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C1 adjective /ˈsɒnɪk/

sonic

sonico
Meaning
Relating to or involving sound waves or speed of sound.
Example
The jet created a loud boom when it broke the sonic barrier.
El jet creó un fuerte estruendo cuando rompió la barrera sónica.
C1 noun /moʊˈzeɪɪk/

mosaic

mosaico
Meaning
A picture or pattern produced by arranging together small pieces of stone, tile, or glass.
Example
The church ceiling was decorated with a beautiful mosaic.
El techo de la iglesia estaba decorado con un hermoso mosaico.
C1 adjective /rɪˈtæl.i.ə.tɔːr.i/

retaliatory

represaliatorio
Meaning
Taking action in response to another's action, characterized as punitive, revengeful, or counteractive.
Example
The country imposed retaliatory tariffs in response to trade sanctions.
El país impuso aranceles represaliatorios en respuesta a las sanciones comerciales.
C1 noun /ˌres.ɪˈteɪ.ʃən/

Recitation

recitación
Meaning
the action of reciting or repeating aloud from memory
Example
The poetry recitation contest was held in the auditorium.
El concurso de recitación de poesía se llevó a cabo en el auditorio.
C1 adjective /ˈtɪklɪʃ/

ticklish

cosquilloso, sensible
Meaning
easily made to laugh by being touched lightly; easily upset or sensitive
Example
She is very ticklish and bursts into laughter when touched on her feet.
Ella es muy cosquillosa y se echa a reír cuando la tocan en los pies.
C1 noun /təˈlɛfəni/

telephony

telefonía
Meaning
the technology and systems for transmitting voice over distances by telephone
Example
Modern telephony has evolved to include internet-based calls.
La telefonía moderna ha evolucionado para incluir llamadas basadas en Internet.
C1 noun /ˈrɛz.ə.nəns/

resonance

resonancia
Meaning
A deep, reverberating sound or a quality of evoking response.
Example
His speech had a deep resonance with the audience.
Su discurso tuvo una profunda resonancia con la audiencia.
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.
C1 adjective /pəˈrɪfərəl/

peripheral

periférico
Meaning
Relating to or situated on the edge or outer parts of something.
Example
The town is located on the peripheral area of the city.
La ciudad está situada en el área periférica de la ciudad.
C1 verb /bɪˈsɛt/

beset

asediar, acosar
Meaning
to trouble, harass, or attack on all sides
Example
The village was beset by constant floods.
La aldea estaba asediada por inundaciones constantes.
C1 adjective /ɪnˈθrɔː.lɪŋ/

enthralling

fascinante
Meaning
Captivating and holding one's attention completely; fascinating.
Example
The movie was enthralling, keeping the audience engaged till the end.
La película fue fascinante, manteniendo al público cautivado hasta el final.
C1 noun /ˈmɪʃ.ən.ɛr.i/

Missionary

misionero
Meaning
A person sent on a religious mission to promote their faith in a foreign country
Example
The missionary spent years teaching and helping people in remote villages.
El misionero pasó años enseñando y ayudando a la gente en aldeas remotas.
C1 verb /riˈɪtəreɪt/

reiterate

reiterar
Meaning
To say something again or repeatedly for emphasis or clarity.
Example
The teacher reiterated the importance of honesty.
El maestro reiteró la importancia de la honestidad.
C1 noun /krʊk/

crook

delincuente
Meaning
a dishonest person, especially a criminal
Example
The police finally caught the crook who had been stealing cars.
La policía finalmente atrapó al delincuente que había estado robando autos.
C1 adjective /ˈdʒiː.ni.əl/

genial

amable
Meaning
friendly, cheerful, and pleasant
Example
She greeted us with a genial smile.
Ella nos saludó con una sonrisa amable.
C1 noun moʊst ˈvʌlnərəbəl ˈneɪʃən

most vulnerable nation

nación más vulnerable
Meaning
A country that is highly exposed to risks and lacks adequate protection or resilience.
Example
Bangladesh is one of the most vulnerable nations to climate change.
Bangladesh es uno de los países más vulnerables al cambio climático.
C1 noun /ˈsɜːrtʃɑːrdʒ/

surcharge

recargo adicional
Meaning
an additional charge or payment added to the usual cost
Example
The airline ticket had a fuel surcharge added to it.
El boleto de avión tenía un recargo por combustible agregado.
C1 adjective /ˈskrɔːni/

scrawny

flaco
Meaning
very thin and bony, often looking unhealthy
Example
The scrawny boy could barely lift the heavy bag.
El chico flaco apenas podía levantar la bolsa pesada.
C1 verb ɪmˈbjuː

Imbue

Mezclar una idea o sentimiento profundamente en la mente de alguien
Meaning
Mixing some idea or feeling deeply into someone's mind
Example
The teacher tried to imbue students with a love for learning.
El profesor intentó inculcar a los estudiantes un amor por el aprendizaje.
C1 adjective /ˌeɪsɪˈmɛtrɪkəl/

asymmetrical

asimétrico
Meaning
Having parts that are not the same in size, shape, or arrangement.
Example
She wore an asymmetrical dress that drew everyone’s attention.
Ella llevaba un vestido asimétrico que atraía la atención de todos.
C1 noun /ˌkʌl də ˈsæk/

cul de sac

calle sin salida
Meaning
A street or passage closed at one end; a dead end.
Example
They bought a house at the end of a quiet cul de sac.
Compraron una casa al final de una tranquila calle sin salida.
C1 adjective /ɪˈspeʃəl/

especial

especial
Meaning
Particularly remarkable or significant; distinguished from others
Example
This is an especial opportunity you should not miss.
Esta es una oportunidad especial que no debes perder.
C1 noun /ˌsæbəˈtɜːr/

saboteur

saboteador
Meaning
A person who engages in sabotage.
Example
The saboteur was arrested before he could plant the bomb.
El saboteador fue arrestado antes de poder plantar la bomba.
C1 verb /tɔːnt/

taunt

provocar
Meaning
to provoke or challenge someone with insulting remarks
Example
The bully tried to taunt him with cruel words.
El matón intentó provocarlo con palabras crueles.
C1 noun ˈlaɪv.li.hʊd

livelihood

sustento
Meaning
A means of securing the necessities of life; a way of making a living.
Example
Fishing is the primary livelihood of coastal communities.
La pesca es el sustento principal de las comunidades costeras.
C1 noun /ˈɒstrəsɪzəm/

ostracism

ostracismo
Meaning
The act of excluding someone from a group or society.
Example
The student faced ostracism after breaking the rules.
El estudiante enfrentó el ostracismo después de romper las reglas.
C1 adjective /ˌpæn.əˈmer.ɪ.kən/

Pan-American

Panamericano
Meaning
relating to all the countries of North, Central, and South America
Example
The Pan-American Games bring together athletes from across the continent.
Los Juegos Panamericanos reúnen a atletas de todo el continente.
C1 noun /kənˈspɪrə.tər/

conspirator

conspirador
Meaning
a person who secretly plans with others to do something unlawful or harmful
Example
The conspirator was arrested before the plan could be carried out.
El conspirador fue arrestado antes de que el plan pudiera llevarse a cabo.
C1 noun /ˈfɔːrsəm/

foursome

cuatro personas o cosas
Meaning
a group of four people or things, especially in games or social activities
Example
The foursome enjoyed a game of golf together.
El cuarteto disfrutó de un juego de golf juntos.
C1 noun ˈpɛd.ə.ɡɒ.dʒi

pedagogy

pedagogía
Meaning
The method and practice of teaching, especially as an academic subject or theoretical concept.
Example
Modern pedagogy focuses on student-centered learning.
La pedagogía moderna se centra en el aprendizaje centrado en el estudiante.
C1 noun /ˌsɑːrdʒənt ˈmeɪdʒər/

sergeant-major

sargento-mayor
Meaning
A senior non-commissioned officer in the army responsible for discipline and administration within a unit.
Example
The sergeant-major inspected the troops before the parade.
El sargento-mayor inspeccionó a las tropas antes del desfile.
C1 verb /dɪˈpoʊz/

depose

deponer
Meaning
to remove someone from office or power, especially suddenly and forcefully
Example
The rebels managed to depose the dictator after years of unrest.
Los rebeldes lograron derrocar al dictador después de años de agitación.
C1 noun /ˈʌndərˌstʌdi/

understudy

doble de reparto
Meaning
An actor who learns another's role to act as a replacement if needed.
Example
The understudy performed when the lead actor fell ill.
El doble de reparto actuó cuando el actor principal se enfermó.
C1 noun /ˌpiːdiˈætrɪks/

pediatrics

pediatría
Meaning
the branch of medicine dealing with the health and medical care of children
Example
She decided to specialize in pediatrics after medical school.
Decidió especializarse en pediatría después de la escuela de medicina.
C1 noun /ˈnoʊ.və/

Nova

nova
Meaning
a star that suddenly increases greatly in brightness
Example
Astronomers discovered a new nova in the constellation.
Los astrónomos descubrieron una nueva nova en la constelación.
C1 adjective /ˈsaɪz.mɪk/

seismic

sísmico
Meaning
Relating to earthquakes or vibrations of the earth and its crust.
Example
The region is known for its seismic activity.
La región es conocida por su actividad sísmica.
C1 noun /ˈpɒp.i siːdz/

Poppy Seeds

semillas de amapola
Meaning
tiny round seeds from the poppy plant used as a spice or garnish in cooking
Example
Poppy seeds are sprinkled on top of breads and used in Bengali curries.
Las semillas de amapola se espolvorean sobre el pan y se usan en curris bengalíes.
C1 noun /ˈblæs.fə.mi/

blasphemy

blasfemia
Meaning
the act of speaking disrespectfully about God or sacred things
Example
In some countries, blasphemy is a punishable offense.
En algunos países, la blasfemia es un delito castigable.
C1 adjective /ˌrɛprɪˈhɛnsəbl̩/

reprehensible

reprensible
Meaning
Deserving strong criticism or blame.
Example
His dishonest actions were truly reprehensible.
Sus acciones deshonestas fueron realmente reprensibles.
C1 verb /pəˈruːz/

peruse

felicidad
Meaning
to read something carefully and thoroughly; sometimes used to mean to browse casually
Example
She sat down to peruse the contract before signing it.
Ella no podía ocultar su felicidad cuando recibió el premio.
C1 verb /dʌb/

dub

doblar
Meaning
to give a name or label to something; to add a soundtrack to a film or recording
Example
The movie was dubbed into several languages for international release.
La película fue doblada a varios idiomas para su lanzamiento internacional.
C1 noun /prəˈpraɪəti/

propriety

decoro
Meaning
Conformity to accepted standards of behavior or morality.
Example
He always behaved with the utmost propriety in public.
Siempre se comportaba con el máximo decoro en público.
C1 adjective /ləˈbɔːr.i.əs/

laborious

laborioso
Meaning
requiring considerable effort and time; difficult and hard-working
Example
Writing the long report was a laborious task.
Escribir el informe largo fue una tarea laboriosa.
C1 adjective /ˌɪndɪˈvɪzəbl/

indivisible

indivisible
Meaning
Not able to be divided or separated.
Example
The country's unity was indivisible despite differences.
La unidad del país era indivisible a pesar de las diferencias.
C1 adjective /ˈviːnəs/

venous

venoso
Meaning
relating to the veins that carry blood to the heart
Example
The doctor examined the patient’s venous circulation.
El médico examinó la circulación venosa del paciente.
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 adjective /ˈlɔː.ləs/

Lawless

sin ley; anárquico; desordenado; criminal
Meaning
without law; anarchic; unruly; criminal
Example
The frontier town was known for its lawless behavior and chaos.
La ciudad fronteriza era conocida por su comportamiento sin ley y el caos.
C1 noun /ˈʌp.tɜːn/

upturn

mejora
Meaning
An improvement or upward trend in a situation, especially in business or economy.
Example
The company experienced an upturn in sales last quarter.
La empresa experimentó una mejora en las ventas el último trimestre.
C1 verb /ˈɡɑːbəl/

gobble

tragar rápidamente
Meaning
to eat something quickly and greedily
Example
The children gobbled their food in minutes.
Los niños tragaron su comida en minutos.
C1 noun, verb /spreɪn/

sprain

esguince
Meaning
an injury to a joint in which the ligaments are stretched or torn
Example
She sprained her ankle while running in the park.
Ella se torció el tobillo mientras corría en el parque.
C1 noun /ˈlɪŋɡwɪst/

linguist

lingüista
Meaning
A person skilled in foreign languages or in the scientific study of language.
Example
She is a linguist who speaks six languages fluently.
Ella es una lingüista que habla seis idiomas con fluidez.
C1 noun /ʃæk/

Shack

choza
Meaning
a small, crudely built dwelling; a poorly constructed building
Example
The fisherman lived in a small shack near the beach.
El pescador vivía en una pequeña choza cerca de la playa.
C1 verb, noun /ˈbrɪsəl/

bristle

pelos rígidos; reaccionar con ira
Meaning
to react angrily or defensively; a short stiff hair or fiber
Example
The cat bristled when it saw the dog.
El gato se erizó cuando vio al perro.
C1 adjective /rɪˈɡrɛtfəl/

regretful

arrepentido
Meaning
feeling or showing sadness or disappointment about something that has happened or been done
Example
She gave him a regretful smile as she turned away.
Ella le dio una sonrisa arrepentida mientras se alejaba.
C1 noun/verb /hɛm/

hem

dobladillo de tela
Meaning
the edge of a piece of cloth that is folded and sewn; to fold and sew the edge of cloth
Example
She hemmed the dress to make it shorter.
Ella jemó el vestido para hacerlo más corto.
C1 noun,verb /pleɪt/

plait

trenza
Meaning
a braid of hair or straw; to braid
Example
She decided to plait her hair before the party.
Ella decidió trenzarse el cabello antes de la fiesta.
C1 adjective /ˌɪn.səbˈstæn.ʃəl/

insubstantial

insustancial
Meaning
Lacking strength, substance, or solidity.
Example
The evidence provided was insubstantial and unconvincing.
La evidencia proporcionada fue insustancial y poco convincente.
C1 verb, noun /ɡɔːrdʒ/

gorge

comer con avidez / valle estrecho entre montañas
Meaning
to eat greedily; a narrow valley between mountains or hills
Example
They gorged themselves on pizza after the hike.
Ellos se atiborraron de pizza después de la caminata.
C1 noun /ˈskaɪ.lɑːrk/

Sky-Lark

alondra
Meaning
a small brown bird known for singing while flying high in the sky
Example
The skylark sang beautifully as it soared above the meadow.
La alondra cantó hermosamente mientras se elevaba sobre el prado.
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 ˌɪn.toʊˈneɪ.ʃən

intonation

entonación
Meaning
The rise and fall of tone in speech and pronunciation.
Example
Proper intonation enhances the clarity of a speech.
Una buena entonación mejora la claridad de un discurso.
C1 adjective /ˈpɒlɪtɪk/

politic

astuto, prudente
Meaning
shrewd, prudent, or tactful in practical matters
Example
It was politic of him to remain silent during the argument.
Fue astuto de su parte permanecer en silencio durante la discusión.
C1 noun /sɔːd fɪʃ/

Sword fish

pez espada
Meaning
A large marine fish with an elongated bill resembling a sword
Example
The swordfish can swim at speeds up to 60 mph.
El pez espada puede nadar a velocidades de hasta 60 mph.
C1 noun /læns/

Lance

lanza
Meaning
a long weapon with a sharp metal point, used by soldiers on horseback
Example
The knight charged forward with his lance ready.
El caballero cargó hacia adelante con su lanza lista.
C1 noun /ˌdiː.viˈeɪ.ʃən/

Deviation

desviación; alejamiento de una ruta establecida
Meaning
the action of departing from an established course; a departure from usual standards
Example
Any deviation from the established procedure must be reported immediately.
Cualquier desviación del procedimiento establecido debe ser reportada de inmediato.
C1 noun /kwɜːrk/

Quirk

peculiaridad; manía
Meaning
a peculiar behavioral habit; an unexpected turn or twist
Example
Her quirk of always wearing mismatched socks made her unique.
Su peculiaridad de siempre usar calcetines desparejos la hacía única.
C1 noun /ˌædʒ.ɪˈteɪ.ʃən/

agitation

agitación
Meaning
a state of nervousness, excitement, or unrest; or action of stirring up public concern
Example
There was visible agitation among the crowd.
Hubo agitación visible entre la multitud.
C1 noun ˈprɛvələns

prevalence

prevalencia
Meaning
The fact or condition of being widespread; the extent to which something exists or occurs
Example
The prevalence of aging issues requires immediate attention.
La prevalencia de los problemas relacionados con el envejecimiento requiere atención inmediata.
C1 noun /ˈvaɪ.pər/

Viper

víbora
Meaning
a venomous snake with large hinged fangs that typically has a thick body and gives birth to live young
Example
The viper coiled up when it sensed danger.
La víbora se enrolló cuando sintió el peligro.
C1 noun ɪnˌten.sɪ.fɪˈkeɪ.ʃən

intensification

intensificación
Meaning
The process of becoming or making something more intense or extreme.
Example
The intensification of climate change requires urgent action.
La intensificación del cambio climático requiere una acción urgente.
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 verb /trʌdʒ/

trudge

caminar con esfuerzo
Meaning
To walk slowly and with heavy steps, typically because of exhaustion or harsh conditions.
Example
They had to trudge through the snow to reach the village.
Tuvieron que caminar con esfuerzo por la nieve para llegar al pueblo.
C1 noun, adjective /ˌæntiˈsɛptɪk/

antiseptic

antiséptico
Meaning
A substance that prevents the growth of disease-causing microorganisms; clean and free from germs.
Example
The nurse applied an antiseptic to the wound.
La enfermera aplicó un antiséptico a la herida.
C1 adjective /ˈspeɪʃəl/

spatial

espacial
Meaning
relating to space or the position, area, and size of things
Example
The scientist studied the spatial arrangement of stars.
El científico estudió la disposición espacial de las estrellas.
C1 verb /ɛmˈbɛzəl/

embezzle

malversar
Meaning
to steal or misuse money or property entrusted to one's care
Example
The accountant was arrested for embezzling company funds.
El contador fue arrestado por malversar los fondos de la empresa.
C1 verb /dɪˈdjuːs/

deduce

deducir
Meaning
to reach a conclusion by reasoning or inference
Example
From the evidence, the detective deduced that the suspect was lying.
A partir de la evidencia, el detective dedujo que el sospechoso estaba mintiendo.
C1 adjective /diːˈsɛntrəlaɪzd/

decentralized

descentralizado
Meaning
Controlled by several local offices or authorities rather than one single one.
Example
The decentralized system allowed for more control at local levels.
El sistema descentralizado permitió un mayor control a nivel local.
C1 adjective /ˈplaɪənt/

pliant

flexible, fácilmente influenciable o adaptable
Meaning
flexible; easily influenced or adaptable
Example
She has a pliant personality that adapts well to new situations.
Ella tiene una personalidad flexible que se adapta bien a nuevas situaciones.
C1 noun /pəˈnæʃ/

panache

elegancia distintiva
Meaning
Flamboyant confidence of style or manner; distinctive and stylish elegance.
Example
He delivered his speech with great panache.
Él dio su discurso con gran elegancia.
C1 noun /ˈflæn.əl/

Flannel

flanela
Meaning
a soft woven fabric, typically made of wool or cotton and slightly milled and raised
Example
He wore a warm flannel shirt in winter.
Él usó una camisa de flanela cálida en invierno.
C1 adjective rɪˈlɛntləs

relentless

implacable
Meaning
Oppressively constant; incessant; showing no abatement of severity, intensity, strength, or pace.
Example
The freedom fighters' relentless struggle led to victory.
La lucha implacable de los luchadores por la libertad condujo a la victoria.
C1 adjective /ˈɔː.də.bəl/

Audible

audible
Meaning
able to be heard; loud enough to hear
Example
The speaker's voice was barely audible from the back of the large hall.
La voz del orador apenas era audible desde el fondo del gran salón.
C1 noun /ˈɡrɪd.əl/

Griddle

plancha
Meaning
a flat heating surface for cooking food, typically made of metal
Example
She cooked pancakes on the hot griddle.
Ella cocinó panqueques en la plancha caliente.
C1 noun /ˈdrɛsˌmeɪkər/

dressmaker

modista
Meaning
A person who makes or alters women's clothing professionally.
Example
The dressmaker crafted a beautiful gown for the bride.
La modista confeccionó un hermoso vestido para la novia.
C1 adjective /smʌɡ/

smug

presumido
Meaning
having or showing an excessive pride in oneself or one's achievements
Example
He wore a smug smile after winning the debate.
Llevaba una sonrisa presuntuosa después de ganar el debate.
C1 noun /ˈrep.lɪ.kə/

Replica

réplica
Meaning
an exact copy or model of something, especially one on a smaller scale
Example
The museum displayed a perfect replica of the ancient statue.
El museo exhibió una réplica perfecta de la estatua antigua.
C1 noun /ˌekspəˈzɪʃən/

exposition

exposición
Meaning
a detailed explanation or a large public exhibition
Example
The scientist gave a clear exposition of the theory.
El científico dio una explicación clara de la teoría.
C1 noun /ˈdɪsənˌtɛri/

dysentery

enfermedad intestinal (diarrea con sangre y moco)
Meaning
An infection of the intestines resulting in severe diarrhea with blood and mucus.
Example
Many soldiers suffered from dysentery during the war.
Muchos soldados sufrieron de disentería durante la guerra.
C1 verb/noun /ˈrɛlɪʃ/

relish

disfrutar / condimento
Meaning
to greatly enjoy; also a condiment or sauce
Example
She relished the opportunity to travel abroad.
Ella disfrutó mucho de la oportunidad de viajar al extranjero.
C1 noun /dɪˈvɪnɪti/

divinity

divinidad
Meaning
The quality or state of being divine; a deity.
Example
The priest spoke about the divinity of the soul.
El sacerdote habló sobre la divinidad del alma.
C1 verb /ˈfɪdʒɪt/

fidget

moverse inquieto, estar inquieto
Meaning
to make small movements, especially because of nervousness or impatience
Example
The child began to fidget during the long lecture.
El niño empezó a moverse durante la larga conferencia.
C1 verb /sərˈpæs/

surpass

superar
Meaning
to exceed or go beyond
Example
Her performance surpassed all expectations.
Su rendimiento superó todas las expectativas.
C1 noun /bəˈbuːn/

Baboon

babuino
Meaning
a large African and Arabian primate with a dog-like snout and colorful buttocks
Example
The baboon troop gathered around the watering hole in the savanna.
El grupo de babuinos se reunió alrededor del agujero de agua en la sabana.
C1 adjective /ɪnˈstrʌktɪv/

instructive

instructivo
Meaning
useful and informative; providing knowledge or instruction
Example
The lecture was highly instructive and engaging.
La conferencia fue muy instructiva y atractiva.
C1 adjective /ˌʌnˈɪntɪmeɪtɪŋ/

unintimating

sin indicios
Meaning
Not giving a hint or suggestion; not indicating.
Example
His unintimating tone gave no clue of his true feelings.
Su tono sin indicios no dio ninguna pista sobre sus verdaderos sentimientos.
C1 noun /ˌkɒndʒʊˈɡeɪʃən/

conjugation

conjugación
Meaning
the variation of the form of a verb to indicate tense, person, and number
Example
French verbs have complex conjugations.
Los verbos franceses tienen conjugaciones complejas.
C1 noun /ˌmiːtiəˈrɒlədʒi/

meteorology

meteorología
Meaning
The scientific study of the atmosphere and weather.
Example
He chose to specialize in meteorology to study weather patterns.
Eligió especializarse en meteorología para estudiar los patrones climáticos.
C1 adjective /ˈpeɪnzˌteɪkɪŋ/

painstaking

con mucho cuidado
Meaning
Done with great care and thoroughness.
Example
The artist completed the project with painstaking detail.
El artista completó el proyecto con mucho cuidado.
C1 adjective /ˌʌnəkˈnɒlɪdʒd/

unacknowledged

no reconocido
Meaning
Not recognized, admitted, or accepted; ignored or unnoticed
Example
Her contributions to the project went unacknowledged.
Sus contribuciones al proyecto pasaron desapercibidas.
C1 noun /ˈfæs.ɪt/

facet

faceta, aspecto, parte
Meaning
One of the many aspects or features of something; a particular part or element of something.
Example
Every facet of the project was carefully analyzed.
Cada faceta del proyecto fue cuidadosamente analizada.
C1 noun /ʃeɪl/

shale

pizarra
Meaning
a fine-grained sedimentary rock that can be split into thin layers
Example
The region is rich in shale and natural gas deposits.
La región es rica en pizarra y depósitos de gas natural.
C1 adjective /ˌʌnəˈdɔːrnd/

unadorned

sencillo, sin adornos
Meaning
Plain and simple; not decorated.
Example
The room was unadorned, with only a table and a chair.
La habitación estaba sencilla, con solo una mesa y una silla.
C1 noun /bɪˈtreɪər/

Betrayer

traidor; delator
Meaning
a person who betrays someone or something; one who is disloyal
Example
The betrayer was exposed and faced severe consequences.
El traidor fue expuesto y enfrentó graves consecuencias.
C1 noun /ˈɛf.ɪ.kə.si/

efficacy

eficacia
Meaning
The ability to produce a desired or intended result; effectiveness.
Example
The efficacy of the vaccine has been proven in trials.
La eficacia de la vacuna se ha demostrado en los ensayos.
C1 noun səbˈsɪs.təns

subsistence

subsistencia
Meaning
The action or fact of maintaining or supporting oneself at a minimum level.
Example
Many farmers depend on subsistence agriculture.
Muchos agricultores dependen de la agricultura de subsistencia.
C1 adjective /sər'pæs.ɪŋ/

Surpassing

sobresaliente; superior; extraordinario
Meaning
exceeding; going beyond; outstanding
Example
Her surpassing beauty made everyone stop and stare.
Su belleza sobresaliente hizo que todos se detuvieran y la miraran.
C1 adjective /ˈbuːzi/

boozy

alcohólico
Meaning
containing or involving a lot of alcohol; slightly drunk from alcohol
Example
The party became boozy as the night went on.
La fiesta se volvió alcohólica a medida que avanzaba la noche.
C1 noun /ɪnˈfɜːrnoʊ/

inferno

incendio
Meaning
a large, intense fire that is dangerously out of control
Example
The building turned into an inferno within minutes.
El edificio se convirtió en un incendio en minutos.
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.
C1 adjective /ˈtʌf.tɪd/

Tufted

con mechones; cubierto de mechones
Meaning
having a tuft or tufts; furnished with a tuft or clump of threads, hairs, or other material
Example
The tufted sofa looked elegant in the living room.
El sofá con mechones se veía elegante en la sala de estar.
C1 noun səˈlɪnɪti ɪnˈtruːʒən

salinity intrusion

intrusión de salinidad
Meaning
The movement of salt water into freshwater areas, typically affecting coastal regions.
Example
Salinity intrusion affects coastal regions.
La intrusión de salinidad afecta las regiones costeras.
C1 adjective /pləˈtɒnɪk/

platonic

platónico
Meaning
relating to a close relationship that is not romantic or sexual
Example
They have a platonic friendship that has lasted for years.
Tienen una amistad platónica que ha durado años.
C1 noun /əˈsɛsər/

assessor

evaluador
Meaning
a person who evaluates or estimates the nature, ability, or quality of something
Example
An external assessor reviewed the project report.
Un evaluador externo revisó el informe del proyecto.
C1 adjective /ˌfɪz.i.əˈlɒdʒ.ɪ.kəl/

physiological

relacionado con las funciones y actividades corporales
Meaning
Relating to bodily functions and activities.
Example
Exercise improves physiological functions of the body.
El ejercicio mejora las funciones fisiológicas del cuerpo.
C1 noun /ˈprɒvɪdəns/

providence

providencia divina
Meaning
the protective care of God or nature as a spiritual power; foresight or prudence
Example
They believed their survival was due to divine providence.
Creían que su supervivencia se debía a la providencia divina.
C1 verb /dʒɒt/

jot

escribir rápidamente y brevemente
Meaning
to write something quickly and briefly
Example
She jotted down his phone number on a napkin.
Ella anotó rápidamente su número de teléfono en una servilleta.
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.
C1 adjective ʌnˈjiːl.dɪŋ

unyielding

inquebrantable o firme
Meaning
Not easily broken or giving in to pressure.
Example
Her unyielding determination helped her overcome all challenges.
Su determinación inquebrantable la ayudó a superar todos los desafíos.
C1 noun /rʌk/

Ruck

empujón; multitud desordenada
Meaning
a situation where a crowd of people are pushing against each other; a disorderly crowd
Example
There was a ruck at the football match.
Hubo un empujón en el partido de fútbol.
C1 noun /əˈlʌmnəs/

alumnus

exalumno
Meaning
a former student or graduate of a school, college, or university
Example
He is an alumnus of Harvard University.
Él es un exalumno de la Universidad de Harvard.
C1 noun /ɪˌreɡjəˈlærɪti/

irregularity

irregularidad
Meaning
lack of regularity or consistency; a deviation from what is normal, expected, or orderly
Example
The audit revealed several financial irregularities in the company’s records.
La auditoría reveló varias irregularidades financieras en los registros de la empresa.