altitude
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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.
C1 adjective /ɪnˈveə.ri.ə.bəl/

Invariable

invariable; constante; siempre igual
Meaning
never changing; constant; always the same
Example
His invariable routine includes morning exercise and coffee.
Su rutina invariable incluye ejercicio por la mañana y café.
A2 adjective /streɪndʒ/

strange

extraño
Meaning
unusual or not normal
Example
It was strange to see him at the party after so long.
Era extraño verlo en la fiesta después de tanto tiempo.
B2 noun /diːp ˈkʌlər/

Deep colour

color profundo
Meaning
a rich, intense, or dark shade of any color
Example
The artist used deep colours to create a dramatic effect.
El artista usó colores profundos para crear un efecto dramático.
B2 noun /ˈflɒrɪst/

florist

florista
Meaning
A person who sells and arranges flowers.
Example
We bought a bouquet from the local florist.
Compramos un ramo en el florista local.
C1 noun /ˈmɒnəˌlɒɡ/

monologue

monólogo
Meaning
A long speech by one person, often in a play or performance.
Example
The actor delivered a powerful monologue on stage.
El actor entregó un poderoso monólogo en el escenario.
C1 verb /ˈkɒr.ə.leɪt/

correlate

establecer una relación
Meaning
To have a mutual relationship or connection; to establish a relationship between two or more things.
Example
Researchers found that diet and mental health correlate strongly.
Los investigadores descubrieron que la dieta y la salud mental se correlacionan fuertemente.
A1 noun /ˈwɪmən/

woman

mujer
Meaning
an adult human female
Example
The woman at the counter helped me.
La mujer en el mostrador me ayudó.
C2 adjective /ˈkʌsɪd/

cussed

terco
Meaning
Annoyingly stubborn or difficult.
Example
He was too cussed to admit his mistake.
Era demasiado terco para admitir su error.
C1 adjective /ˌɒstɛnˈteɪʃəs/

ostentatious

ostentoso
Meaning
Characterized by a showy or pretentious display intended to impress others.
Example
He wore an ostentatious gold chain to the party.
Llevaba una cadena de oro ostentosa en la fiesta.
C1 adjective /ˈbɔɪənt/ or /ˈbuːjənt/

buoyant

flotante, animado
Meaning
Able to float easily; cheerful and optimistic.
Example
She remained buoyant despite the difficulties.
Ella permaneció animada a pesar de las dificultades.
C1 adjective /ˈstɒdʒi/

stodgy

pesado, anticuado
Meaning
Dull, uninspired, or old-fashioned; also heavy and hard to digest when referring to food.
Example
The lecture was so stodgy that many students struggled to stay awake.
La conferencia fue tan pesada que muchos estudiantes tuvieron dificultades para mantenerse despiertos.
C2 verb /dʒaɪb/

gibe

burlarse
Meaning
To make insulting or mocking remarks; to taunt.
Example
The fans gibed at the losing team.
Los fanáticos se burlaron del equipo perdedor.
B1 noun /ˌrɛzəˈluːʃən/

resolution

resolución, decisión
Meaning
The action of solving a problem, dispute, or contentious matter.
Example
The resolution of the issue requires careful planning and action.
La resolución del problema requiere una planificación y acción cuidadosa.
C2 noun /ˈaɪ.kɒn/

ikon

imagen religiosa o símbolo
Meaning
A religious image or symbol, especially in the Eastern Orthodox Church.
Example
The church displayed a beautifully painted ikon of the Virgin Mary.
La iglesia mostró un ícono bellamente pintado de la Virgen María.
A2 adjective /niːt/

Neat

limpio y ordenado; bien organizado; hecho cuidadosamente
Meaning
clean and tidy; well-organized; carefully done
Example
Her room is always neat and organized.
Su habitación siempre está limpia y organizada.
C2 noun /ˈɪɡ.nəˌmɪn.i/

ignominy

ignominia
Meaning
Public shame, disgrace, or dishonor.
Example
He lived the rest of his life in ignominy after the scandal.
Vivió el resto de su vida en ignominia después del escándalo.
B1 noun /ˈkɪŋdəm/

Kingdom

reino
Meaning
a country or territory ruled by a king or queen
Example
The kingdom was known for its rich culture and traditions.
El reino era conocido por su rica cultura y tradiciones.
B2 verb /tæn/

tan

ponerse la piel o el cuero de color marrón por exposición al sol o productos químicos
Meaning
to make skin or a hide brown by exposure to the sun or by using chemicals
Example
She tanned her skin after spending the summer at the beach.
Ella bronceó su piel después de pasar el verano en la playa.
B2 verb /ɪˈnɪʃieɪt/

initiate

iniciar
Meaning
to begin or start; to introduce someone to a new activity
Example
The company will initiate a new training program.
La empresa iniciará un nuevo programa de capacitación.
C2 adjective /ˈkwɒdreɪt/

quadrate

cuadrado
Meaning
square or nearly square; having four sides or being suited or corresponding to something
Example
The tiles had a neat quadrate shape that made the floor look orderly.
Las baldosas tenían una forma cuadrada ordenada que hacía que el piso se viera ordenado.
C2 adjective /ɡlɪb/

glib

superficial pero insincero
Meaning
speaking easily but without sincerity or depth
Example
The politician gave a glib answer to a serious question.
El político dio una respuesta superficial a una pregunta seria.
B2 adverb /ˌæksɪˈdɛntəli/

accidentally

accidentalmente
Meaning
happening by chance or unexpectedly
Example
He accidentally dropped the glass.
Él dejó caer el vaso accidentalmente.
C1 noun /ˈpɪn.sərz/

Pincers

tenaza
Meaning
a tool made of two curved or hinged pieces of metal used for gripping and pulling things
Example
The chef used pincers to remove the hot pot from the stove.
El chef usó una tenaza para sacar la olla caliente de la estufa.
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.
A2 verb /ˈdʌbəl/

double

duplicar
Meaning
to make twice as much in size, number, or amount
Example
The company hopes to double its profits this year.
La compañía espera duplicar sus ganancias este año.
B2 noun dɪˈveləpɪŋ ˈriːdʒənz

developing regions

regiones en desarrollo
Meaning
Areas or countries that are in the process of economic growth and development
Example
Pollution affects developing regions the most.
La contaminación afecta más a las regiones en desarrollo.
B2 verb kənˈdem

condemn

condenar
Meaning
To express complete disapproval of; to censure.
Example
The leaders condemned the actions as inhumane.
Los líderes condenaron las acciones como inhumanas.
C1 adjective /ʌnˈduː/

Undue

excesivo; inapropiado; más de lo necesario o adecuado
Meaning
excessive; inappropriate; more than is necessary or proper
Example
The teacher complained about undue pressure from parents.
El maestro se quejó de la presión excesiva de los padres.
B2 adjective /ɪmˈpɜːrfɪkt/

imperfect

imperfecto
Meaning
Not perfect; having faults or flaws.
Example
The painting was beautiful despite being imperfect.
La pintura era hermosa a pesar de ser imperfecta.
B2 adverb /ˈθɪkli/

Thickly

densamente
Meaning
in a thick manner; densely; heavily
Example
The forest was thickly wooded with tall pine trees.
El bosque estaba densamente cubierto de altos pinos.
C1 noun ˈsæŋktɪti

sanctity

santidad
Meaning
The state or quality of being holy, sacred, or saintly; ultimate importance.
Example
The sanctity of life should never be compromised.
La santidad de la vida nunca debe ser comprometida.
B2 noun /ˈprɛʃər ˈkʊkər/

Pressure cooker

olla a presión
Meaning
a sealed cooking pot that uses steam pressure to cook food faster
Example
Using a pressure cooker reduces cooking time by more than half.
El uso de una olla a presión reduce el tiempo de cocción a más de la mitad.
C2 noun /ˈbrɔːdˌsaɪd/

broadside

ataque contundente
Meaning
a strong verbal attack or a sheet of paper printed on one side
Example
The politician launched a broadside against his opponent.
El político lanzó un ataque contundente contra su oponente.
B2 verb /kənˈsiːd/

concede

admitir
Meaning
to admit something is true or valid, often reluctantly
Example
She finally conceded that she was wrong.
Ella finalmente admitió que estaba equivocada.
C2 adjective /ˌæl.ɪˈmen.tər.i/

alimentary

relacionado con la digestión
Meaning
relating to nourishment or the organs of digestion
Example
The doctor explained the role of the alimentary canal in digestion.
El doctor explicó el papel del canal alimentario en la digestión.
B1 adjective /ˈkæʒ.u.əl/

Casual

relajado y despreocupado; que ocurre por casualidad; informal
Meaning
relaxed and unconcerned; happening by chance; informal
Example
He wore casual clothes to the party.
Él usó ropa casual para la fiesta.
A2 noun /ˈnɛtˌwɜrk/

network

red
Meaning
A system of interconnected people, things, or computers.
Example
She built a strong professional network.
Ella construyó una red profesional sólida.
B1 noun /bɪˈliːf/

Belief

creencia; confianza
Meaning
confidence in the truth or existence of something; trust or faith
Example
His belief in justice never wavered.
Su creencia en la justicia nunca vaciló.
C2 noun /bɪˈtroʊðəl/

betrothal

compromiso
Meaning
The formal engagement to be married.
Example
Their betrothal was announced to the whole village.
Su compromiso fue anunciado a todo el pueblo.
C1 noun /ˈiːɡətɪst/

egotist

ególatra
Meaning
A person who is excessively self-centered or talks too much about themselves.
Example
The egotist dominated the conversation by talking only about his own achievements.
El ególatra dominó la conversación hablando solo de sus propios logros.
C1 verb /priːˈɛmpt/

pre-empt

prevenir por adelantado
Meaning
to act in advance to prevent an anticipated event from happening; forestall
Example
The government moved to pre-empt a crisis by introducing new policies.
El gobierno se movió para prevenir una crisis introduciendo nuevas políticas.
C1 adverb /əˈtroʊʃəsli/

atrociously

atrozmente
Meaning
in a very cruel, shocking, or extremely bad manner
Example
The service at the restaurant was atrociously slow.
El servicio del restaurante fue atrozmente lento.
C1 noun /ˈmɑːrtər/

Martyr

mártir
Meaning
A person who is killed because of their religious or political beliefs
Example
He became a martyr for the cause of freedom and democracy.
Se convirtió en un mártir por la causa de la libertad y la democracia.
A1 noun /hæt/

Hat

sombrero
Meaning
a covering for the head, typically with a brim and worn outdoors
Example
He always wears a hat when working in the garden.
Él siempre usa un sombrero cuando trabaja en el jardín.
C1 noun /nɑːrˈkɒtɪk/

narcotic

narcótico
Meaning
A drug that dulls the senses and relieves pain, often causing sleep and sometimes addiction.
Example
The police seized a large amount of narcotic substances.
La policía incautó una gran cantidad de sustancias narcóticas.
B2 noun /ˌrɛɡ.jʊˈleɪ.ʃən/

regulation

una norma o directriz hecha y mantenida por una autoridad
Meaning
A rule or directive made and maintained by an authority.
Example
Government regulation ensures fair business practices.
La regulación gubernamental asegura prácticas comerciales justas.
C2 noun /ˈænʒənuː/

ingenue

jovencita inocente
Meaning
an innocent, naïve young woman, especially as represented in literature or theater
Example
She played the role of the ingénue in the play with great charm.
Ella interpretó el papel de la jovencita inocente en la obra con gran encanto.
B2 noun dɪˈplɔɪmənt

deployment

despliegue
Meaning
The action of bringing resources into effective action.
Example
The deployment of the new software was completed successfully.
El despliegue del nuevo software se completó con éxito.
C2 verb /foʊˈmɛnt/

foment

fomentar
Meaning
To instigate or stir up (an undesirable or violent sentiment or course of action).
Example
The rebel leader tried to foment unrest among the people.
El líder rebelde trató de fomentar el descontento entre la gente.
C1 noun /oʊˈveɪʃən/

ovation

ovación
Meaning
an enthusiastic show of approval, especially by clapping hands
Example
The actor received a standing ovation after his performance.
El actor recibió una ovación de pie después de su actuación.
C2 noun /fɪˈlɒl.ə.dʒi/

philology

el estudio de la lengua en fuentes históricas escritas; lingüística
Meaning
the study of language in written historical sources; linguistics
Example
She devoted her career to philology, researching ancient manuscripts.
Ella dedicó su carrera a la filología, investigando manuscritos antiguos.
B2 adjective /ʌnprəˈfɛʃ.ən.əl/

Unprofessional

no profesional
Meaning
not conforming to the standards expected in a particular profession
Example
His unprofessional behavior led to his dismissal from the company.
Su comportamiento no profesional llevó a su despido de la empresa.
B2 noun /dɪˈnɒmɪˌneɪtər/

denominator

denominador
Meaning
the number below the line in a fraction; a common factor in a situation
Example
In the fraction 3/4, the number 4 is the denominator.
En la fracción 3/4, el número 4 es el denominador.
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.
B2 noun /ɪkˈspəʊʒər/

exposure

exposición
Meaning
the state of being exposed to contact with something, especially harmful
Example
Prolonged exposure to the sun can damage your skin.
La exposición prolongada al sol puede dañar tu piel.
B2 verb /stɪŋ/

sting

picar
Meaning
to pierce with a sharp point; to cause sharp pain
Example
The bee stung him on his arm while he was gardening.
La abeja lo picó en el brazo mientras él estaba jardineando.
C2 verb /ˈfjuːmɪˌɡeɪt/

fumigate

fumigar
Meaning
to disinfect or purify an area by using chemical fumes
Example
They fumigated the warehouse to kill the insects.
Ellos fumigaron el almacén para matar los insectos.
B2 noun /ɔːˈtɒn.ə.məs ˈviː.ɪ.kəlz/

autonomous vehicles

vehículos autónomos
Meaning
Vehicles that can operate and move without human intervention or control.
Example
Autonomous vehicles are revolutionizing the future of transport.
Los vehículos autónomos están revolucionando el futuro del transporte.
B1 noun /piːtʃ/

Peach

durazno
Meaning
a soft round fruit with fuzzy skin, sweet flesh, and a large pit in the center
Example
The peach was perfectly ripe and juicy when I bit into it.
El durazno estaba perfectamente maduro y jugoso cuando lo mordí.
B2 noun /sɪv/

Seive

colador
Meaning
a utensil consisting of a wire or plastic mesh held in a frame, used for straining solids from liquids
Example
She used a sieve to separate the flour from lumps.
Ella usó un colador para separar la harina de los grumos.
B1 noun ˈkɒn.sɪ.kwəns

consequence

consecuencia
Meaning
A result or effect of an action or condition.
Example
Every action has a consequence.
Toda acción tiene una consecuencia.
B2 noun /ˈaʊtˌsɛt/

outset

comienzo
Meaning
the beginning or start of something
Example
From the outset, the project seemed ambitious but achievable.
Desde el comienzo, el proyecto parecía ambicioso pero alcanzable.
C2 verb /ˈɡæmbəl/

gambol

saltar alegremente
Meaning
to run or jump about playfully
Example
The lambs gamboled in the field under the sun.
Los corderos saltaron alegremente en el campo bajo el sol.
B1 adverb /ˌɔːtəˈmætɪkli/

automatically

automáticamente
Meaning
without human control or intervention; done by itself
Example
The door closes automatically after you enter.
La puerta se cierra automáticamente después de que entras.
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.
B2 noun /kəˈlɪʒ.ən/

Collision

colisión; choque
Meaning
an instance of one moving object hitting violently against another; a conflict of opposing ideas or interests
Example
The collision between two cars caused a major traffic jam.
La colisión entre dos coches causó un gran atasco de tráfico.
C1 verb /mɑːr/

mar

estropear
Meaning
to spoil or damage the appearance or quality of something
Example
The scratch will mar the beauty of the painting.
El rasguño estropeará la belleza del cuadro.
A2 noun /ˈʌndərweər/

underwear

ropa interior
Meaning
Clothing worn beneath outer clothes, typically next to the skin.
Example
He bought new underwear for the trip.
Compró ropa interior nueva para el viaje.
C2 adjective /woʊnt/ or /wɔːnt/

wont

acostumbrado
Meaning
accustomed or used to doing something
Example
She rose early, as she was wont to do.
Ella se levantó temprano, como solía hacer.
C1 adjective ˈek.wɪ.tə.bəl

equitable

equitativo
Meaning
Fair and impartial
Example
Equitable AI ensures fairness in technology use.
La IA equitativa asegura la justicia en el uso de la tecnología.
B1 noun /dɜːrt/

Dirt

suciedad; tierra; materia impura
Meaning
a substance that makes something unclean; earth or soil; unclean matter
Example
After playing in the garden, the children were covered in dirt from head to toe.
Después de jugar en el jardín, los niños estaban cubiertos de suciedad de pies a cabeza.
C1 verb /ˈɡrændstænd/

grandstand

buscar atención o aplausos comportándose de manera ostentosa
Meaning
To seek attention or applause by behaving or speaking in a showy way.
Example
The actor was accused of grandstanding during the charity event.
El actor fue acusado de hacer granstand durante el evento benéfico.
C2 adjective /ˈpɛstɪlənt/

pestilent

pestilente
Meaning
Causing or tending to cause death or destruction; harmful or pernicious.
Example
The pestilent atmosphere of the swamp made people sick.
La atmósfera pestilente del pantano hizo que la gente se enfermara.
C2 noun /ˈhɛfər/

heifer

vaquilla
Meaning
a young cow that has not borne a calf
Example
The farmer raised a heifer for dairy production.
El granjero crió una vaquilla para la producción de lácteos.
C1 adjective /ˈseɪlaɪn/

Saline

salino; relacionado con agua salada
Meaning
containing salt; salty; relating to salt water
Example
The saline solution is used for medical treatments.
La solución salina se usa para tratamientos médicos.
B2 noun /spaʊs/

spouse

cónyuge
Meaning
a person's husband or wife
Example
Each employee may include their spouse in the health insurance plan.
Cada empleado puede incluir a su cónyuge en el plan de seguro de salud.
C1 noun /luː/

lieu

en lugar de
Meaning
Instead of; in place of.
Example
He gave money in lieu of flowers.
Él dio dinero en lugar de flores.
C1 verb, noun /ˌdɪsɪˈluːʒən/

disillusion

desilusión
Meaning
to cause someone to realize that something is not as good as they believed
Example
The scandal disillusioned many voters.
El escándalo desilusionó a muchos votantes.
B2 noun /plʌɡ/

plug

enchufe
Meaning
a device used to connect or block an opening
Example
She inserted the plug into the socket.
Ella insertó el enchufe en el enchufe.
B2 adjective /ˈʃeɪm.fəl/

Shameful

vergonzoso; deshonroso; embarazoso
Meaning
causing shame; disgraceful; embarrassing
Example
His shameful behavior embarrassed the entire family.
Su comportamiento vergonzoso avergonzó a toda la familia.
C1 noun kəˈmɑːnd ɪˈkɒn.ə.mi

command economy

economía planificada
Meaning
An economic system where economic activities are controlled by the government.
Example
In a command economy, the government controls production and prices.
En una economía planificada, el gobierno controla la producción y los precios.
C2 noun /əˈdɛndəm/

addendum

adenda
Meaning
an additional item or piece of information added at the end of a document or book
Example
The report included an addendum with updated statistics.
El informe incluía un adenda con estadísticas actualizadas.
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.
C1 noun proʊˈæktɪv ˈseɪvɪŋ

proactive saving

ahorro proactivo
Meaning
Actively planning and setting aside money in advance to prepare for future financial needs
Example
Proactive saving ensures financial stability in old age.
El ahorro proactivo asegura la estabilidad financiera en la vejez.
C1 noun səˌsɛp.təˈbɪl.ə.ti

susceptibility

susceptibilidad
Meaning
The quality of being likely to be influenced or harmed by a particular thing; vulnerability.
Example
High susceptibility to infections requires extra care.
Alta susceptibilidad a infecciones requiere atención adicional.
C1 noun /ˈmɛrɪɡoʊld/

Marigold

caléndula
Meaning
a bright orange or yellow flower of the daisy family, often used in gardens and ceremonies
Example
The vibrant marigold flowers added a splash of color to the festival decorations.
Las vibrantes flores de caléndula añadieron un toque de color a las decoraciones del festival.
C1 noun prɪˈsɪʒ.ən ˈæɡ.rɪ.kʌl.tʃər

precision agriculture

agricultura de precisión
Meaning
The technique of conducting agricultural work using advanced technology.
Example
Precision agriculture optimizes resource use and increases efficiency.
La agricultura de precisión optimiza el uso de los recursos y aumenta la eficiencia.
A1 noun /mɑːrtʃ/

March

marcha
Meaning
An act of walking in a regular measured tread; a protest demonstration
Example
The soldiers performed a ceremonial march in front of the palace.
Los soldados realizaron una marcha ceremonial frente al palacio.
B2 verb /ˌkɒn.trəˈdɪkt/

contradict

contradecir
Meaning
to say or show the opposite of something that has been said or believed
Example
His actions contradict his words.
Sus acciones contradicen sus palabras.
C1 adjective /ˈrɪvɪtɪŋ/

riveting

fascinante
Meaning
extremely interesting; holding the complete attention
Example
The movie was so riveting that nobody looked away.
La película era tan fascinante que nadie apartó la vista.
C2 noun /ˈzaɪtɡaɪst/

zeitgeist

espíritu de la época
Meaning
The defining spirit or mood of a particular period of history as shown by the ideas and beliefs of the time.
Example
The novel perfectly captures the zeitgeist of the 1960s.
La novela captura perfectamente el espíritu de la época de los años 60.
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 adjective /ɒˈstɛnsəbl/

ostensible

aparente
Meaning
stated or appearing to be true, but not necessarily so
Example
His ostensible reason for leaving was illness, but many doubted it.
Su aparente razón para irse era la enfermedad, pero muchos lo dudaron.
B2 noun /ˈæktɪvɪst/

activist

activista
Meaning
A person who works to bring about social or political change.
Example
The activist organized a protest against pollution.
El activista organizó una protesta contra la contaminación.
B2 verb /ˈsɜːrkjəˌleɪt/

circulate

circular, mover
Meaning
to move continuously or freely through a closed system or area
Example
Air circulated freely in the open hall.
El aire circulaba libremente en el pasillo abierto.
A1 noun ˈstjuː.dənt

student

estudiante
Meaning
A person who is studying at a school or university.
Example
Students participated actively in the protests.
Los estudiantes participaron activamente en las protestas.
B2 noun /ˈfrɪkʃən/

friction

fricción
Meaning
the resistance that one surface or object encounters when moving over another; conflict or tension between people or groups
Example
There was friction between the two departments over resource allocation.
Hubo fricción entre los dos departamentos sobre la asignación de recursos.
C1 noun /ˈper.ɪ.wɪŋ.kəl/

Periwinkle

periwinkle
Meaning
a small trailing plant with violet-blue or white flowers
Example
Purple periwinkles covered the garden ground beautifully.
Las periwinkles moradas cubrían hermosamente el suelo del jardín.
C2 noun /kəˈpærɪsən/

caparison

cubierta ornamental para un caballo; ropa o decoración rica y elaborada
Meaning
an ornamental covering for a horse; rich and elaborate clothing or decoration
Example
The king’s horse was adorned with a golden caparison.
El caballo del rey estaba adornado con un caparison de oro.
B1 verb /ˈrɛdʒɪstər/

register

registrar
Meaning
To enter or record officially on a list or in a book.
Example
You must register for the conference before the deadline.
Debes registrarte para la conferencia antes de la fecha límite.
C1 noun /rɪˌsɛptɪˈvɪti/

receptivity

receptividad
Meaning
The ability or willingness to receive something, especially signals or stimuli.
Example
Her receptivity to new ideas helped improve the project.
Su receptividad a nuevas ideas ayudó a mejorar el proyecto.
C2 noun /ˌpɒlɪˈhiːdrən/

polyhedron

sólido de caras poligonales planas
Meaning
a solid object with flat polygonal faces, straight edges, and vertices
Example
The mathematician studied a complex polyhedron model.
El matemático estudió un modelo complejo de poliedro.
A1 adjective ˈdɪfɪkəlt

difficult

difícil
Meaning
Needing much effort or skill to accomplish, deal with, or understand; hard.
Example
Managing urban challenges has become increasingly difficult.
Gestionar los desafíos urbanos se ha vuelto cada vez más difícil.
C1 adjective /ɪˈmækjələt/

immaculate

inmaculado
Meaning
perfectly clean, neat, or free from flaws
Example
Her room was immaculate, with everything in its place.
Su habitación estaba inmaculada, con todo en su lugar.
C2 noun /sɪˈkwiːlə/

sequela

secuela
Meaning
A condition that is the consequence of a previous disease or injury.
Example
Lung scarring can be a sequela of severe pneumonia.
Las cicatrices en los pulmones pueden ser una secuela de una neumonía grave.
C2 adjective /ɡrʌf/

gruff

rudo
Meaning
Rough or stern in manner, speech, or voice.
Example
Despite his gruff manner, he was very kind-hearted.
A pesar de su comportamiento rudo, era muy amable.
B1 adjective /təˈrɪfɪk/

terrific

fantástico
Meaning
extremely good or excellent; very great or intense
Example
The concert last night was absolutely terrific.
El concierto de anoche fue absolutamente fantástico.
B2 adjective /ˌhaɪ ˈtɛk/

high-tech

alta tecnología
Meaning
using or involving advanced technology.
Example
The company produces high-tech medical devices.
La empresa produce dispositivos médicos de alta tecnología.
C2 adjective /flɛgˈmæt.ɪk/

phlegmatic

flemático
Meaning
having an unemotional and stolidly calm disposition
Example
Despite the chaos, he remained phlegmatic and composed.
A pesar del caos, se mantuvo flemático y compuesto.
C1 noun /pɪˈtaɪə/

Pitaya / Dragon fruit

fruta del dragón
Meaning
a tropical fruit with bright pink or red skin and white flesh speckled with black seeds
Example
The pitaya has a mild, sweet flavor and a unique appearance.
La pitaya tiene un sabor suave y dulce y una apariencia única.
B1 adjective /ˈvæljʊəbl/

Valuable

valioso; importante
Meaning
worth a great deal of money; extremely useful or important
Example
The painting is very valuable and worth millions.
La pintura es muy valiosa y vale millones.
C2 adjective /pruːˈdɛnʃəl/

prudential

prudencial
Meaning
involving or showing prudence, especially in financial or business matters
Example
The bank has set prudential rules to protect depositors.
El banco ha establecido reglas prudenciales para proteger a los depositantes.
C2 adjective /ˈdaʊti/

doughty

valiente
Meaning
brave, valiant, courageous
Example
The doughty soldier never backed down from a challenge.
El valiente soldado nunca se echó atrás ante un desafío.
C1 adjective /dɪˈraɪsɪv/

derisive

despectivo
Meaning
Expressing contempt or ridicule.
Example
She gave a derisive laugh at his attempt to sing.
Ella dio una risa despectiva ante su intento de cantar.
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.
A2 adverb /ˈlaʊdli/

loudly

en voz alta
Meaning
in a way that produces a lot of sound; with a high volume
Example
He spoke loudly so everyone in the room could hear him.
Habló en voz alta para que todos pudieran oírlo.
C1 verb /sʌlk/

sulk

estar enojado
Meaning
to be silent and bad-tempered because you are angry or disappointed
Example
She sulked in her room after the argument.
Ella se enojó en su habitación después de la discusión.
C2 noun /rɪˈpruːf/

reproof

reprobación, censura
Meaning
An expression of blame or disapproval.
Example
His careless words drew a sharp reproof from his mother.
Sus palabras descuidadas provocaron una fuerte reprobación de su madre.
C2 verb /bɪˈleɪbər/

belabor

exponer en exceso
Meaning
to argue or elaborate on a subject in excessive detail; to attack verbally or physically
Example
The professor belabored the point until the students grew restless.
El profesor expuso tanto el punto hasta que los estudiantes se inquietaron.
C2 verb /məˈlɪŋɡər/

malinger

simular enfermedad
Meaning
to exaggerate or fake illness in order to escape duty or work
Example
He tried to malinger to avoid going to school.
Él intentó malinger para evitar ir a la escuela.