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B2 verb ədˈhɪər

adhere

adherir
Meaning
To stick firmly to something or stay attached.
Example
Neutrons adhere to protons.
Los neutrones se adhieren a los protones.
A2 verb /əˈtrækt/

attract

atraer
Meaning
to cause someone to have interest or draw something towards
Example
The flowers attract bees with their bright colors.
Las flores atraen a las abejas con sus colores brillantes.
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.
A2 noun /ˈæk.ʃənz/

actions

acciones
Meaning
The fact or process of doing something, typically to achieve an aim.
Example
Immediate actions are needed for pollution control.
Se necesitan acciones inmediatas para el control de la contaminación.
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.
C2 noun /ˈæltruɪst/

altruist

altruista
Meaning
a person who has an unselfish concern for the welfare of others
Example
He is an altruist who always puts others' needs before his own.
Él es un altruista que siempre pone las necesidades de los demás antes que las suyas propias.
C2 adjective /ˈækwɪˌlaɪn/

aquiline

de pico de águila
Meaning
curved like an eagle's beak; hooked
Example
He had an aquiline nose that gave him a distinguished appearance.
Él tenía una nariz de pico de águila que le daba una apariencia distinguida.
C1 noun ˌæf.ɔːr.ɪˈsteɪ.ʃən

afforestation

reforestación
Meaning
The action of planting trees on an area of land in order to form a forest.
Example
Afforestation helps restore biodiversity.
La reforestación ayuda a restaurar la biodiversidad.
C1 noun /əˈliː.dʒəns/

allegiance

lealtad
Meaning
Loyalty or commitment of a subordinate to a superior or of an individual to a group or cause.
Example
Soldiers take an oath of allegiance to their country.
Los soldados hacen un juramento de lealtad a su país.
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.
B1 noun /ˈæŋkəl/

ankle

tobillo
Meaning
the joint connecting the foot with the leg
Example
He twisted his ankle while playing football.
Se torció el tobillo mientras jugaba al fútbol.
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.
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 /ˈɑːrməri/

armory

arsenal
Meaning
A place where weapons are stored; a supply of resources or skills.
Example
The soldiers kept their weapons in the armory.
Los soldados guardaron sus armas en el arsenal.
C1 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.
B1 noun /ˈɔː.θər/

Author

autor
Meaning
a person who writes books, articles, or other written work
Example
The author spent three years writing her bestselling novel.
El autor pasó tres años escribiendo su novela más vendida.
A2 noun /ænt/

Ant

hormiga
Meaning
a small insect that lives in organized colonies and is known for hard work
Example
The ant carried a crumb that was twice its size.
La hormiga cargó una migaja que era el doble de su tamaño.
B1 noun /ədˈvæns/

Advance

avance; desarrollo; pago por adelantado
Meaning
progress or development; movement forward; money paid before it is due
Example
Technology has made great advances in recent years.
La tecnología ha logrado grandes avances en los últimos años.
A2 adjective /əˈveɪləbl/

available

disponible
Meaning
Able to be used, obtained, or accessed.
Example
The product is now available in all stores.
El producto ahora está disponible en todas las tiendas.
C2 adjective /əˈθɜːrst/

athirst

sediento, ansioso
Meaning
Very eager or desirous for something.
Example
The explorer was athirst for adventure.
El explorador estaba sediento de aventura.
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.
B2 adjective /ˌædvənˈteɪdʒəs/

Advantageous

ventajoso; favorable; lucrativo
Meaning
beneficial; favorable; profitable
Example
This position offers advantageous opportunities for career growth.
Esta posición ofrece oportunidades ventajosas para el crecimiento profesional.
B1 noun /ˈætməsˌfɪər/

Atmosphere

atmósfera
Meaning
the envelope of gases surrounding the earth or another planet; the pervading tone or mood of a place
Example
The atmosphere protects us from harmful solar radiation.
La atmósfera nos protege de la radiación solar perjudicial.
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.
C2 noun /ˌæk.wiˈes.əns/

acquiescence

acuerdo tácito
Meaning
The reluctant acceptance of something without protest.
Example
His silent acquiescence to unfair rules was surprising.
Su silencioso acuerdo tácito con las reglas injustas fue sorprendente.
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 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.
B1 noun /ˈɛər.kræft/

aircraft

aeronave
Meaning
A vehicle, such as an airplane or helicopter, that can fly in the air.
Example
The military aircraft flew over the city.
La aeronave militar voló sobre la ciudad.
B2 noun ˌæs.pɪˈreɪ.ʃən

aspiration

aspiración
Meaning
A hope or ambition of achieving something, a strong desire or goal to achieve something.
Example
His aspiration is to become a successful entrepreneur.
Su aspiración es convertirse en un emprendedor exitoso.
C2 adjective /ˌækrəˈmætɪk/

achromatic

acromático
Meaning
without color; free from color
Example
The designer chose an achromatic palette of black, white, and gray.
El diseñador eligió una paleta acromática de negro, blanco y gris.
A1 adverb /əˈweɪ/

Away

lejos
Meaning
to or at a distance; not present; absent
Example
He walked away from the noisy crowd.
Él se alejó de la multitud ruidosa.
C2 noun /ˈænɪməlˌkjuːl/

animalcule

animalcule
Meaning
A microscopic animal, especially a protozoan or other minute organism.
Example
The scientist observed an animalcule moving under the microscope.
El científico observó un animalcule moviéndose bajo el microscopio.
B1 verb /əˈkjuːz/

accuse

acusar
Meaning
to charge someone with a crime or wrongdoing
Example
She accused him of stealing her wallet.
Ella lo acusó de robar su billetera.
C2 noun /ˈɔːriˌoʊl/

aureole

aureola
Meaning
A halo or radiance surrounding the head or body, often in religious art.
Example
The painting showed the saint with an aureole around his head.
La pintura mostró al santo con un aureól alrededor de su cabeza.
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 /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.
A1 adjective /əˈfreɪd/

afraid

temeroso
Meaning
feeling fear or anxiety; worried that something undesirable will happen
Example
She was afraid of the dark.
Ella tenía miedo de la oscuridad.
B2 noun /əˈnætəmi/

anatomy

anatomía
Meaning
the study of the structure of living things, especially the human body
Example
She is studying human anatomy at medical school.
Ella está estudiando anatomía humana en la escuela de medicina.
C2 verb /ˈæbrəɡeɪt/

abrogate

abrogar
Meaning
To formally repeal, cancel, or abolish a law, agreement, or custom.
Example
The government decided to abrogate the outdated treaty.
El gobierno decidió abrogar el tratado obsoleto.
C2 noun /əˈkʌmpənɪst/

accompanist

acompañante
Meaning
A person who plays a musical instrument to support a singer or another musician.
Example
The pianist served as the accompanist for the singer during the concert.
El pianista actuó como acompañante del cantante durante el concierto.
B1 verb /əˈrɛst/

arrest

detener
Meaning
to catch and hold by legal authority; to stop suddenly
Example
The police will arrest the suspect tomorrow.
La policía arrestará al sospechoso mañana.
C2 adjective /ˌɑːrbəˈrɛsənt/

arborescent

arborescente
Meaning
having the appearance or characteristics of a tree; tree-like
Example
The coral had an arborescent form that resembled a miniature forest.
El coral tenía una forma arbórea que se parecía a un pequeño bosque.
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.
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.
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.
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.
B2 noun /ˈækjərəsi/

Accuracy

exactitud; precisión
Meaning
the quality of being correct or precise; exactness
Example
The accuracy of the measurements is very important.
La exactitud de las mediciones es muy importante.
C2 noun /ˈɔːɡjʊri/

augury

augurio
Meaning
A sign or omen that is believed to predict future events.
Example
The dark clouds were seen as an augury of an approaching storm.
Las nubes oscuras fueron vistas como un augurio de una tormenta que se acercaba.
B1 adjective /ˈæktʃuəl/

actual

real
Meaning
real and existing, not just imagined or supposed
Example
The actual cost was higher than expected.
El costo real fue más alto de lo esperado.
B2 verb /ˈɔːdɪt/

audit

auditar
Meaning
to examine and verify financial records or accounts officially
Example
The accountant will audit the company's books next month.
El contador auditará los libros de la empresa el próximo mes.
C2 adjective /ænˈdrɒdʒɪnəs/

androgynous

andrógino
Meaning
Having both male and female characteristics; not clearly masculine or feminine.
Example
The fashion show featured models with an androgynous look.
El desfile de moda presentó modelos con un look andrógino.
C2 noun /ˈiːdʒɪs/

aegis

protección
Meaning
The protection, backing, or support of a particular person or organization.
Example
The project was carried out under the aegis of the United Nations.
El proyecto se llevó a cabo bajo el auspicio de las Naciones Unidas.
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.
C2 noun /ˌæɡ.rəˈdeɪ.ʃən/

aggradation

proceso de construcción de tierra por depósito de sedimentos
Meaning
The process of land being built up by sediment deposition.
Example
Aggradation helps in the natural expansion of riverbanks.
La aggradación ayuda en la expansión natural de las orillas de los ríos.
B2 noun /əkˌsɛs.əˈbɪl.ə.ti/

accessibility

accesibilidad
Meaning
Accessibility or availability, easy availability of any place or service.
Example
Improved accessibility helps people with disabilities.
La accesibilidad mejorada ayuda a las personas con discapacidades.
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.
A1 adverb /əˈɡoʊ/

ago

hace
Meaning
Used to indicate how long before the present something happened.
Example
I met her two years ago.
La conocí hace dos años.
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 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 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.
C2 noun ˈɔː.tɑː.ki

autarky

autarquía, autosuficiencia
Meaning
Economic independence or self-sufficiency; a policy of establishing a self-sufficient national economy.
Example
Some nations aim for autarky to reduce reliance on imports.
Algunas naciones buscan la autarquía para reducir la dependencia de las importaciones.
C2 adjective /ɑːrˈθʊr.i.ən/

arthurian

relacionado con Arthur
Meaning
Relating to the legendary King Arthur and the stories surrounding him.
Example
The novel is set in an Arthurian world of knights and castles.
La novela está ambientada en un mundo artúrico de caballeros y castillos.
B2 verb /əˈraɪz/

arise

surgir
Meaning
to begin to exist or to happen
Example
Problems may arise if you don't plan ahead.
Pueden surgir problemas si no planeas con anticipación.
B2 noun /ˌæbəˈlɪʃən/

abolition

abolición
Meaning
the act of formally ending or eliminating a system, practice, or institution
Example
The abolition of slavery was a major milestone in human rights history.
La abolición de la esclavitud fue un hito importante en la historia de los derechos humanos.
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.
C2 noun /ænˈtɪfəni/

antiphony

antífona
Meaning
a form of music in which two or more groups or choirs sing alternately in response to each other
Example
The cathedral's architecture was designed to enhance the effect of antiphony.
La arquitectura de la catedral fue diseñada para mejorar el efecto de la antífona.
B2 verb /ˈæləkeɪt/

allocate

asignar
Meaning
to distribute or assign resources, duties, or responsibilities for a specific purpose
Example
The manager allocated funds for the new project.
El gerente asignó fondos para el nuevo proyecto.
A2 noun /ˈæŋ.ɡər/

Anger

ira
Meaning
a strong feeling of annoyance, displeasure, or hostility
Example
His anger was evident when he slammed the door.
Su ira era evidente cuando slamó la puerta.
B1 noun ədˈvɛnʧər ˈsiːkərz

Adventure Seekers

buscadores de aventuras
Meaning
People who actively look for exciting and potentially risky activities or experiences.
Example
Sajek Valley is a popular destination for adventure seekers.
El Valle de Sajek es un destino popular para los buscadores de aventuras.
B2 adverb /əˈlɛdʒɪdli/

allegedly

supuestamente
Meaning
used to say that something is claimed to be true, though not proven
Example
He was allegedly involved in the robbery.
Él supuestamente estuvo involucrado en el robo.
B2 adverb /əˈlɔːŋ.saɪd/

Alongside

al lado; junto a;
Meaning
beside; next to; together with
Example
She walked alongside her friend through the park.
Ella caminó al lado de su amigo por el parque.
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.
C1 verb /əˈfɪks/

affix

adjuntar / pegar
Meaning
to attach or stick something firmly to another thing
Example
Please affix the stamp to the envelope.
Por favor, adjunte el sello al sobre.
B1 noun /əˈtendəns/

Attendance

asistencia
Meaning
the action or state of going regularly to or being present at a place or event
Example
The teacher takes attendance at the beginning of each class.
El maestro toma la asistencia al comienzo de cada clase.
B2 noun /əˈtɒm.ɪk ˈhæb.ɪts/

atomic habits

hábitos atómicos
Meaning
Small but powerful habits that can bring big changes over time
Example
Developing atomic habits leads to long-term success.
Desarrollar hábitos atómicos conduce al éxito a largo plazo.
B2 noun /əˈstrɒnəmər/

astronomer

astrónomo
Meaning
a scientist who studies the stars, planets, and the universe
Example
The astronomer observed the new comet through his telescope.
El astrónomo observó el nuevo cometa a través de su telescopio.
B2 adjective əˈstaʊn.dɪŋ

astounding

asombroso, sorprendente, impresionante
Meaning
Surprisingly impressive or notable; causing shock or surprise.
Example
The magician's astounding tricks left the audience speechless.
Los trucos asombrosos del mago dejaron al público sin palabras.
B2 verb /əˈlaɪn/

align

alinear / poner en línea recta
Meaning
To arrange things in a straight line; to adjust or bring into proper relation or agreement.
Example
The manager asked the team to align their goals with the company's mission.
El gerente le pidió al equipo que alineara sus objetivos con la misión de la empresa.
B2 adjective /əˈtʃiːvəbl/

achievable

alcanzable
Meaning
Able to be brought about or reached successfully.
Example
Start with achievable steps to stay motivated.
Comienza con pasos alcanzables para mantenerte motivado.
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.
B1 verb /ədˈmaɪər/

admire

admirar
Meaning
To respect, appreciate, or look up to someone or something.
Example
I really admire her dedication to education.
Realmente admiro su dedicación a la educación.
C2 adjective /ænˈhaɪdrəs/

anhydrous

anhídrido
Meaning
Containing no water.
Example
The chemist used anhydrous ammonia for the experiment.
El químico usó amoníaco anhidro para el experimento.
C2 noun əˈdrɔɪt.nəs

adroitness

destreza
Meaning
Cleverness or skill, especially in using the hands or mind; skillful dexterity.
Example
His adroitness in negotiations secured the deal.
Su destreza en las negociaciones aseguró el trato.
B2 noun /ˈeɪ.prən/

apron

delantal
Meaning
A protective garment worn over the front of one's clothes to keep them clean, especially while cooking.
Example
She tied an apron around her waist before cooking dinner.
Ella se puso un delantal alrededor de su cintura antes de cocinar la cena.
B2 noun /əˈkʌmplɪʃmənt/

accomplishment

logro
Meaning
something that has been achieved successfully
Example
Graduating from university was a major accomplishment for him.
Graduarse de la universidad fue un gran logro para él.
B2 adverb /əˈten.tɪv.li/

Attentively

atentamente
Meaning
with careful attention; in a focused manner
Example
She listened attentively to her teacher's instructions.
Ella escuchó atentamente las instrucciones de su maestro.
C1 adjective /ˌɔːtəˈkrætɪk/

autocratic

autocrático
Meaning
Relating to a ruler who has absolute power and does not consult others.
Example
The manager’s autocratic style discouraged employees from sharing their ideas.
El estilo autocrático del gerente desalentó a los empleados de compartir sus ideas.
B1 adjective /eɪdʒd/

aged

anciano
Meaning
having lived for a specified number of years; old
Example
The aged man sat in the park, watching the children play.
El anciano estaba sentado en el parque, mirando a los niños jugar.
B2 verb /əˈbaɪd/

abide

cumplir
Meaning
to accept or act in accordance with; to endure; to dwell
Example
I will abide by the rules of the company.
Yo cumpliré con las reglas de la empresa.
C2 noun /ˈætəmaɪzər/

atomizer

atomizador
Meaning
A device that sprays liquid into a fine mist.
Example
She used an atomizer to apply the perfume evenly.
Ella usó un atomizador para aplicar el perfume uniformemente.
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.
C2 noun /əˈbluːʃən/

ablution

ablución
Meaning
the act of washing oneself, often for religious purposes
Example
He performed his morning ablution before the prayer.
Él realizó su ablución matutina antes de la oración.
B2 noun ˌæl.ɪˈɡeɪ.ʃənz

allegations

acusaciones
Meaning
Claims or assertions that someone has done something illegal or wrong, typically without proof.
Example
The allegations were investigated by an international body.
Las alegaciones fueron investigadas por un organismo internacional.
B2 noun /ˈæli/

alley

callejón
Meaning
a narrow passageway between or behind buildings
Example
They walked through a dark alley to reach the main road.
Caminaban por un callejón oscuro para llegar a la calle principal.
C1 adjective /ˈɔːrəl/

aural

aural
Meaning
Relating to the ear or the sense of hearing.
Example
The lecture was an aural experience as well as an intellectual one.
La conferencia fue una experiencia aural, además de intelectual.
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 /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.
A2 verb /əˈpɪə/

appear

aparecer
Meaning
to become visible or come into sight; to seem
Example
She appeared suddenly at the door.
Ella apareció de repente en la puerta.
A1 noun /ˈeɪprɪl/

april

abril
Meaning
the fourth month of the year in the Gregorian calendar
Example
April is known for its pleasant spring weather.
Abril es conocido por su agradable clima primaveral.
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.
B1 noun əˈreɪndʒmənt

arrangement

disposición
Meaning
The way things are organized, positioned, or structured.
Example
The arrangement of protons in the nucleus is critical.
La disposición de los protones en el núcleo es crítica.
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.
C1 noun /ɔːˈdæs.ə.ti/

audacity

osadía
Meaning
The willingness to take bold risks; boldness or fearlessness.
Example
His audacity to question authority was admirable.
Su osadía para cuestionar la autoridad era admirable.
C1 noun /ˌænɛkˈseɪʃən/

annexation

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

accredit

acreditar
Meaning
to officially recognize, authorize, or approve someone or something
Example
The university is accredited by the national education board.
La universidad está acreditada por el consejo nacional de educación.
C2 verb /ˌækwiˈɛs/

acquiesce

aceptar sin protestar
Meaning
to accept something reluctantly but without protest
Example
She decided to acquiesce to her parents’ wishes.
Ella decidió aceptar sin protestar los deseos de sus padres.
A1 verb (first person singular of 'be') /æm/

am

yo
Meaning
the first person singular present tense of 'be'
Example
I am happy today.
Hoy yo estoy feliz.
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 /ˈæmpɛər/

ampere

ámper
Meaning
A unit of electric current in the International System of Units (SI), symbolized as A.
Example
The current flowing through the wire is measured in amperes.
La corriente que fluye a través del cable se mide en amperios.
B2 noun /ˈæltɪtuːd/

altitude

altitud
Meaning
the height of an object or point in relation to sea level or ground level
Example
The airplane is flying at an altitude of 30,000 feet.
El avión vuela a una altitud de 30,000 pies.
C2 noun /əˈkriːʃən/

accretion

acreción
Meaning
The process of growth or increase, typically by the gradual accumulation of additional layers or matter.
Example
The accretion of wealth allowed him to invest in various projects.
La acumulación de riqueza le permitió invertir en varios proyectos.
B2 noun /əˈkɔːrdəns/

accordance

conformidad
Meaning
agreement or harmony with something; compliance with rules, laws, or wishes
Example
The policy was implemented in accordance with international law.
La política se implementó de conformidad con el derecho internacional.
B2 adjective /əkˈsel.ə.reɪ.tɪd/

accelerated

acelerado
Meaning
Happening or developing faster than usual.
Example
The project progressed at an accelerated pace.
El proyecto avanzó a un ritmo acelerado.
B2 noun ˈæmbɪəns

ambience

ambiente
Meaning
The character and atmosphere of a place.
Example
The restaurant's ambience was relaxed and inviting, perfect for a casual dinner.
El ambiente del restaurante era relajado e invitante, perfecto para una cena casual.
A2 noun /ˈɑːrtɪkl/

article

artículo
Meaning
a piece of writing included in a newspaper, magazine, or journal
Example
He wrote an article about climate change.
Escribió un artículo sobre el cambio climático.
C2 noun /ˌɑːrbəˈriːtəm/

arboretum

arborétum
Meaning
a place where trees, shrubs, and plants are grown for scientific study or public display
Example
We visited the city’s arboretum to learn about exotic trees.
Visitamos el arborétum de la ciudad para aprender sobre árboles exóticos.
C2 adverb /əˈbɛd/

abed

en la cama
Meaning
in bed
Example
She stayed abed all day due to illness.
Se quedó en la cama todo el día debido a la enfermedad.
B2 verb /əˈkɒmədeɪt/

accommodate

acomodar
Meaning
To provide lodging, space, or meet the needs of someone.
Example
The hotel can accommodate up to 200 guests.
El hotel puede acomodar hasta 200 huéspedes.
B2 adverb /ˈæktɪvli/

actively

activamente
Meaning
in a way that involves energetic participation or effort
Example
He is actively involved in community service.
Él está involucrado activamente en el servicio comunitario.
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.
B2 adjective æmˈbɪɡ.ju.əs

ambiguous

ambiguo
Meaning
Having more than one possible meaning; unclear or vague.
Example
His statement was too ambiguous to understand.
Su declaración era demasiado ambigua para entender.