assonance; repeating similar vowel sounds.
Example
The poem is filled with assonant words that create a musical rhythm.
El poema está lleno de palabras asonantes que crean un ritmo musical.
C2 noun /ˈæktʃuˌɛri/

actuary

actuario
Meaning
A professional who analyzes financial risk using mathematics, statistics, and financial theory, especially in insurance and pensions.
Example
The actuary calculated the risk before finalizing the insurance policy.
El actuario calculó el riesgo antes de finalizar la póliza de seguro.