pertinacity
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C2 noun ˌpɜː.tɪˈnæs.ɪ.ti

pertinacity

determinación firme y persistencia
Meaning
Firm determination and persistence in achieving something.
Example
His pertinacity in achieving his goals was inspiring.
Su pertinaz determinación en alcanzar sus metas fue inspiradora.
C2 adjective /ˈkreɪvən/

craven

cobarde
Meaning
cowardly; lacking courage
Example
He was too craven to stand up for his beliefs.
Él era demasiado cobarde para defender sus creencias.
C1 verb /dɪˈnəʊt/

denote

denotar
Meaning
To be a sign of; to indicate or mean something.
Example
A red flag denotes danger.
Una bandera roja denota peligro.
C1 verb /ɪnˈdʌkt/

induct

admitir formalmente a alguien en una posición, organización o cargo
Meaning
to formally admit someone into a position, organization, or office
Example
She was inducted into the university's honor society.
Ella fue admitida en la sociedad de honor de la universidad.
C2 noun /ˌsɪləbɪˈkeɪʃən/

syllabication

silabeación
Meaning
The division of words into syllables.
Example
Proper syllabication helps in correct pronunciation.
Una correcta silabeación ayuda a una pronunciación correcta.
B2 verb /rɪˈdʒɔɪs/

rejoice

regocijarse
Meaning
to feel or show great joy; to celebrate
Example
The family rejoices at the good news.
La familia se regocija con las buenas noticias.
C2 adverb/adjective /lɪˈɡɑːtoʊ/

legato

en música, tocado o cantado suavemente y de forma conectada
Meaning
In music, played or sung smoothly and connectedly.
Example
The pianist played the passage legato, with each note flowing into the next.
El pianista tocó el pasaje legato, con cada nota fluyendo hacia la siguiente.
C2 verb /əbˈhɔːr/

abhor

aborrecer
Meaning
to regard with disgust and hatred
Example
She abhors cruelty to animals.
Ella aborrece la crueldad hacia los animales.
B2 noun /ˈreɪ.zər/

Razor

rasuradora
Meaning
a sharp-edged instrument used for shaving hair from the skin
Example
He shaved his beard with a sharp razor.
Se afeitó la barba con una navaja afilada.
B2 noun/adjective /ˈbʌmpər/

bumper

parachoques
Meaning
A protective bar at the front or back of a vehicle; also used to describe something unusually large or successful.
Example
The farmer celebrated a bumper harvest this year.
El agricultor celebró una cosecha récord este año.
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.
B2 noun /ˈmoʊ.tɪv/

Motive

motivo; razón; impulso
Meaning
a reason for doing something; what drives someone to act
Example
The police are investigating the motive for the crime.
La policía está investigando el motivo del crimen.
C2 /laɪð/

lithe

flexible y grácil
Meaning
thin, supple, and graceful in movement
Example
The lithe dancer captivated the audience with her graceful spins.
La bailarina flexible cautivó a la audiencia con sus giros gráciles.
C1 noun /ˈblʌdˌbæθ/

bloodbath

baño de sangre
Meaning
an event in which a lot of people are killed or injured, especially in a violent conflict
Example
The war turned into a bloody bloodbath.
La guerra se convirtió en un baño de sangre.
C1 noun /ˈtrɪlədʒi/

trilogy

trilogía
Meaning
a set of three related works, usually books or films, that form a connected story
Example
The director finally released the third film to complete the sci-fi trilogy.
El director finalmente lanzó la tercera película para completar la trilogía de ciencia ficción.
C2 adjective /ˌmɛtəˈlɜrdʒɪkəl/

metallurgical

metalúrgico
Meaning
Relating to metallurgy or the branch of science concerned with the properties of metals and their production.
Example
He studied metallurgical engineering at the university.
Él estudió ingeniería metalúrgica en la universidad.
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 noun /zest/

Zest

entusiasmo; energía y emoción; la cáscara exterior de una fruta cítrica
Meaning
great enthusiasm and energy; excitement and vigor; the outer peel of a citrus fruit
Example
She approached the new job with tremendous zest.
Ella asumió el nuevo trabajo con un enorme entusiasmo.
C1 noun /ˈtrɪkəri/

trickery

Meaning
The use of dishonest methods to deceive or cheat someone.
Example
The politician was accused of winning the election through trickery.
C2 adjective /ˈsɪmiən/

simian

simio
Meaning
Relating to, resembling, or affecting apes or monkeys.
Example
The scientist studied the simian behavior of the chimpanzees.
El científico estudió el comportamiento simio de los chimpancés.
B1 noun rəʊlz

Roles

rol
Meaning
A person's or thing's function in a particular situation.
Example
Defined roles improve team performance.
Los roles definidos mejoran el rendimiento del equipo.
C1 verb, adjective, noun /spruːs/

spruce

arreglar / un tipo de árbol
Meaning
to make neat or tidy in appearance; also refers to an evergreen tree
Example
He spruced up his room before the guests arrived.
Él arregló su habitación antes de que llegaran los invitados.
B2 verb /əˈmend/

amend

enmendar
Meaning
to make changes or corrections to improve something; to modify
Example
They amended the contract to include new terms.
Ellos enmendaron el contrato para incluir nuevos términos.
C2 noun /ˈfʌriər/

furrier

peluquero
Meaning
A person who prepares or deals in furs.
Example
The furrier displayed fine coats in his shop.
El peluquero exhibió abrigos finos en su tienda.
B2 verb /kəˈlæps/

collapse

colapsar
Meaning
to fall down or inward suddenly; to break down completely
Example
The old building collapsed after the earthquake.
El viejo edificio colapsó después del terremoto.
A1 adverb /ʌp/

up

arriba
Meaning
towards a higher position or level
Example
He climbed up the ladder quickly.
Él subió rápidamente la escalera.
B2 noun məˈmɔːriəl

memorial

monumento
Meaning
A structure or building made to remind people of a person or event.
Example
Thousands gather at the National Memorial.
Miles se reúnen en el Monumento Nacional.
B2 noun wɪnd ˈen.ə.dʒi

wind energy

energía eólica
Meaning
Energy generated from wind using wind turbines to convert kinetic energy into electrical power.
Example
Wind energy is harnessed in Masdar City.
La energía eólica se aprovecha en la Ciudad de Masdar.
C1 noun /daɪˈvɜː.dʒəns/

divergence

divergencia
Meaning
The process or state of diverging; a difference or deviation between two or more things.
Example
The divergence in their opinions led to a heated debate.
La divergencia en sus opiniones llevó a un debate acalorado.
B2 noun /trænzˈmɪʃən/

transmission

transmisión, envío
Meaning
the act of sending, passing, or spreading something such as information, energy, or disease
Example
The transmission of data over the internet is very fast.
La transmisión de datos por internet es muy rápida.
B2 adjective /ˌʌndɪˈsaɪdɪd/

Undecided

indeciso; incierto
Meaning
not having made a decision; uncertain
Example
She was undecided about which college to attend.
Ella estaba indecisa sobre qué universidad asistir.
C2 verb /sɛkˈstuːpəl/

sextuple

sextuplicar
Meaning
to make or become six times as great or as many
Example
Within two quarters, the campaign sextupled their daily sign-ups.
En dos trimestres, la campaña sextuplicó sus registros diarios.
C2 noun /prɪˈsɛʃən/

precession

precesión
Meaning
The slow movement of the axis of a spinning body around another axis, often referring to Earth's rotation.
Example
Astronomers study the precession of the equinoxes.
Los astrónomos estudian la precesión de los equinoccios.
B2 adjective /ˌɪnkəmˈpliːt/

incomplete

incompleto
Meaning
Not finished, lacking some parts or not whole.
Example
Her report was incomplete and needed further details.
Su informe estaba incompleto y necesitaba más detalles.
B2 noun, verb /laʊndʒ/

lounge

salón
Meaning
A public room for relaxing; or to sit, lie, or stand in a relaxed way.
Example
They lounged on the sofa after dinner.
Ellos se recostaron en el sofá después de la cena.
C1 verb rɪˈplɛn.ɪʃ

replenish

reponer
Meaning
Fill something up again.
Example
Drinking water helps replenish lost fluids in the body.
Beber agua ayuda a reponer los líquidos perdidos en el cuerpo.
B2 verb /əˈsɛmbəl/

assemble

reunir
Meaning
to gather or bring together in one place
Example
The students assembled in the hall for the meeting.
los estudiantes se reunieron en el salón para la reunión.
C2 adjective /ˈlæm.ən.tə.bəl/

lamentable

lamentable
Meaning
deserving to be criticized or regretted; unfortunate
Example
The team’s lamentable performance disappointed their fans.
El lamentable desempeño del equipo decepcionó a sus fanáticos.
C1 noun /ˈprɒk.tər/

proctor

examinador
Meaning
a person who supervises students during an examination
Example
The proctor reminded students to keep their phones switched off.
El proctor recordó a los estudiantes mantener sus teléfonos apagados.
B2 verb /pruːn/

prune

podar
Meaning
to cut off unwanted parts of a plant or tree to help it grow better
Example
Gardeners prune the trees in spring to encourage growth.
Los jardineros podan los árboles en primavera para fomentar el crecimiento.
C1 noun /ˌsəʊʃəˈbɪləti/

sociability

sociabilidad
Meaning
The quality or state of being sociable; friendliness.
Example
Her sociability made her popular in the office.
Su sociabilidad la hizo popular en la oficina.
A2 noun /ˈsɪz.ərz/

Scissors

tijeras
Meaning
a cutting instrument with two sharp blades that are joined and work against each other
Example
She used scissors to cut the paper into small pieces.
Ella usó las tijeras para cortar el papel en pedazos pequeños.
B1 noun /ˌɡrædʒ.uˈeɪ.ʃən/

graduation

felicidad
Meaning
the act of receiving a degree or diploma after completing a course of study
Example
Her parents attended her graduation ceremony with pride.
Ella no pudo ocultar su felicidad cuando recibió el premio.
B2 noun /ˈaʊtˌskɜːrt/

outskirt

las afueras de la ciudad
Meaning
the outer edge or border of a town or city
Example
They built a new factory on the outskirts of the city.
Construyeron una nueva fábrica en las afueras de la ciudad.
C1 adjective, noun /ˈkɑːr.dɪ.nəl/

cardinal

cardenal / principal
Meaning
As an adjective: of prime importance; as a noun: a high-ranking Catholic clergyman or a type of bird.
Example
Honesty is a cardinal virtue in life.
La honestidad es una virtud cardinal en la vida.
C1 verb /ˌdɪsɪnˈɡeɪdʒ/

disengage

desconectar
Meaning
To release or detach oneself from something; to withdraw.
Example
He tried to disengage from the heated argument.
Trató de desconectarse de la acalorada discusión.
C1 noun ɪnˌvaɪ.rənˈmen.təl ˌtræns.fəˈmeɪ.ʃən

environmental transformation

transformación ambiental
Meaning
A significant change in environmental conditions or ecological systems.
Example
The city demonstrates environmental transformation.
La ciudad demuestra transformación ambiental.
C1 noun /ˌɪndɪɡˈneɪʃən/

indignation

indignación
Meaning
Strong displeasure or anger caused by something unjust, offensive, or insulting.
Example
Public indignation grew after the unfair verdict.
La indignación pública creció después del veredicto injusto.
C1 noun /ˈsɛpərətɪst/

separatist

separatista
Meaning
A person who supports the separation of a group from a larger body, often for political or cultural independence.
Example
The separatist group demanded independence from the central government.
El grupo separatista exigió la independencia del gobierno central.
C1 noun /ˈsɔːjər/

Sawyer

aserrador
Meaning
a person who saws wood, especially as an occupation
Example
The skilled sawyer cut the logs into planks.
El hábil aserrador cortó los troncos en tablones.
B2 adjective /ænˈtɑːrktɪk/

antarctic

antártico
Meaning
relating to the region around the South Pole
Example
The Antarctic region is known for its extreme cold and icy landscapes.
La región antártica es conocida por su frío extremo y paisajes helados.
A2 noun /kaɪt/

Kite

buitre
Meaning
a bird of prey with long wings and a forked tail; also a toy flown in the air
Example
The kite soared high above the fields looking for prey.
El cometa voló alto sobre los campos buscando presas.
C2 noun /ˈmaɪ.nə/

Mynah

mynah
Meaning
a tropical bird with dark feathers that can mimic human speech
Example
The mynah bird repeated every word I said.
El pájaro mynah repitió cada palabra que dije.
C1 noun /ləˈɡuːn/

lagoon

laguna
Meaning
A shallow body of water separated from the sea by sandbars or reefs.
Example
We swam in the calm waters of the lagoon.
Nadamos en las tranquilas aguas de la laguna.
B2 verb /stɪə(r)/

steer

dirigir
Meaning
to guide or control the movement of a vehicle, vessel, or person
Example
He steered the car carefully through the narrow street.
Él dirigió el coche cuidadosamente por la calle estrecha.
B2 adjective /fəˈɡɪv.ɪŋ/

Forgiving

perdonador
Meaning
ready and willing to forgive; merciful; lenient
Example
She has a forgiving nature and rarely holds grudges.
Ella tiene una naturaleza perdonadora y rara vez guarda rencor.
B2 adjective /ˈθret.ən.ɪŋ/

Threatening

amenazante; intimidante
Meaning
expressing a threat; menacing; intimidating
Example
The dark clouds looked threatening before the storm.
Las nubes oscuras se veían amenazantes antes de la tormenta.
C1 noun /ˌsɛrənˈdɪpɪti/

serendipity

serendipia
Meaning
The occurrence of events by chance in a happy or beneficial way.
Example
Finding that old photo album was pure serendipity.
Encontrar ese viejo álbum de fotos fue pura serendipia.
B1 noun/verb /ˌɡærənˈtiː/

guarantee

garantía
Meaning
a formal promise or assurance, especially about the quality or durability of a product
Example
The company guarantees a refund if the product is faulty.
La empresa garantiza un reembolso si el producto está defectuoso.
C1 verb /kənˈstruː/

construe

interpretar
Meaning
to interpret or understand the meaning of something in a particular way
Example
His words could be construed as a threat.
Sus palabras podrían interpretarse como una amenaza.
C1 verb /vɪə(r)/

veer

cambiar de dirección
Meaning
to change direction suddenly
Example
The car veered off the road to avoid the accident.
El coche viró fuera de la carretera para evitar el accidente.
B1 noun /tʃɑːrt/

chart

gráfico
Meaning
a sheet of information in the form of a table, graph, or diagram
Example
The teacher used a chart to explain the statistics.
El maestro usó un gráfico para explicar las estadísticas.
C1 adjective /ˌɪnˌkɒnsɪˈkwɛnʃəl/

inconsequential

insignificante
Meaning
Not important or significant; too small to matter.
Example
The mistake was minor and inconsequential.
El error fue menor e insignificante.
C2 noun /ˈmɛtrəˌnoʊm/

metronome

metrónomo
Meaning
A device that produces regular ticks or beats to help musicians maintain tempo.
Example
She practiced the piano with a metronome to keep steady timing.
Ella practicaba el piano con un metrónomo para mantener el ritmo constante.
C2 noun /rɛtʃ/

wretch

miserable
Meaning
an unfortunate or miserable person; a despicable or contemptible person
Example
The poor wretch was left out in the cold with no shelter.
El pobre miserable fue dejado afuera en el frío sin refugio.
B1 noun ˈtʃæt.dʒiː.piː.tiː

ChatGPT

Un modelo de inteligencia artificial basado en el lenguaje
Meaning
A language-based artificial intelligence model designed for conversational interactions.
Example
ChatGPT helps users generate human-like text efficiently.
ChatGPT ayuda a los usuarios a generar texto similar al humano de manera eficiente.
B2 noun /ˈsɜːrkɪt/

circuit

circuito / camino eléctrico
Meaning
A roughly circular line, route, or movement that starts and ends at the same place; also an electrical pathway.
Example
The runners completed the circuit around the park.
Los corredores completaron el circuito alrededor del parque.
C2 verb /sʌbˈtɛnd/

subtend

subtender
Meaning
To extend across or form an angle at a particular point, often used in geometry.
Example
The arc subtends a 60-degree angle at the center of the circle.
El arco subtende un ángulo de 60 grados en el centro del círculo.
B2 adjective /ˈɛv.ə.ɡriːn/

evergreen

siempreverde
Meaning
Remaining green and functional throughout the year; not shedding leaves seasonally.
Example
Evergreen trees like pine and fir stay green year-round.
Los árboles siempreverdes como el pino y el abeto permanecen verdes durante todo el año.
C1 noun ɪɡˌzæs.pəˈreɪ.ʃən

exasperation

exasperacion
Meaning
Extreme irritation or frustration.
Example
He sighed in exasperation after hearing the same excuse again.
Él suspiró de exasperación después de oír la misma excusa otra vez.
C1 noun /ˈsɛvərəns/

severance

indemnización por despido
Meaning
the act of ending something, especially a relationship or employment; compensation paid upon termination
Example
The company offered him severance pay after his job ended.
La empresa le ofreció indemnización por despido después de que terminó su empleo.
B2 noun /dɪˈnaɪ.əl/

Denial

negación
Meaning
the action of declaring something to be untrue; refusal to acknowledge something
Example
His denial of involvement in the scandal was met with skepticism.
Su negación de su involucramiento en el escándalo fue recibida con escepticismo.
C2 adjective /dʒoʊˈkoʊs/

jocose

jocoso
Meaning
playful or humorous in speech or behavior
Example
The professor’s jocose remarks kept the class entertained.
Los comentarios jocosos del profesor mantuvieron entretenida a la clase.
B2 adjective /ˈrʌn daʊn/

run-down

deteriorado
Meaning
in a poor condition; worn out or neglected
Example
They live in a run-down house at the edge of town.
Viven en una casa deteriorada en las afueras de la ciudad.
C1 adjective /ˈkræfti/

crafty

astuto, ingenioso, tramposo
Meaning
skilled at achieving goals through cunning or deceit; sly
Example
The crafty fox evaded the hunters again.
El astuto zorro evadió a los cazadores nuevamente.
C2 adjective kaɪˈmɛr.ɪ.kəl

chimerical

quimérico, imposible
Meaning
Illusory or impossible to achieve; existing only in imagination.
Example
His chimerical ideas often baffled realists.
Sus ideas quiméricas a menudo desconcertaban a los realistas.
C1 verb /aʊst/

oust

destituir
Meaning
To remove someone from a position or place of power or authority.
Example
The rebels ousted the dictator from power.
Los rebeldes destituyeron al dictador del poder.
C2 adjective /rɪˈfʌldʒənt/

refulgent

resplandeciente
Meaning
Shining brightly; radiant.
Example
The refulgent sun lit up the entire valley.
El sol resplandeciente iluminó todo el valle.
C1 adjective /ˈsliːzi/

sleazy

de mala calidad, inmoral o barato
Meaning
morally low, dirty, or cheap in quality
Example
He avoided the sleazy nightclub downtown.
Él evitó el club nocturno sórdido en el centro.
C2 noun /naɪt kwiːn/

Night queen

reina de la noche
Meaning
a fragrant white flower that blooms at night and releases strong sweet scent
Example
The night queen flowers filled the garden with their sweet fragrance.
Las flores de la reina de la noche llenaron el jardín con su dulce fragancia.
A2 noun /ˈæk.sɪ.dənt/

accident

accidente
Meaning
An unfortunate incident that happens unexpectedly and unintentionally.
Example
Safety measures aim to prevent accidents.
Las medidas de seguridad tienen como objetivo prevenir accidentes.
B2 verb /skreɪp/

scrape

raspar
Meaning
to remove or damage the surface of something by rubbing or scratching; to collect something by effort
Example
He scraped his knee while playing football.
Se raspó la rodilla mientras jugaba al fútbol.
B2 noun ɪˈmɪʃ.ənz

emissions

emisiones
Meaning
The production and discharge of something, especially gas, heat, light, or radiation.
Example
Carbon emissions are rising globally.
Las emisiones de carbono están aumentando globalmente.
C2 adjective ɪnˈdɒm.ɪ.tə.bəl

indomitable

indomable
Meaning
Impossible to subdue or defeat.
Example
Her indomitable spirit helped her overcome adversity.
Su espíritu indomable la ayudó a superar la adversidad.
C1 adjective ˌhaɪ.pəˈθet.ɪ.kəl

hypothetical

hipotético, supuesto, teórico
Meaning
Based on or serving as a hypothesis; supposed but not necessarily real or true.
Example
The discussion was based on hypothetical scenarios.
La discusión se basó en escenarios hipotéticos.
C2 noun /əˌɡlɒməˈreɪʃən/

agglomeration

aglomeración
Meaning
A mass or collection of things, sometimes clustered together.
Example
The city is an agglomeration of diverse cultures and communities.
La ciudad es una aglomeración de diversas culturas y comunidades.
C2 adjective /ˌpærəˈdɪɡmətɪk/

paradigmatic

paradigmático
Meaning
Serving as a typical example or model of something.
Example
Her success story is paradigmatic of the opportunities education can provide.
Su historia de éxito es paradigmática de las oportunidades que la educación puede proporcionar.
B2 noun ɪkˈspænʃən

expansion

expansión
Meaning
The action of becoming larger or more extensive; growth or development.
Example
Volunteering helps in the expansion of social networks.
El voluntariado ayuda en la expansión de redes sociales.
C1 noun /ˈæk.jʊ.mən/

acumen

percepción
Meaning
The ability to make good judgments and quick decisions; keenness and depth of perception.
Example
His business acumen helped the company grow rapidly.
Su percepción empresarial ayudó a la empresa a crecer rápidamente.
B2 adjective /ˈlɛdʒɪslətɪv/

legislative

legislativo
Meaning
relating to the making of laws
Example
The legislative body passed the new tax bill.
El cuerpo legislativo aprobó el nuevo proyecto de ley sobre impuestos.
C2 verb /ˈwɔːbəl/

warble

cantar o silbar con voz temblorosa o trinos
Meaning
To sing or whistle with a quavering voice or with trills.
Example
The bird warbled a sweet tune in the morning.
El pájaro cantó una dulce melodía por la mañana.
B2 noun /ˈvɜː.tʃu.əl riˈæl.ɪ.ti/

virtual reality

realidad virtual
Meaning
Computer technology that creates an artificial three-dimensional environment where users can feel like they are in a real environment.
Example
Virtual reality (VR) is widely used in gaming and training simulations.
La realidad virtual (VR) se usa ampliamente en juegos y simulaciones de entrenamiento.
B2 adjective /prəˈvɪʒənəl/

Provisional

provisional
Meaning
arranged for the present; temporary; subject to later confirmation
Example
The provisional agreement will be reviewed next month.
El acuerdo provisional se revisará el próximo mes.
C2 noun juːˈbɪkwɪti

ubiquity

ubicuidad
Meaning
The fact of appearing everywhere or of being very common.
Example
The ubiquity of smartphones has transformed communication.
La ubicuidad de los teléfonos inteligentes ha transformado la comunicación.
C1 noun /ˌkɒn.stəˈleɪ.ʃən/

constellation

constelación
Meaning
a group of stars forming a recognizable pattern in the night sky
Example
Orion is one of the most famous constellations.
Orión es una de las constelaciones más famosas.
B2 noun /ˈswiː.pər/

Sweeper

barrendero
Meaning
a person whose job is to clean floors and streets by sweeping
Example
The sweeper cleaned the school corridor every morning.
El barrendero limpiaba el pasillo de la escuela todas las mañanas.
B1 adjective /ˈklæsɪk/

classic

clásico, destacado
Meaning
Judged over a period of time to be of the highest quality and outstanding of its kind.
Example
That movie is a classic example of 90s comedy.
Esa película es un ejemplo clásico de la comedia de los 90.
C2 verb /əˈfaɪəns/

affiance

prometerse
Meaning
to promise or pledge marriage; to formally engage
Example
They decided to affiance after years of friendship.
Decidieron prometerse después de años de amistad.
A2 adverb /ˌdaʊnˈsteəz/

Downstairs

abajo
Meaning
on or to a lower floor of a building
Example
Please go downstairs and wait in the lobby.
Por favor, baja y espera en el vestíbulo.
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.
C1 adjective /ˈkɒnvɛks/

convex

convexo, redondeado hacia afuera
Meaning
curved or rounded outward
Example
The lens has a convex shape to focus light.
La lente tiene una forma convexa para enfocar la luz.
B2 noun /ˈdræɡ.ən.flaɪ/

Dragon-fly

libélula
Meaning
a large insect with four transparent wings that lives near water
Example
The dragonfly hovered over the pond.
La libélula flotaba sobre el estanque.
C2 adjective /ˌhaɪpərˈbɔːriən/

hyperborean

hiperbóreo
Meaning
Relating to the extreme north; very cold or frigid.
Example
The explorers prepared for the hyperborean climate of the Arctic.
Los exploradores se prepararon para el clima hiperbóreo del Ártico.
C1 verb /piːk/

pique

despertar
Meaning
to stimulate interest or curiosity; to arouse resentment or anger
Example
Her remarks piqued his curiosity about the secret project.
Sus comentarios despertaron su curiosidad sobre el proyecto secreto.
C2 noun /ˈhʌm.ək/

hummock

montículo
Meaning
A small hill, mound, or ridge of earth or ice.
Example
The hikers rested on a grassy hummock by the river.
Los excursionistas descansaron en un montículo de hierba junto al río.
C2 verb /ˌdɪskəmˈpoʊz/

discompose

descomponer
Meaning
To disturb the order or calmness of something or someone.
Example
The unexpected question seemed to discompose her.
La pregunta inesperada pareció descomponerla.
A2 verb /bet/

bet

apostar
Meaning
to risk money on the outcome of something; to be confident
Example
I bet it will rain tomorrow.
Apuesto a que lloverá mañana.
C1 adjective /dɪˈbeɪst/

debased

degradado
Meaning
having lost quality, value, or moral character
Example
The debased currency lost the trust of the people.
La moneda degradada perdió la confianza de la gente.
C2 noun /ˈbɪɡ.ə.mɪst/

bigamist

bigámico
Meaning
A person who commits the crime of marrying someone while already married to another.
Example
The man was arrested for being a bigamist.
El hombre fue arrestado por ser un bigamista.
C1 noun /ˈɛpɪˌlɔːɡ/

epilogue

epílogo
Meaning
A section at the end of a book, play, or speech that serves as a conclusion.
Example
The author included an epilogue to explain what happened to the characters later.
El autor incluyó un epílogo para explicar lo que sucedió con los personajes después.
A2 verb /taɪ/

Tie

atar
Meaning
to fasten with string or rope; to have equal scores in a competition
Example
Please tie your shoelaces before running.
Por favor, ate sus zapatos antes de correr.
B2 adjective /ˈtʃuː.zi/

Choosey/Choosy

exigente; muy selectivo; particular sobre lo que le gusta o acepta
Meaning
very careful in choosing; selective; particular about what one likes or accepts
Example
He's very choosy about the restaurants where he eats.
Es muy exigente con los restaurantes donde come.
C2 noun /kənˈtrɪʃ.ən/

contrition

contrición
Meaning
the state of feeling remorseful and repentant
Example
His contrition was evident after the apology.
Su contrición fue evidente después de la disculpa.
C1 noun /rəˈviːn/

ravine

desfiladero
Meaning
A deep, narrow valley with steep sides.
Example
The river carved a deep ravine through the mountains.
El río formó un profundo desfiladero a través de las montañas.
B1 verb /rɪˈvjuː/

review

revisar
Meaning
to examine or assess something again; to write a critical evaluation
Example
I need to review my notes before the exam.
Necesito revisar mis notas antes del examen.
A2 adverb /ˈmoʊstli/

Mostly

principalmente; mayormente; usualmente
Meaning
mainly; for the most part; usually
Example
The students are mostly from local schools.
Los estudiantes son principalmente de escuelas locales.
B2 noun ˈikoʊ ˈfrɛndli tɛkˈnɑləʤiz

eco-friendly technologies

tecnologías ecológicas
Meaning
Technologies that are designed to minimize environmental impact and promote sustainability.
Example
Eco-friendly technologies can mitigate pollution.
Las tecnologías ecológicas pueden mitigar la contaminación.
C2 noun /ˈæntɪk/

antic

payasada
Meaning
a playful, funny, or silly act or gesture
Example
The children laughed at the clown’s antics.
Los niños se rieron de las payasadas del payaso.
B2 noun /əˈtɜːrni/

attorney

abogado
Meaning
a person who practices law; a lawyer
Example
She hired an attorney to represent her in court.
Ella contrató un abogado para representarla en la corte.
B1 noun /ˈmɪs.tər.i/

Mystery

misterio; algo inexplicable
Meaning
something that is difficult or impossible to understand or explain
Example
The disappearance of the plane remains a mystery.
La desaparición del avión sigue siendo un misterio.
B2 adjective /ɪnˈdjʊər.ɪŋ/

Enduring

duradero; persistente; que dura mucho tiempo
Meaning
lasting; permanent; continuing for a long time
Example
Their enduring friendship lasted for decades.
Su amistad duradera duró décadas.