volatile
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Español FR Francés DE Alemán RU Ruso ZH Chino JA Japonés
All Vocabulary Cards All Vocabularies
C1 adjective /ˈvɑːlətl/

volatile

volátil
Meaning
likely to change rapidly and unpredictably, especially for the worse
Example
The stock market is extremely volatile these days.
El mercado de valores es extremadamente volátil estos días.
C1 noun /kæʃ/

cache

caché
Meaning
A hidden storage of items or a high-speed memory in computing.
Example
The hikers found a cache of supplies hidden under the rocks.
Los excursionistas encontraron un almacén de suministros ocultos bajo las rocas.
C1 verb əˈkruː

accrue

acumular
Meaning
To accumulate or receive (payments or benefits) over time.
Example
Interest accrues on the savings account every month.
Los intereses se acumulan en la cuenta de ahorros cada mes.
C1 verb ɪkˈstræp.ə.leɪt

Extrapolate

extrapolar
Meaning
Making future estimates based on existing information
Example
Scientists extrapolate climate changes based on past data.
Los científicos extrapolan los cambios climáticos basados en datos pasados.
C1 noun /kjʊˈreɪtər/

curator

curador
Meaning
a person who is responsible for the care and management of a museum, gallery, or collection
Example
The curator organized a new exhibition of ancient artifacts.
El curador organizó una nueva exposición de artefactos antiguos.
C1 noun /blɒˈkeɪd/

Blockade

bloqueo
Meaning
an act or means of sealing off a place to prevent goods or people from entering or leaving
Example
The naval blockade prevented supplies from reaching the port.
El bloqueo naval impidió que los suministros llegaran al puerto.
C1 noun prəˈtɛk.ʃə.nɪ.zəm

protectionism

proteccionismo
Meaning
The theory or practice of shielding a country's domestic industries from foreign competition by taxing imports.
Example
The government's protectionism helped local businesses grow.
El proteccionismo del gobierno ayudó a las empresas locales a crecer.
C1 noun /ˈlaɪk.nəs/

Likeness

semejanza; parecido
Meaning
the fact or quality of being alike; resemblance; a portrait or representation
Example
The portrait shows a strong likeness to her grandmother.
El retrato muestra una gran semejanza con su abuela.
C1 adjective /ˌæl.truˈɪs.tɪk/

altruistic

altruista
Meaning
Showing a disinterested and selfless concern for the well-being of others.
Example
Her altruistic nature led her to volunteer for charities.
Su naturaleza altruista la llevó a ser voluntaria para organizaciones benéficas.
C1 noun, adjective /ˈkɪndrəd/

kindred

felicidad
Meaning
A person's relatives or family; similar in nature or character.
Example
They discovered kindred spirits in each other.
No pudo esconder su felicidad cuando recibió el premio.
C1 adjective /ˈhɛdˌstrɔŋ/

headstrong

terco
Meaning
Determined to do what one wants, even if it is not sensible.
Example
The headstrong child refused to listen to anyone.
El niño terco se negó a escuchar a nadie.
C1 verb /daɪˈluːt/

dilute

diluir
Meaning
To make a liquid thinner or weaker by adding water or another solvent.
Example
You should dilute the juice with water before serving it to children.
Debes diluir el jugo con agua antes de servirlo a los niños.
C1 noun /ˈtriːzən/

Treason

traición
Meaning
the crime of betraying one's country, especially by attempting to kill or overthrow the sovereign or government
Example
He was accused of treason against the state.
Él fue acusado de traición contra el estado.
C1 noun /ɡɔːrd/

Gourd

calabaza
Meaning
a climbing plant with large fruits that have hard shells when dried
Example
The bottle gourd curry was delicious and nutritious.
El curry de calabaza en botella estaba delicioso y nutritivo.
C1 noun /kənˈtɪn.ju.əns/

continuance

continuidad
Meaning
the state of continuing or being prolonged; persistence
Example
The continuance of the project depended on securing additional funding.
La continuación del proyecto dependía de asegurar fondos adicionales.
C1 adjective /koʊˈɪnsɪdənt/

coincident

coincidente
Meaning
Occurring at the same time; occupying the same position in space or time.
Example
The festival was coincident with the national holiday.
El festival fue coincidente con el día festivo nacional.
C1 verb /ˈɔːstrəˌsaɪz/

ostracize

ostracizar
Meaning
to exclude someone from a group or society; to banish or shun
Example
After the scandal, he was ostracized by his former colleagues.
Después del escándalo, fue ostracizado por sus antiguos compañeros de trabajo.
C1 noun /ˈrɒndɪvuː/

rendezvous

encuentro
Meaning
a meeting or appointment at an agreed time and place
Example
They arranged a secret rendezvous at the café.
Arreglaron un encuentro secreto en el café.
C1 noun /ˈʌlsər/

ulcer

úlcera
Meaning
a sore on the skin or a mucous membrane that does not heal easily
Example
The doctor prescribed medicine to treat the stomach ulcer.
El médico recetó un medicamento para tratar la úlcera de estómago.
C1 verb /blæntʃ/

blanch

despálido
Meaning
to turn pale from shock, fear, or to briefly boil food to remove skin or prepare it
Example
She blanched at the sight of blood.
Ella se puso pálida al ver la sangre.
C1 noun /huːf/

Hoof

pezuña
Meaning
the hard part covering the foot of horses, cattle, sheep, and other animals
Example
The horse's hoof was injured after stepping on a sharp rock.
La pezuña del caballo se lesionó después de pisar una roca afilada.
C1 noun /ˈmɒk.ər.i/

Mockery

burla; ridículo;
Meaning
teasing and contemptuous language or behavior; ridicule
Example
His speech was met with mockery from the audience.
Su discurso fue recibido con burla por la audiencia.
C1 noun /ˌfəʊtəʊˈsɪnθɛtɪk ɪˈfɪʃənsi/

photosynthetic efficiency

eficiencia fotosintética
Meaning
The measure of how effectively plants convert light energy into chemical energy through the process of photosynthesis, directly affecting plant growth and crop yield.
Example
Improving photosynthetic efficiency can increase crop yields.
Mejorar la eficiencia fotosintética puede aumentar los rendimientos de los cultivos.
C1 noun /dɪsˈsɜːrvɪs/

disservice

perjuicio
Meaning
A harmful action; something that does damage rather than help.
Example
Spreading false information is a disservice to the community.
Difundir información falsa es un perjuicio para la comunidad.
C1 verb /priːˈɒkjʊpaɪ/

preoccupy

preocupar, obsesionar
Meaning
To dominate or engross the mind of someone to the exclusion of other thoughts.
Example
Worries about the future preoccupy him constantly.
Las preocupaciones sobre el futuro lo ocupan constantemente.
C1 noun /kɪˈməʊnoʊ/

kimono

kimono
Meaning
a traditional Japanese robe with wide sleeves, tied with a sash
Example
She wore a beautiful silk kimono at the ceremony.
Ella llevaba un hermoso kimono de seda en la ceremonia.
C1 noun /wɪm/

whim

capricho
Meaning
a sudden or unpredictable idea, desire, or decision
Example
She bought the dress on a whim.
Ella compró el vestido por capricho.
C1 noun /ɪnˈhɛrɪtər/

inheritor

heredero
Meaning
a person who receives money, property, or a title when someone dies
Example
She became the inheritor of her family's estate.
Ella se convirtió en la heredera de la propiedad de su familia.
C1 verb /ˈtæn.tə.laɪz/

tantalize

tentación
Meaning
To tease or torment someone with the promise of something desirable but unattainable.
Example
The aroma of the bakery tantalized the hungry children.
El aroma de la panadería tentó a los niños hambrientos.
C1 adjective /ˈkɒn.keɪv/

concave

cóncavo
Meaning
curved inward like the inside of a bowl
Example
The mirror had a concave surface that magnified her reflection.
El espejo tenía una superficie cóncava que magnificaba su reflejo.
C1 noun /ˈʃæmbəlz/

shambles

desorden total
Meaning
a state of complete disorder or ruin
Example
After the storm, the whole town was in shambles.
Después de la tormenta, toda la ciudad estaba en desorden total.
C1 adjective /ˈtɒrɪd/

torrid

muy caliente y seco; lleno de emociones o pasiones intensas
Meaning
Very hot and dry; full of strong emotions or passion.
Example
The desert heat was torrid during the day.
El calor del desierto era torrido durante el día.
C1 noun /ˈæl.kə.laɪ/

alkali

alcalino
Meaning
a soluble base substance, typically with a pH greater than 7, that neutralizes acids
Example
Soap contains alkali which helps remove grease.
El jabón contiene alcalino que ayuda a quitar la grasa.
C1 noun/verb /ˈrɛprɪˌmænd/

reprimand

reprensión
Meaning
A formal expression of disapproval; to scold or criticize someone officially.
Example
The teacher reprimanded the student for being late.
El maestro reprendió al estudiante por llegar tarde.
C1 noun njuːˈtræl.ə.ti

neutrality

neutralidad
Meaning
The state of not supporting or helping either side in a conflict, disagreement, etc.; impartiality.
Example
Neutrality fosters trust in decision-making.
La neutralidad fomenta la confianza en la toma de decisiones.
C1 adjective /ˈplɒd.ɪŋ/

plodding

lento y aburrido
Meaning
slow-moving and unexciting; showing steady effort
Example
The movie was entertaining but a bit plodding in the middle.
La película fue entretenida, pero un poco lenta y aburrida en el medio.
C1 verb /lʊər/

lure

atraer
Meaning
to attract or tempt someone, often by offering something appealing
Example
The advertisement lured customers with promises of discounts.
El anuncio atrajo a los clientes con promesas de descuentos.
C1 adjective /ˈlɪstləs/

listless

sin energía
Meaning
lacking energy, enthusiasm, or interest
Example
She felt listless after working long hours without rest.
Se sintió sin energía después de trabajar durante largas horas sin descanso.
C1 adjective /ˈrænsɪd/

rancid

rancio
Meaning
having a bad taste or smell due to being old or spoiled (especially fats or oils)
Example
The butter had gone rancid after being left out too long.
La mantequilla se puso rancia después de estar demasiado tiempo fuera.
C1 verb /mæʃ/

mash

machacar
Meaning
to crush or mix food into a soft mass, usually by pressing or beating
Example
She mashed the potatoes before serving dinner.
ella machó las papas antes de servir la cena.
C1 adjective ˈɪn.lənd

Inland

del interior
Meaning
Situated in the interior of a country; away from the coast.
Example
Inland transport boosts local trade.
El transporte del interior impulsa el comercio local.
C1 noun /ˌʌnbɪˈliːf/

Unbelief

incredulidad
Meaning
lack of religious belief; skepticism or doubt
Example
His unbelief in the supernatural made him a skeptic.
Su incredulidad hacia lo sobrenatural lo convirtió en un escéptico.
C1 noun /ˈsɛntɪˌliːtər/

centiliter

centilitro
Meaning
A metric unit of capacity equal to one hundredth of a liter.
Example
The recipe calls for 20 centiliters of milk.
La receta requiere 20 centilitros de leche.
C1 adjective /ʌnˈtʌtʃəbəl/

Untouchable

intocable; más allá de la crítica o el ataque
Meaning
not able to be touched or affected; beyond criticism or attack
Example
The CEO seemed untouchable despite the scandal.
El CEO parecía intocable a pesar del escándalo.
C1 adjective /ˈɜːrstwaɪl/

erstwhile

antiguo
Meaning
former or in the past
Example
They were erstwhile friends but no longer speak.
Fueron amigos antiguos, pero ya no hablan.
C1 adjective /ˈhæb.ɪ.tə.bəl/

Habitable

habitable
Meaning
suitable or good enough to live in
Example
The planet Mars may become habitable in the future.
El planeta Marte puede volverse habitable en el futuro.
C1 noun /ˈhɪpnətɪzəm/

hypnotism

hipnotismo
Meaning
The practice or act of inducing hypnosis.
Example
He studied hypnotism as part of his psychology degree.
Estudió el hipnotismo como parte de su carrera en psicología.
C1 verb /ˈpɑːzɪt/

posit

postular
Meaning
To assume or suggest something as a fact or basis for reasoning.
Example
The scientist posited a new theory to explain the phenomenon.
El científico postuló una nueva teoría para explicar el fenómeno.
C1 noun, verb /fɔːrd/

ford

vado
Meaning
A shallow place in a river where one can cross; to cross a river at such a place.
Example
The travelers decided to ford the river at dawn.
Los viajeros decidieron cruzar el río por un vado al amanecer.
C1 noun /truːs/

truce

tregua
Meaning
An agreement between enemies or opponents to stop fighting for a certain time.
Example
The two countries agreed to a truce after weeks of intense fighting.
Los dos países acordaron una tregua después de semanas de intensos combates.
C1 adjective /ˈnjʊrəl/

neural

neuronal
Meaning
Relating to nerves or the nervous system.
Example
Scientists study neural connections in the brain.
Los científicos estudian las conexiones neuronales en el cerebro.
C1 adjective /ʌnˈtʃælɪndʒd/

Unchallenged

incontestable; aceptado sin oposición; sin rival
Meaning
not disputed or questioned; accepted without opposition; having no rival
Example
He remained the unchallenged champion for five years.
Él permaneció como el campeón indiscutido durante cinco años.
C1 adjective /ˈskænti/

Scanty

pequeño en tamaño o cantidad; insuficiente; apenas adecuado
Meaning
small in size or amount; insufficient; barely adequate
Example
The refugee camp had scanty food supplies.
El campo de refugiados tenía suministros de comida escasos.
C1 adjective /prɪˈsɪpɪtəs/

precipitous

empinado o repentino
Meaning
Extremely steep or sudden; done quickly without careful consideration.
Example
The hikers struggled to climb the precipitous slope.
Los excursionistas lucharon por subir la pendiente empinada.
C1 adjective /ˈtrɛtʃərəs/

treacherous

traicionero
Meaning
Dangerously unstable or deceptive; likely to betray trust.
Example
The treacherous road made driving difficult.
La carretera traicionera hizo que conducir fuera difícil.
C1 adjective /əˈbaɪdɪŋ/

abiding

perpetuo
Meaning
lasting for a long time; enduring
Example
She had an abiding love for her hometown.
Ella tenía un amor perpetuo por su ciudad natal.
C1 adjective /ˈædəmənt/

Adamant

terco; obstinado; firme; inflexible
Meaning
একগুঁয়ে; জেদী; দৃঢ়সংকল্প; অনমনীয়;
Example
She was adamant about her decision to leave the company.
Ella fue terca con su decisión de dejar la empresa.
C1 noun /ˈɪn.fən.tri/

Infantry

infantería
Meaning
soldiers marching or fighting on foot; foot soldiers collectively
Example
The infantry advanced across the battlefield on foot.
La infantería avanzó a través del campo de batalla a pie.
C1 adjective /rɪˈbel.jəs/

Rebellious

rebelde; desobediente; que resiste la autoridad;
Meaning
defying authority; resisting control; disobedient;
Example
The rebellious teenager refused to follow his parents' rules.
El adolescente rebelde se negó a seguir las reglas de sus padres.
C1 noun /pəˈzɛsər/

possessor

poseedor
Meaning
A person who owns or holds something.
Example
The possessor of the land built a new house.
El poseedor de la tierra construyó una nueva casa.
C1 noun /ˈbeɪsbɔːrd/

baseboard

zócalo
Meaning
A narrow board running along the bottom of an interior wall, covering the joint between wall and floor.
Example
The carpenter painted the baseboard white.
El carpintero pintó el zócalo de blanco.
C1 noun /ˈriːpər/

reaper

una persona o máquina que corta y recoge cultivos
Meaning
a person or machine that cuts and gathers crops
Example
The reaper moved slowly through the golden fields.
El ríper se movió lentamente a través de los campos dorados.
C1 adjective /ˌæntiˈsleɪvəri/

antislavery

antiesclavismo
Meaning
Opposed to the practice or system of slavery.
Example
The antislavery movement gained momentum in the 19th century.
El movimiento antiesclavista cobró impulso en el siglo XIX.
C1 noun prɪˈzɜː.və.tɪvz

preservatives

conservantes
Meaning
A substance used to preserve foodstuffs, wood, or other materials against decay.
Example
Many processed foods contain harmful preservatives.
Muchos alimentos procesados contienen conservantes dañinos.
C1 noun /ˌʌnriˈælɪti/

unreality

irrealidad
Meaning
the state or quality of being unreal; lack of reality or truth
Example
The dreamlike setting gave the story a sense of unreality.
El escenario onírico dio a la historia una sensación de irrealidad.
C1 adjective /ɪkˈsaɪtəbl̩/

excitable

excitable
Meaning
easily excited or emotionally aroused
Example
The child was excitable and laughed at every small thing.
El niño era excitable y se reía de cada pequeña cosa.
C1 noun /ɪnˈsɜːʃən/

insertion

inserción
Meaning
the action of inserting something into something else
Example
The insertion of the new data was completed successfully.
La inserción de los nuevos datos se completó con éxito.
C1 adjective /ˈfruː.ɡəl/

Frugal

ahorrativo; económico;
Meaning
economical; thrifty;
Example
She is very frugal and saves money by buying only necessary items.
Ella es muy ahorrativa y ahorra dinero comprando solo lo necesario.
C1 noun /ˈskwɒlər/

squalor

miseria
Meaning
the state of being extremely dirty and unpleasant, especially due to poverty or neglect
Example
They lived in squalor without basic facilities.
Vivían en la miseria sin instalaciones básicas.
C1 verb /məˈtɪərɪəlaɪz/

materialize

materializarse
Meaning
To become real or actual; to appear suddenly or in a physical form.
Example
The opportunity he had been waiting for finally materialized.
La oportunidad que había estado esperando finalmente se materializó.
C1 noun ɔːrˈdiːl

ordeal

prueba difícil
Meaning
A physical or mental painful experience that must be endured
Example
Surviving the wilderness was a tough ordeal for them.
Sobrevivir en la naturaleza fue una dura prueba para ellos.
C1 verb ɪˈnɔː.ɡjə.reɪ.tɪd

inaugurated

inaugurado
Meaning
Begin or introduce (a system, policy, or period) formally.
Example
The organization was inaugurated officially.
La organización fue inaugurada oficialmente.
C1 adjective /ʌnˈmænɪdʒəbəl/

Unmanageable

incontrolable; fuera de control
Meaning
difficult or impossible to control or handle
Example
The large class became unmanageable without proper supervision.
La gran clase se volvió incontrolable sin una supervisión adecuada.
C1 adjective /ʌnˈkwes.tʃən.ə.bl̩/

Unquestionable

indiscutible; seguro
Meaning
not able to be disputed or doubted; certain and beyond doubt
Example
Her honesty and integrity are unquestionable qualities.
Su honestidad e integridad son cualidades indiscutibles.
C1 adjective /ˈænsɪləri/

ancillary

auxiliar
Meaning
providing necessary support to the main system or organization
Example
The company provides ancillary services to the healthcare industry.
La empresa proporciona servicios auxiliares a la industria de la salud.
C1 adjective /ˈskrʌmpʃəs/

scrumptious

exquisito
Meaning
extremely tasty or delicious
Example
She baked a scrumptious chocolate cake for the party.
Ella horneó un exquisito pastel de chocolate para la fiesta.
C1 adjective /kəˈlæpsəbl̩/

collapsible

plegable
Meaning
able to be folded down or reduced in size
Example
She bought a collapsible chair for camping.
Ella compró una silla plegable para acampar.
C1 adjective /səˈdʒɛstɪv/

suggestive

sugestivo
Meaning
tending to suggest ideas or images; sometimes implies something sexual or provocative
Example
The painting was highly suggestive and sparked much debate.
La pintura era muy sugestiva y provocó mucho debate.
C1 adjective /ˈʃɪvəlrəs/

chivalrous

caballeroso
Meaning
Behaving in a courteous, gallant, and honorable way, especially toward women.
Example
He was chivalrous, always opening doors for others.
Él era caballeroso, siempre abriendo puertas para los demás.
C1 adjective /dɪˈskrɪmɪˌneɪtɪŋ/

discriminating

discriminatorio
Meaning
Having refined taste or good judgment; able to recognize subtle differences.
Example
She is known for her discriminating taste in art.
Es conocida por su gusto discriminatorio en el arte.
C1 adjective /ˈbed.rɪd.ən/

Bedridden

postrado en cama
Meaning
confined to bed; unable to leave one's bed due to illness or infirmity
Example
The elderly man has been bedridden for several months.
El hombre anciano ha estado postrado en cama durante varios meses.
C1 noun /ˈpɛsəl/

pestle

pistilo
Meaning
A heavy tool with a rounded end used for crushing or grinding substances in a mortar.
Example
She used a pestle to grind the spices.
Ella usó un pistilo para moler las especias.
C1 verb /ɪmˈpiːd/

impede

impedir
Meaning
To obstruct or hinder the progress or development of something.
Example
Lack of funds can impede business growth.
La falta de fondos puede impedir el crecimiento empresarial.
C1 adjective /məˈlɪɡnənt/

malignant

maligno
Meaning
dangerous or harmful in influence or effect; medically, tending to invade and destroy tissue
Example
Doctors confirmed that the tumor was malignant.
Los doctores confirmaron que el tumor era maligno.
C1 verb /ˈhjuːmənaɪz/

humanize

humanizar
Meaning
To make something more humane, kind, or relatable.
Example
The teacher tried to humanize the lesson with personal stories.
La maestra trató de humanizar la lección con historias personales.
C1 noun /ˈroʊz ˈwɔː.tər/

Rose-water

agua de rosa
Meaning
a flavored water made by steeping rose petals in water, used in cooking and cosmetics
Example
She added a few drops of rose-water to the dessert.
Ella añadió unas gotas de agua de rosa al postre.
C1 adjective /ˈpɒs.tʃə.məs/

Posthumous

póstumo
Meaning
occurring or continuing after death; published after the author's death
Example
The author received a posthumous award for his last novel.
El autor recibió un premio póstumo por su última novela.
C1 verb /ˈdʒɪtər/

jitter

temblar
Meaning
to shake or tremble slightly, often from fear, nervousness, or excitement
Example
He began to jitter nervously before giving his speech.
Comenzó a temblar nerviosamente antes de dar su discurso.
C1 noun /ˈdɛljuːdʒ/

deluge

inundación
Meaning
A severe flood; an overwhelming quantity of something.
Example
The town was hit by a deluge of rain in just a few hours.
La ciudad fue golpeada por una inundación de lluvia en solo unas pocas horas.
C1 verb /tʃaɪd/

chide

reprender
Meaning
to scold or rebuke; to express disapproval
Example
The teacher chided the student for being late.
El profesor reprendió al estudiante por llegar tarde.
C1 adjective /ˌɛm.briˈɒn.ɪk/

embryonic

embrionario
Meaning
in an early or undeveloped stage; relating to an embryo
Example
The project is still in its embryonic stage.
El proyecto aún está en su etapa embrionaria.
C1 noun ˈsɒl.vən.si

solvency

la posesión de activos en exceso de pasivos; capacidad para pagar deudas
Meaning
The possession of assets in excess of liabilities; ability to pay debts.
Example
The company's solvency improved after restructuring.
La solvencia de la empresa mejoró después de la reestructuración.
C1 adjective /ˈɡrʌdʒɪŋ/

grudging

renuente
Meaning
Reluctant or unwilling; given or allowed only with hesitation.
Example
She gave him a grudging smile after the argument.
Le dio una sonrisa renuente después de la discusión.
C1 noun /ˈɪn.trə.vɜːrt/

introvert

introvertido
Meaning
A person who tends to be shy and prefers spending time alone rather than in groups.
Example
As an introvert, he preferred reading over attending parties.
Como introvertido, prefería leer en lugar de asistir a fiestas.
C1 adjective /ˈprɪnsəpəld/

principled

principista
Meaning
acting in accordance with moral or ethical standards
Example
He is a principled leader who always puts honesty first.
Él es un líder principista que siempre pone la honestidad primero.
C1 adjective /ˈprɒdɪɡəl/

prodigal

derrochador
Meaning
spending money or resources freely and recklessly; wastefully extravagant
Example
The prodigal son returned home after wasting his inheritance.
El hijo pródigo regresó a casa después de malgastar su herencia.
C1 noun /vərˈnækjələr/

vernacular

lengua vernácula
Meaning
the language or dialect spoken by ordinary people in a particular region
Example
He gave his speech in the local vernacular so everyone could understand.
Él dio su discurso en la lengua vernácula local para que todos pudieran entender.
C1 adjective /ˈsʌpl/

supple

flexible
Meaning
Easily bending or moving without breaking; flexible and adaptable.
Example
The gymnast’s body was remarkably supple.
El cuerpo de la gimnasta era notablemente flexible.
C1 noun /ˈmæroʊ/

Marrow

médula ósea
Meaning
A soft fatty substance in the cavities of bones; the essence of something
Example
The bone marrow produces blood cells in the human body.
La médula ósea produce células sanguíneas en el cuerpo humano.
C1 adjective /ˌjuːtɪlɪˈtɛəriən/

utilitarian

utilitario
Meaning
Designed to be useful or practical rather than attractive; relating to the doctrine that actions are right if they are useful or for the benefit of a majority.
Example
The building had a simple utilitarian design.
El edificio tenia un diseno utilitario simple.
C1 adjective /ˌsækrəˈlɪdʒəs/

sacrilegious

sacrílego
Meaning
Showing disrespect or irreverence toward something sacred.
Example
The painting was criticized as being sacrilegious.
La pintura fue criticada por ser sacrílega.
C1 adjective /ˈrʌɡ.ɪd/

Rugged

áspero y desigual; con superficie irregular; fuerte y resistente
Meaning
rough and uneven; having a rough irregular surface; tough and strong
Example
The hikers crossed the rugged mountain terrain.
Los excursionistas cruzaron el terreno accidentado de la montaña.
C1 noun /slæɡ/

slag

escoria
Meaning
Stony waste matter separated from metals during the smelting process.
Example
The factory dumped the slag near the river.
La fábrica arrojó la escoria cerca del río.
C1 noun ˌlɪb.ərˈeɪ.ʃən

liberation

liberación
Meaning
The action of setting someone free from imprisonment, slavery, or oppression; release.
Example
Liberation movements inspired many countries.
Los movimientos de liberación inspiraron a muchos países.
C1 noun ˈflɔː.rə ænd ˈfɔː.nə

flora and fauna

flora y fauna
Meaning
The plants and animals of a particular region, habitat, or geological period.
Example
The Galápagos Islands have unique flora and fauna.
Las Islas Galápagos tienen una flora y fauna únicas.
C1 noun /ˈtem.pɚ.əns/

temperance

templanza
Meaning
Moderation in action, thought, or feeling; restraint.
Example
Temperance is essential for a balanced life.
La templanza es esencial para una vida equilibrada.
C1 noun /ˈɛkstrəˌvɜːrt/

extrovert

extrovertido
Meaning
a person who is outgoing, sociable, and energized by being around other people
Example
As an extrovert, she enjoys meeting new people at social events.
Como extrovertida, le gusta conocer gente nueva en eventos sociales.
C1 noun /ˈpriːˌkɜrsər/

precursor

precursor
Meaning
Something or someone that comes before another and indicates the approach of something else.
Example
The steam engine was a precursor to modern trains.
El motor a vapor fue un precursor de los trenes modernos.
C1 adjective, verb /muːt/

moot

irrelevante / debatible
Meaning
Adjective: subject to debate or irrelevant. Verb: to suggest an idea for discussion.
Example
The issue of funding became a moot point after the project was canceled.
El tema de la financiación se convirtió en un punto irrelevante después de que el proyecto fuera cancelado.
C1 verb /iːk/

eke

hacer durar
Meaning
to make a small amount of something last longer by using it sparingly
Example
The family tried to eke out their savings during the tough months.
La familia intentó hacer durar sus ahorros durante los meses difíciles.
C1 noun ˌɪnsjʊˈleɪʃən

insulation

aislamiento
Meaning
Material used to prevent heat, sound, or electricity from being transmitted from one area to another.
Example
Insulation of food storage areas can prevent pests from entering.
El aislamiento de las áreas de almacenamiento de alimentos puede evitar que entren plagas.
C1 noun /əˈlɜːrtnəs/

alertness

estado de alerta
Meaning
the state of being mentally aware and quick to notice or respond; vigilance
Example
The driver maintained a high level of alertness during the long journey.
El conductor mantuvo un alto nivel de estado de alerta durante el viaje.
C1 noun /ˈfen.jʊ.griːk/

Fenugreek

fenogreco
Meaning
an herb whose seeds and leaves are used as a spice in cooking
Example
Fenugreek seeds have a slightly bitter taste and are commonly used in Indian cuisine.
Las semillas de fenogreco tienen un sabor ligeramente amargo y se utilizan comúnmente en la cocina india.
C1 noun /ˈpɛndjələm/

pendulum

péndulo
Meaning
A weight suspended from a pivot so that it swings freely, often used to regulate clocks.
Example
The pendulum swung back and forth inside the clock.
El péndulo oscilaba hacia adelante y hacia atrás dentro del reloj.
C1 noun /ˈkɒt.ən ˈfæb.rɪk/

Cotton Fabric

tela de algodón
Meaning
textile made from cotton fibers, known for being soft, breathable, and comfortable
Example
Cotton fabric is perfect for summer clothing.
La tela de algodón es perfecta para la ropa de verano.
C1 noun /ˈliːvˌteɪ.kɪŋ/

leave-taking

despedida
Meaning
an act of saying goodbye; farewell
Example
His leave-taking from his friends was emotional.
Su despedida de sus amigos fue emocional.
C1 noun /məˈnɒɡəmi/

monogamy

monogamia
Meaning
The practice of being married to or in a relationship with only one person at a time.
Example
Many cultures encourage monogamy as the ideal form of marriage.
Muchas culturas fomentan la monogamia como la forma ideal de matrimonio.
C1 adjective /rɪˈtaɪərɪŋ/

retiring

tímido
Meaning
Shy and reserved; avoiding social contact.
Example
She is a quiet, retiring woman who avoids attention.
Ella es una mujer tranquila y tímida que evita la atención.
C1 noun ˌsʌb.sɪ.dɪˈzeɪ.ʃən

subsidization

subsidio
Meaning
Financial assistance provided by government to make certain goods or services more affordable.
Example
Subsidization of agriculture helps farmers maintain crop production.
La subsidización de la agricultura ayuda a los agricultores a mantener la producción de cultivos.
C1 noun /ɪɡˈzɛkjətər/

executor

ejecutor de testamento
Meaning
A person appointed to carry out the terms of someone's will after their death.
Example
The executor managed the estate according to the deceased’s wishes.
El ejecutor gestionó la propiedad según los deseos del fallecido.
C1 adjective /kəmˈplɪsɪt/

complicit

cómplice (en un crimen)
Meaning
involved with others in an illegal activity or wrongdoing
Example
He was found complicit in the crime.
Él fue encontrado cómplice en el crimen.