Casein
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C2 noun /ˈkeɪsiːn/

Casein

caseína
Meaning
the main protein found in milk and cheese, used in food production and supplements
Example
Casein protein powder is popular among athletes for muscle recovery.
El polvo de proteína de caseína es popular entre los atletas para la recuperación muscular.
C2 noun /ˈkʌlvərt/

culvert

alcantarilla
Meaning
a tunnel or drain that carries water under a road or railway
Example
The heavy rainwater flowed through the culvert under the bridge.
El agua de lluvia pesada fluyó a través de la alcantarilla bajo el puente.
B2 verb /kəmˈplaɪ/

comply

cumplir
Meaning
to act in accordance with a rule, request, or law
Example
All companies must comply with safety regulations.
Todas las empresas deben cumplir con las normativas de seguridad.
A2 noun /ˈmɒn.stər/

Monster

monstruo; persona cruel
Meaning
a large, ugly, and frightening imaginary creature; a cruel person
Example
The children were scared of the monster under the bed.
Los niños tenían miedo del monstruo debajo de la cama.
B2 noun /ˈtɜːrkwɔɪz/

turquoise

turquesa
Meaning
a greenish-blue color or gemstone
Example
She wore a necklace with a beautiful turquoise stone.
Ella llevaba un collar con una hermosa piedra turquesa.
C2 adjective /dɪsˈkɒnsələt/

disconsolate

desconsolado
Meaning
very unhappy and unable to be comforted
Example
She was disconsolate after hearing the bad news.
Ella estaba desconsolada después de escuchar las malas noticias.
B2 adjective dʒəˈnet.ɪk

genetic

genético
Meaning
Relating to genes or heredity; concerning the transmission of inherited characteristics.
Example
Genetic traits influence physical characteristics.
Los rasgos genéticos influyen en las características físicas.
C2 noun /ˈsʌfərəns/

sufferance

tolerancia
Meaning
patient endurance of pain, hardship, or delay; passive consent or tolerance
Example
He lived in poverty with quiet sufferance.
Vivió en la pobreza con tolerancia silenciosa.
B1 noun ˌɪn.stɪˈtjuː.ʃən

institution

institución
Meaning
An organization founded and united for a specific purpose; an established law, practice, or custom.
Example
Institutions play a crucial role in governance.
Las instituciones desempeñan un papel crucial en la gobernanza.
C1 noun /ˈɛmbləm/

emblem

emblema
Meaning
A symbolic object, design, or figure representing an idea, group, or identity.
Example
The dove is an emblem of peace.
La paloma es un emblema de paz.
C2 adjective /ˈfʌsti/

fusty

húmedo y rancio
Meaning
smelling stale, damp, or stuffy; old-fashioned
Example
The room smelled fusty after being closed for months.
La habitación olía a rancio después de estar cerrada durante meses.
B2 noun /ˌfiː.ɑːnˈseɪ/

Fiance

prometido
Meaning
a man who is engaged to be married
Example
Sarah introduced her fiance to her parents during the family dinner.
Sara presentó a su prometido a sus padres durante la cena familiar.
C1 noun /ˈkɒndɪmənt/

condiment

condimento
Meaning
a substance such as salt, mustard, or ketchup that is used to add flavor to food
Example
Ketchup is a popular condiment in many countries.
El kétchup es un condimento popular en muchos países.
C2 noun (plural) /ˈlɪniəmənts/

lineaments

rasgos del rostro
Meaning
The features or distinctive characteristics of the face or body.
Example
The lineaments of his face were sharp and stern.
Los rasgos de su rostro eran agudos y severos.
A2 noun /ˈmʌʃ.ruːm/

Mushroom

hongo
Meaning
a type of fungus that can be eaten, often used in cooking
Example
The pizza was topped with fresh mushrooms.
La pizza estaba cubierta con champiñones frescos.
B2 adjective /ˈmæn.dəˌtɔːr.i/

mandatory

obligatorio
Meaning
required by law or rules; compulsory
Example
Wearing seat belts is mandatory in most countries.
El uso del cinturón de seguridad es obligatorio en la mayoría de los países.
A2 noun /ˈkiːbɔːrd/

keyboard

teclado
Meaning
a set of keys used to operate a computer, typewriter, or similar device for inputting text and commands
Example
She typed the report quickly on her keyboard.
Ella escribió el informe rápidamente en el teclado.
B2 adjective /ˈpɛti/

petty

insignificante
Meaning
Of little importance or trivial; also describes a person overly concerned with small or unimportant matters.
Example
She often gets upset over the most petty things.
A menudo se molesta por las cosas más insignificantes.
B1 noun ˈɪmpækt

impact

impacto
Meaning
A strong effect or influence; the action of one object coming forcibly into contact with another.
Example
The decision had great impact.
La decisión tuvo un gran impacto.
B1 noun /ˈkʌˈs.təm/

Custom

costumbre; práctica; arancel;
Meaning
a traditional practice or behavior; duties levied on imports; habitual practice
Example
It is a local custom to remove shoes before entering someone's home.
Es una costumbre local quitarse los zapatos antes de entrar en la casa de alguien.
B2 verb /oʊˈmɪt/

omit

omitir
Meaning
to leave out or exclude; to fail to include something
Example
Please don't omit any important details from your report.
Por favor, no omitas detalles importantes de tu informe.
C2 verb /prəˈpɪʃieɪt/

propitiate

propiciar
Meaning
to win or regain the favor of someone by doing something that pleases them
Example
He offered gifts to propitiate the angry gods.
Él ofreció regalos para propiciar a los dioses enojados.
C2 adjective /ˈwɪznd/

wizened

arrugado
Meaning
Shriveled, wrinkled, or withered, often due to age.
Example
The wizened tree stood in the field for centuries.
El árbol arrugado estuvo en el campo durante siglos.
A2 noun /ˈæroʊ/

arrow

flecha
Meaning
a thin, straight weapon with a pointed tip, shot from a bow
Example
The hunter shot an arrow at the target.
El cazador disparó una flecha al objetivo.
A1 verb /hoʊp/

hope

esperar
Meaning
to expect and desire that something will happen
Example
I hope it doesn't rain tomorrow.
Espero que no llueva mañana.
B2 adverb /rɪˈɡɑrdləs/

regardless

sin importar la situación
Meaning
without paying attention to the current situation or condition
Example
She will go to the party regardless of the weather.
Ella irá a la fiesta sin importar el clima.
C2 verb /ˈɪmprɪkeɪt/

imprecate

imprecate
Meaning
To utter a curse or invoke evil upon someone.
Example
The old woman imprecated her enemies with dark words.
La vieja mujer imprecó a sus enemigos con palabras oscuras.
C1 noun /ˌsʌpəˈzɪʃən/

supposition

suposición
Meaning
An assumption or belief that something is true without certain proof.
Example
His plan was based on the supposition that the market would recover quickly.
Su plan estaba basado en la suposición de que el mercado se recuperaría rápidamente.
C2 noun /ˌpɜːrspɪˈkjuːəti/

perspicuity

claridad
Meaning
Clarity and ease in speech or writing; the quality of being clearly expressed.
Example
The perspicuity of his lecture made it easy for students to understand complex topics.
La claridad de su conferencia hizo que fuera fácil para los estudiantes entender temas complejos.
B2 noun /ˈstɔːrɪdʒ/

storage

almacenamiento
Meaning
the action or method of storing something for future use
Example
The warehouse offers plenty of storage space.
El almacén ofrece mucho espacio de almacenamiento.
C2 noun /ˈɡlʌt.ən/

Glutton

glotón
Meaning
a person who regularly eats or drinks more than is necessary; someone who has an excessive appetite
Example
He was known as a glutton who could finish three large pizzas in one sitting.
Era conocido como un glotón que podía terminar tres grandes pizzas en una sola sentada.
A1 noun /ˈweɪtər/

waiter

camarero
Meaning
a person whose job is to serve food and drinks to customers in a restaurant or café
Example
The waiter brought the menu and took our order politely.
El camarero trajo el menú y tomó nuestro pedido.
B2 noun ˈskruːtɪni

scrutiny

examen minucioso
Meaning
Critical observation or examination
Example
The new law is under scrutiny by the legislative body.
La nueva ley está bajo examen minucioso por el cuerpo legislativo.
B2 adjective /ʌnˈɡreɪt.fəl/

Ungrateful

ingrato
Meaning
not feeling or showing thanks for something done or given; not appreciating kindness
Example
She felt he was ungrateful for all the help she had given him.
Ella sintió que él era ingrato por toda la ayuda que le había dado.
C1 noun/verb ˈfɒr.ɪdʒ

forage

forraje, buscar comida
Meaning
Food for horses and cattle, especially dried hay or feed; to search for food.
Example
Animals forage for food during the winter months.
Los animales forrajean para buscar comida durante los meses de invierno.
C2 adjective /ˌsuː.pər.ɪˈrɑː.ɡə.tɔːr.i/

supererogatory

supererogatorio
Meaning
Going beyond what is required or expected; more than necessary.
Example
His donation was supererogatory, far beyond what anyone had asked for.
Su donación fue supererogatoria, mucho más allá de lo que alguien había pedido.
C1 adjective /dɪˈvɪzəbl/

divisible

divisible
Meaning
Capable of being divided by another number without leaving a remainder.
Example
Twelve is divisible by three and four.
Doce es divisible por tres y cuatro.
C1 adjective /ˈpɑːr.dən.ə.bəl/

Pardonable

perdonable
Meaning
able to be forgiven; excusable
Example
His mistake was pardonable given the difficult circumstances.
Su error era perdonable dadas las difíciles circunstancias.
C1 noun /bəˈnæn.zə/

Bonanza

situación o evento que crea un aumento repentino en la riqueza, la buena suerte o las ganancias
Meaning
a situation or event that creates a sudden increase in wealth, good fortune, or profits
Example
The oil discovery was a bonanza for the small country.
El descubrimiento de petróleo fue una bonanza para el pequeño país.
A2 noun, verb /bræntʃ/

branch

sucursal
Meaning
A part of a tree that grows out from the trunk; a division of an organization or subject.
Example
The company opened a new branch in Dhaka.
La compañía abrió una nueva sucursal en Dhaka.
A2 noun /bɪɡ boʊl/

Big bowl

tazón grande
Meaning
a large, round, shallow container used for serving food, mixing ingredients, or washing
Example
She mixed the ingredients in a big bowl.
Ella mezcló los ingredientes en un tazón grande.
C2 verb /ɪnˈtræp/

entrap

atrapar
Meaning
To catch or trick someone into a difficult situation.
Example
The police tried to entrap the criminal with false evidence.
La policía intentó atrapar al criminal con pruebas falsas.
C2 adjective /ɪnˈsuːpərəbl/

insuperable

insuperable
Meaning
Impossible to overcome or surpass.
Example
The team faced insuperable challenges during the expedition.
El equipo enfrentó desafíos insuperables durante la expedición.
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.
B1 adjective ˈkʌltʃərəl

cultural

cultural
Meaning
Relating to the arts and to intellectual achievements.
Example
Schools organize cultural programs to honor Victory Day.
Las escuelas organizan programas culturales para honrar el Día de la Victoria.
B2 verb /ˈɡʌvərn/

govern

gobernar
Meaning
to control and direct the public policy and affairs of a state, organization, or people
Example
The president governs the country wisely.
El presidente gobierna el país sabiamente.
B2 noun ˈbʌtərflaɪ ˌpɒpjəˈleɪʃən

Butterfly Population

población de mariposas
Meaning
The total number of butterflies in a particular area or ecosystem.
Example
The butterfly population is declining due to habitat loss.
La población de mariposas está disminuyendo debido a la pérdida de hábitat.
C1 verb/noun /snɑːrl/

snarl

gruñido, atasco
Meaning
to growl aggressively with bared teeth; a tangle or mess
Example
The dog snarled at the stranger near the gate.
El perro gruñó al extraño cerca de la puerta.
C2 adjective /kəˈmoʊdiəs/

commodious

espacioso
Meaning
spacious and comfortable; having plenty of room
Example
They rented a commodious apartment in the city.
Alquilaron un apartamento espacioso en la ciudad.
C2 noun /ˈsɪmpəltən/

simpleton

persona tonta
Meaning
a foolish or gullible person
Example
They treated him like a simpleton who could not understand anything complex.
Lo trataron como una persona tonta que no podía entender nada complejo.
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
B1 noun /pruːf/

proof

prueba
Meaning
evidence or argument establishing a fact or the truth of a statement
Example
The detective presented proof of the suspect's guilt.
El detective presentó prueba de la culpabilidad del sospechoso.
C2 noun /ˈrɪɡməˌroʊl/

rigmarole

lío
Meaning
a long, complicated, and confusing process or story
Example
Getting a visa was such a rigmarole of paperwork and interviews.
Obtener una visa fue un lío de papeleo y entrevistas.
C1 noun/verb /rɪˈlæps/

relapse

recaída
Meaning
to return to a worse condition, especially after improvement; a deterioration after recovery
Example
After months of progress, he suffered a relapse.
Después de meses de progreso, sufrió una recaída.
C1 noun /sleɪ/

sleigh

trineo
Meaning
A vehicle pulled by horses or reindeer over snow or ice.
Example
Children were excited to ride in the sleigh through the snowy village.
Los niños estaban emocionados de montar en el trineo por el pueblo nevado.
B2 verb /ˈtɪkəl/

Tickle

hacer cosquillas
Meaning
to touch someone lightly to make them laugh; to amuse or please
Example
The feather tickles when it touches your skin.
La pluma hace cosquillas cuando toca tu piel.
C1 noun /ˈskæf.əld/

Scaffold

andamio
Meaning
a temporary structure used by workers to stand on when building or repairing something high; a platform for execution
Example
The workers erected a scaffold to paint the building's exterior.
Los trabajadores erigieron un andamio para pintar el exterior del edificio.
C1 noun /ˈfæk.ʃən/

Faction

facción
Meaning
a small organized dissenting group within a larger one
Example
Different factions within the party disagreed about the new policy.
Diferentes facciones dentro del partido no estuvieron de acuerdo sobre la nueva política.
C2 verb /kəˈmɪŋɡəl/

commingle

mezclar
Meaning
To mix or blend different things together.
Example
The charity does not commingle donations with operational funds.
La caridad no mezcla las donaciones con los fondos operativos.
C1 noun ˈremnənts

remnants

restos
Meaning
A small remaining quantity of something; a surviving trace.
Example
The remnants of the wall are still visible.
Los restos de la pared aún son visibles.
A1 adjective/adverb /ɪˈnʌf/

enough

suficiente
Meaning
as much or as many as required
Example
We have enough food for everyone.
Tenemos suficiente comida para todos.
B1 noun /ˈtʃæptər/

chapter

capítulo
Meaning
A main division of a book or a period in someone's life.
Example
I just finished the first chapter of the novel.
Acabo de terminar el primer capítulo de la novela.
C1 noun /wʊd ˈæp.əl/

Wood Apple

manzana de madera
Meaning
a hard-shelled tropical fruit with aromatic pulp used in beverages and medicine
Example
The wood apple has a hard shell but sweet pulp inside.
La manzana de madera tiene una cáscara dura pero pulpa dulce en su interior
C1 adjective /stjuːˈpɛndəs/

stupendous

asombroso
Meaning
extremely impressive; amazing in size, degree, or excellence
Example
The magician’s performance was simply stupendous.
La actuación del mago fue simplemente asombrosa.
C2 noun /ˈmaʊntɪˌbæŋk/

mountebank

charlatán
Meaning
A charlatan or trickster who deceives others, often for personal gain.
Example
The crowd was fooled by the mountebank’s false promises.
La multitud fue engañada por las falsas promesas del charlatán.
C1 noun əˈɡrɛriən səˈsaɪətiz

agrarian societies

sociedades agrarias
Meaning
Societies based on agriculture and farming as the primary economic activity.
Example
Agrarian societies emerged from a need for stable food sources.
Las sociedades agrarias surgieron por la necesidad de fuentes estables de alimentos.
C2 noun /ˈdaɪətraɪb/

diatribe

diatriba
Meaning
A forceful and bitter verbal attack against someone or something.
Example
The politician launched a diatribe against his opponents.
El político lanzó una diatriba contra sus oponentes.
A1 noun /roʊd/

road

camino
Meaning
a wide way leading from one place to another
Example
We drove along the road to the village.
Conducíamos por el camino hacia el pueblo.
C1 adjective /priˈɛmptɪv/

preemptive

preventivo
Meaning
Serving or intended to prevent something by taking action first.
Example
The government took preemptive measures to control inflation.
El gobierno tomó medidas preventivas para controlar la inflación.
B2 adjective /məˈkænɪkəl/

mechanical

felicidad
Meaning
relating to machines or the way they work
Example
She has a good understanding of mechanical systems.
Ella no podía esconder su felicidad cuando recibió el premio.
C1 adjective /ˈspel.baʊnd/

Spellbound

hechizado; cautivado
Meaning
completely fascinated and unable to move or think about anything else; enchanted
Example
The children sat spellbound as the magician performed his tricks.
Los niños se quedaron hechizados mientras el mago hacía sus trucos.
C1 noun /ˈpæʃ.ən ˌflaʊ.ər/

Passion flower

flor de la pasión
Meaning
A climbing plant with intricate, colorful flowers; also refers to royal poinciana tree with red-orange blooms
Example
The passion flower vine covered the garden wall with beautiful blooms.
La vid de la flor de la pasión cubrió la pared del jardín con hermosas flores.
C2 verb /ˈkɒndʒʊɡeɪt/

conjugate

conjugar
Meaning
to list the different forms of a verb according to tense, person, and number
Example
Students are asked to conjugate the verb 'to be'.
Se les pide a los estudiantes que conjuguen el verbo 'ser'.
C1 adjective /ˈtʌtʃi/

Touchy

sensitivo
Meaning
easily upset or offended; overly sensitive
Example
He's very touchy about his height.
Él es muy sensible acerca de su altura.
B2 adjective /ˈskeptɪkəl/

Sceptical

escéptico; desconfiado; que cuestiona la verdad de algo
Meaning
having doubts; not easily convinced; questioning the truth of something
Example
Many scientists remain sceptical about the new theory.
Muchos científicos siguen siendo escépticos sobre la nueva teoría.
B2 verb /piːp/

peep

ojeada
Meaning
to look quickly or secretly; to make a short high sound
Example
The child tried to peep through the keyhole.
El niño intentó otear a través del agujero de la cerradura.
B2 adjective /ˈrek.ləs/

Reckless

imprudente; temerario; peligroso;
Meaning
acting without thinking about consequences; careless; dangerous;
Example
His reckless driving caused a serious accident.
Su conducción imprudente causó un accidente grave.
C2 adjective /ˈvɛndɪbəl/

vendible

vendible
Meaning
Capable of being sold; marketable.
Example
Only vendible products were displayed at the trade fair.
Solo los productos vendibles fueron exhibidos en la feria comercial.
A2 verb /noʊt/

note

tomar nota
Meaning
to write down or observe something; to pay attention to
Example
Please note the important points during the lecture.
Por favor, toma nota de los puntos importantes durante la conferencia.
C1 adjective ɪnˈsaɪ.sɪv

incisive

incisivo
Meaning
Intelligently analytical and clear-thinking; showing clear thought and good understanding of what is important.
Example
His incisive comments revealed the core issues.
Sus comentarios incisivos revelaron los problemas clave.
C1 noun /ˌkɔːriˈɒɡrəfi/

choreography

coreografía
Meaning
The art of designing and arranging dances and movements.
Example
The choreography of the ballet was breathtaking.
La coreografía del ballet fue impresionante.
B2 noun /ˈkoʊ.brə/

Cobra

cobra
Meaning
a venomous snake with a hood that can be spread when threatened
Example
The cobra raised its hood and hissed at the intruder.
La cobra levantó su capucha y siseó al intruso.
B2 noun /ɪmˈpeɪʃəns/

impatience

impaciencia
Meaning
The state of being quickly irritated or unable to wait calmly.
Example
His impatience grew as the meeting dragged on.
Su impaciencia creció a medida que la reunión se alargaba.
B2 noun /haɪˈiː.nə/

Hyena

hiena
Meaning
a wild animal of Africa and Asia that looks like a dog and makes a sound like laughter
Example
The hyena laughed in the darkness of the night.
La hiena rió en la oscuridad de la noche.
C2 noun /ɪˈfɛmɪnəsi/

effeminacy

efeminidad
Meaning
The quality of showing traits traditionally associated with women, such as delicacy or softness.
Example
In ancient times, effeminacy was often criticized as a sign of weakness.
En tiempos antiguos, la efeminidad a menudo era criticada como signo de debilidad.
B2 verb /ɪnˈfɔːrs/

enforce

hacer cumplir
Meaning
to make sure that a rule, law, or policy is obeyed
Example
The police are responsible for enforcing the law.
La policía es responsable de hacer cumplir la ley.
B1 noun rɪˈsɜː.tʃəz

researchers

investigadores
Meaning
People who study and investigate to discover new information or facts.
Example
Researchers are working on innovative solutions.
Los investigadores están trabajando en soluciones innovadoras.
B1 noun ˈliː.də.ʃɪp

leadership

liderazgo
Meaning
The action of leading a group of people or an organization.
Example
Leadership is crucial for institutional success.
El liderazgo es crucial para el éxito institucional.
C1 verb /bʌdʒ/

budge

mover ligeramente / cambiar de opinión o posición
Meaning
To move slightly; to change one’s opinion or position.
Example
Despite the pressure, he refused to budge from his decision.
A pesar de la presión, él se negó a moverse de su decisión.
C1 noun /ˈædʒʌŋkt/

adjunct

auxiliar
Meaning
a thing added to something else as a supplementary part
Example
The professor worked as an adjunct at the university.
El profesor trabajaba como auxiliar en la universidad.
B2 verb /ˈmɑːdɪfaɪ/

modify

modificar
Meaning
to change or alter something; to make partial changes
Example
We need to modify the plan to include more details.
Necesitamos modificar el plan para incluir más detalles.
C1 noun /plaɪt/

Plight

dificultad; situación desafortunada
Meaning
a dangerous, difficult, or unfortunate situation
Example
The refugees were in a desperate plight.
Los refugiados estaban en una difícil situación.
C1 noun /ˌdɜːrməˈtɑːlədʒi/

dermatology

dermatología
Meaning
The branch of medicine concerned with the skin and its diseases.
Example
He studied dermatology at medical school.
Estudió dermatología en la escuela de medicina.
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.
C1 noun /ˈkruːsɪbəl/

crucible

prueba severa, recipiente para fundir sustancias
Meaning
a severe test or trial; a container used for heating substances to very high temperatures
Example
The team emerged stronger from the crucible of competition.
El equipo salió más fuerte del crisol de la competencia.
B2 noun ˌɪn.stəˈleɪ.ʃən

installation

instalación
Meaning
The action or process of installing someone or something, or of being installed.
Example
The installation of the submarine cable is almost complete.
La instalación del cable submarino está casi completa.
B2 noun /pʌntʃ/

Punch

punzón
Meaning
a tool used for making holes or indentations in materials
Example
The carpenter used a punch to make holes in the leather.
El carpintero usó un punzón para hacer agujeros en el cuero.
C1 verb /dɪˈteɪn/

detain

detener
Meaning
to keep someone from proceeding; to hold back, especially by official authority
Example
The police detained the suspect for questioning.
La policía detuvo al sospechoso para interrogarlo.
C1 adjective /ˌʌndərˈsteɪtɪd/

understated

subestimado
Meaning
Presented in a subtle and restrained way.
Example
She wore an elegant but understated dress.
Ella llevaba un vestido elegante pero subestimado.
C1 adjective məˈdʒes.tɪk

Majestic

majestuoso
Meaning
Having impressive beauty, dignity, or grandeur; regal and stately in appearance.
Example
The majestic Himalayas stand tall against the sky.
Las majestuosas montañas del Himalaya se levantan alto contra el cielo.
C1 adjective /ˈspaɪni/

spiny

espinoso
Meaning
covered with or full of spines; having sharp points
Example
The spiny cactus stood tall in the desert.
El cactus espinoso se alzaba alto en el desierto.
C2 noun /ɪˈfluːviəm/

effluvium

efluvio
Meaning
an unpleasant or harmful odor, secretion, or discharge
Example
The effluvium from the factory spread across the neighborhood.
El efluvio de la fábrica se extendió por todo el vecindario.
C1 adjective /aʊtˈmoʊdɪd/

outmoded

desfasado
Meaning
No longer in fashion or useful; outdated.
Example
That old computer is completely outmoded.
Esa computadora antigua está completamente desfasada.
A1 noun /ˈbɔɪˌfrɛnd/

boyfriend

Meaning
a man or boy that someone is having a romantic or close relationship with
Example
She introduced her boyfriend to her parents.
C2 verb /ˈdʌv.teɪl/

dovetail

encajar perfectamente
Meaning
to fit or combine perfectly together
Example
Her plans dovetail perfectly with our goals.
Sus planes encajan perfectamente con nuestros objetivos.
C2 adjective /ˈtɜːrbɪd/

turbid

turbio
Meaning
Cloudy, opaque, or thick with suspended matter; confused or obscure in meaning.
Example
The river water became turbid after the heavy rains.
El agua del río se volvió turbia después de las fuertes lluvias.
B2 adjective ˈɡraʊndˌbreɪ.kɪŋ

groundbreaking

innovador
Meaning
Introducing new ideas or methods; innovative or pioneering.
Example
Groundbreaking advancements redefine innovation.
Los avances innovadores redefinen la innovación.
C1 noun /ˈtændʒənt/

tangent

tangente
Meaning
a straight line or plane that touches a curve or curved surface at a point but does not cross it
Example
The teacher drew a tangent to the circle on the board.
El profesor dibujó una tangente al círculo en la pizarra.
B2 noun /prækˈtɪʃ.ən.ər/

practitioner

profesional
Meaning
a person actively engaged in a profession, especially medicine or law
Example
She is a skilled medical practitioner.
Ella es una profesional médica capacitada.
C1 noun /ˈɑːr.sən.əl/

arsenal

arsenal
Meaning
A collection or storage place for weapons and military equipment.
Example
The army kept its weapons in a secure arsenal.
El ejército mantuvo sus armas en un arsenal seguro.
C1 verb /kəˈmɛmɔˌreɪt/

commemorate

conmemorar
Meaning
To honor and remember someone or something through a ceremony or action.
Example
The statue was built to commemorate the fallen heroes.
La estatua fue construida para conmemorar a los héroes caídos.
C1 noun /ˈmɜːrdʒər/

merger

fusión
Meaning
The combination of two or more companies into a single entity.
Example
The merger of the two firms created the largest bank in the region.
La fusión de las dos compañías creó el banco más grande de la región.
C2 verb /fleɪ/

flay

despojar/criticar severamente
Meaning
to strip off the skin of something or criticize severely
Example
The chef flayed the fish before cooking it.
El chef despojó el pescado antes de cocinarlo.
B2 adverb /ˈnæʃənəli/

nationally

a nivel nacional
Meaning
at the level of a whole nation; in a way that involves or affects an entire country
Example
The policy was implemented nationally to ensure equal benefits for all citizens.
La política fue implementada a nivel nacional para garantizar beneficios iguales para todos los ciudadanos.
C1 adjective /ˈlaɪf.laɪk/

lifelike

realista
Meaning
Very similar to a real person, object, or scene; realistic.
Example
The wax figure was so lifelike that people thought it was a real person.
La figura de cera era tan realista que la gente pensó que era una persona real.
C2 noun /ˈɛksplətɪv/

expletive

palabra ofensiva
Meaning
a word or phrase used as an exclamation, often offensive or profane
Example
He shouted an expletive when he dropped the hammer on his foot.
Él gritó una palabra ofensiva cuando dejó caer el martillo sobre su pie.
C1 adjective /ɪˌlɪzəˈbiːθən/

elizabethan

era isabelina
Meaning
Relating to the reign of Queen Elizabeth I of England (1558–1603), especially the style of that period.
Example
Shakespeare wrote many of his plays during the Elizabethan era.
Shakespeare escribió muchas de sus obras durante la era isabelina.
B2 adjective /ˈvɪv.ɪd/

Vivid

vivo; brillante; claro;
Meaning
producing powerful feelings or strong, clear images in the mind; bright and intense
Example
She has vivid memories of her childhood in the countryside.
Ella tiene recuerdos vívidos de su infancia en el campo.
C2 verb /ˌɪnkəˈpæsɪteɪt/

incapacitate

incapacitar
Meaning
to deprive someone or something of the ability or strength to function
Example
The severe injury incapacitated the player for the rest of the season.
La grave lesión incapacitó al jugador para el resto de la temporada.
C1 noun /ˈmɪl.ɪ.tənt/

Militant

militante
Meaning
A person who uses aggressive or violent methods to promote a political or social cause
Example
The militant group demanded immediate political reforms.
El grupo militante exigió reformas políticas inmediatas.
B2 noun /ˈɡɑːr.di.ən/

Guardian

guardián; tutor
Meaning
a defender, protector, or keeper; a person legally responsible for the care of someone unable to manage their own affairs
Example
After her parents died, her uncle became her legal guardian and took care of her.
Después de que sus padres murieron, su tío se convirtió en su guardián legal y se encargó de su cuidado.