troth
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C2 noun /troʊθ/

troth

promesa, fidelidad
Meaning
Faith or loyalty when pledged in a solemn agreement or vow, especially in marriage.
Example
He pledged his troth to her before the gathering.
Él le prometió su troth antes de la reunión.
C2 noun /ˈkjʊriˌoʊ/

curio

objeto curioso
Meaning
a small unusual or interesting object, often collected for its rarity
Example
She bought a curio from the antique shop.
Ella compró un objeto curioso en la tienda de antigüedades.
C2 adjective /ˈflæb.i/

Flabby

blando y flojo; falta de firmeza o tono muscular; débil
Meaning
soft and loose; lacking firmness or muscle tone; weak
Example
His flabby arms showed he needed to exercise more.
Sus brazos flácidos mostraban que necesitaba hacer más ejercicio.
C2 noun /ˈhʌmbʌɡ/

humbug

engaño, tonterías
Meaning
Deceptive or false talk or behavior; nonsense.
Example
He dismissed the idea as humbug.
Desestimó la idea como tonterías.
C2 verb /dɪˈkæmp/

decamp

escapar
Meaning
To depart suddenly or secretly, often to avoid trouble or escape.
Example
The thief decamped before the police arrived.
El ladrón escapó antes de que llegara la policía.
C2 noun /ɪmˈpɒs.tʃər/

Imposture

engaño; fraude; impostura
Meaning
the practice of deceiving others by pretending to be someone else; fraudulent deception
Example
The elaborate imposture lasted for months before investigators uncovered the truth.
La elaborada impostura duró meses antes de que los investigadores descubrieran la verdad.
C2 verb /ɪnˈdʒɛst/

ingest

ingerir
Meaning
To take food, drink, or another substance into the body, usually by swallowing.
Example
The patient must ingest the medicine with water.
El paciente debe ingerir el medicamento con agua.
C2 adjective /ˈbreɪsɪŋ/

bracing

refrescante
Meaning
Invigorating, refreshing, or providing strength and energy.
Example
The hikers enjoyed the bracing mountain air.
Los excursionistas disfrutaron del aire refrescante de la montaña.
C2 noun /ˌsɜːrkəmləˈkjuːʃn/

circumlocution

circunloquio
Meaning
the use of many words when fewer would do, especially to avoid stating something directly
Example
The politician's speech was filled with circumlocution.
El discurso del político estaba lleno de circunloquios.
C2 noun /dɪˈkæmərən/

decameron

Decámeron (colección de cuentos de Boccaccio)
Meaning
A collection of 100 tales written by Giovanni Boccaccio in the 14th century, told by a group of people over ten days.
Example
The Decameron is considered a masterpiece of classical Italian literature.
El Decámeron se considera una obra maestra de la literatura italiana clásica.
C2 adjective /əˈskjuː/

askew

torcido
Meaning
Not in a straight or level position; crooked or tilted.
Example
The picture on the wall hung slightly askew.
El cuadro en la pared estaba colgado ligeramente torcido.
C2 adjective /ɪnˈseɪʃiət/

insatiate

insaciable
Meaning
impossible to satisfy; always wanting more
Example
He had an insatiate desire for power.
Él tenía un deseo insaciable de poder.
C2 noun /ˌɪmprɪˈmɑːtər/

imprimatur

imprimátur
Meaning
An official license or approval, especially to publish a book.
Example
The book was released with the official imprimatur of the church.
El libro fue lanzado con el imprimátur oficial de la iglesia.
C2 noun /ˈɡæd.flaɪ/

gadfly

persona molesta
Meaning
A person who annoys or criticizes others to stimulate change or provoke action.
Example
The journalist was a gadfly, constantly questioning the government's policies.
El periodista era una persona molesta, constantemente cuestionando las políticas del gobierno.
C2 adjective /ˈdjuːtiəbl/

dutiable

sujeto a aranceles
Meaning
subject to customs duty or tax
Example
Imported electronics are often dutiable at the border.
Los electrónicos importados a menudo son sujetos a aranceles en la frontera.
C2 noun /ˈrɒndoʊ/

rondo

composición musical (con tema recurrente)
Meaning
a musical composition with a recurring leading theme
Example
The pianist ended the recital with a lively rondo.
El pianista terminó el recital con un rondó animado.
C2 noun /beɪz/

baize

un tipo de tela gruesa de lana
Meaning
A type of coarse woolen cloth, often green, used for covering tables such as billiard tables.
Example
The old card table was covered with worn baize.
La vieja mesa de cartas estaba cubierta con baize desgastado.
C2 noun /ˈɪsməs/ or /ˈɪsθməs/

isthmus

istmo
Meaning
A narrow strip of land connecting two larger land areas, often with water on either side.
Example
The Panama Canal cuts through the Isthmus of Panama.
El Canal de Panamá corta a través del Istmo de Panamá.
C2 noun /ˈæsɪˌteɪt/

acetate

acetato
Meaning
a salt or ester of acetic acid; a synthetic material used in textiles and film
Example
The company produces acetate fibers for clothing.
La empresa produce fibras de acetato para ropa.
C2 adjective /ɛkˈstrɪnzɪk/

extrinsic

extrínseco
Meaning
Not part of the essential nature of someone or something; coming from outside.
Example
His motivation was largely extrinsic, driven by rewards and recognition.
Su motivación era en gran parte extrínseca, impulsada por recompensas y reconocimiento.
C2 verb /ˈdɛsɪkeɪt/

desiccate

deshidratar
Meaning
to dry up completely or remove the moisture from something
Example
The hot sun can quickly desiccate plants in the desert.
El sol caliente puede secar rápidamente las plantas en el desierto.
C2 adjective /ˈbrɪndl̩d/

brindled

atigrado
Meaning
Having a brownish or tawny color with streaks or spots of another color.
Example
The farmer owned a brindled cow with distinctive stripes.
El granjero tenía una vaca atigrada con rayas distintivas.
C2 verb /ˌdɪsɪnˈtɜːr/

disinter

desenterrar
Meaning
to dig up something buried, especially a body
Example
The archaeologists disinterred ancient remains from the site.
Los arqueólogos desenterraron restos antiguos del sitio.
C2 verb /skʌlk/

skulk

moverse sigilosamente
Meaning
to move or hide secretly, often because you are planning something bad or are feeling guilty
Example
He tried to skulk in the shadows to avoid being seen.
Intentó moverse sigilosamente entre las sombras para evitar ser visto.
C2 adjective /ˈræŋ.kər.əs/

rancorous

rencoroso
Meaning
Characterized by bitterness or resentment.
Example
Their rancorous debate lasted for hours.
Su rencoroso debate duró horas.
C2 noun (plural) /ˈɔːrdʒiːz/

orgies

orgías
Meaning
Wild gatherings involving excessive indulgence in food, drink, or sexual activity.
Example
The ancient Romans were infamous for their lavish feasts and orgies.
Los antiguos romanos eran infames por sus banquetes lujosos y orgías.
C2 noun /kɪθ/

kith

amigos
Meaning
Friends, acquaintances, and relations.
Example
He invited all his kith and kin to the wedding.
Invitó a todos sus amigos y familiares a la boda.
C2 verb /ˈmɒlɪfaɪ/

mollify

apaciguar
Meaning
To calm or soothe someone's anger or anxiety.
Example
The manager tried to mollify the angry customers with discounts.
El gerente trató de apaciguar a los clientes enojados con descuentos.
C2 noun /ˈkjuːbeb ˈpepər/

Cubeb Pepper

pimienta cubeba
Meaning
aromatic spice with a slightly bitter taste and cooling aftertaste
Example
Cubeb pepper is used in traditional Indonesian cuisine.
La pimienta cubeba se usa en la cocina tradicional indonesia.
C2 noun /ˈɔːrzmən/

Oarsman

remero
Meaning
a person who rows a boat, especially as a member of a racing crew
Example
The experienced oarsman rowed the boat across the river.
El experimentado remero remó el bote a través del río.
C2 verb /ˈrʌmpəl/

rumple

arrugar
Meaning
to make something untidy or wrinkled by creasing or crumpling
Example
She accidentally rumpled her dress while packing.
Ella accidentalmente arrugó su vestido mientras empacaba.
C2 verb /kənˈvoʊk/

convoke

convocar
Meaning
to call together or summon a meeting or assembly
Example
The committee convoked an emergency session to discuss the crisis.
El comité convocó una sesión de emergencia para discutir la crisis.
C2 verb ɪɡˈzɔːrt

exhort

exhortar
Meaning
To strongly encourage or urge someone to do something.
Example
The teacher exhorted students to work hard for exams.
El profesor exhortó a los estudiantes a trabajar duro para los exámenes.
C2 adjective /ˈtriːzənəbl/

treasonable

traicionero
Meaning
Relating to or involving the crime of treason.
Example
The general was accused of treasonable conduct.
El general fue acusado de conducta traicionera.
C2 noun /ˌfɔːrɔːrdɪˈneɪʃən/

foreordination

preordenación
Meaning
the act of determining something in advance; predestination
Example
The doctrine of foreordination suggests that events are fixed by divine will.
La doctrina de la preordenación sugiere que los eventos están fijados por la voluntad divina.
C2 adjective /ˌsæsərˈdoʊtl/

sacerdotal

sacerdotal
Meaning
Relating to priests or the priesthood.
Example
The ritual had a distinctly sacerdotal character.
El ritual tenía un carácter claramente sacerdotal.
C2 verb /frɪsk/

frisk

registrar
Meaning
To search a person by patting their clothing to check for concealed items.
Example
The security guard frisked the man at the entrance.
El guardia de seguridad registró al hombre en la entrada.
C2 adjective /ˌpluːˈpɜːrfɪkt/

pluperfect

pluscuamperfecto
Meaning
a verb tense expressing an action completed before another past action
Example
By the time she arrived, he had finished his homework, showing the pluperfect tense.
Para cuando ella llegó, él ya había terminado su tarea, mostrando el tiempo pluscuamperfecto.
C2 verb, noun /blæb/

blab

parlotear; irse de la lengua
Meaning
to talk too much or reveal secrets carelessly; excessive or foolish talk
Example
He accidentally blabbed the surprise to everyone.
Accidentalmente reveló la sorpresa a todos.
C2 noun /ˈliː.vɪŋz/

Leavings

restos; sobras
Meaning
things that have been left behind or remain; remnants or scraps
Example
The leavings from dinner were given to the dog.
Los restos de la cena fueron dados al perro.
C2 noun /ˈhæbɪtjuːd/

habitude

hábito, costumbre
Meaning
a customary condition or mode of life; habitual practice
Example
He lived in a quiet habitude, avoiding the noise of the city.
Vivía en un hábito tranquilo, evitando el ruido de la ciudad.
C2 adjective /ʌnˈblʌʃɪŋ/

Unblushing

descarado; sinvergüenza
Meaning
showing no shame or embarrassment; boldly shameless
Example
He told the unblushing lie without any hesitation.
Él dijo la mentira descarada sin dudar.
C2 noun /ˈpæn.θi.ɪ.zəm/

pantheism

panteísmo
Meaning
The belief that God and the universe are identical, or that everything is a manifestation of God.
Example
Spinoza’s philosophy is often associated with pantheism.
La filosofía de Spinoza a menudo se asocia con el panteísmo.
C2 noun /jɔːr/

yore

pasado
Meaning
Time long past; bygone days.
Example
Legends of yore still inspire people today.
Las leyendas del pasado siguen inspirando a la gente hoy en día.
C2 adjective /ˈvɜːrnəl/

vernal

primaveral
Meaning
related to spring; fresh, youthful
Example
The garden was filled with vernal beauty after the long winter.
El jardín estaba lleno de belleza primaveral después del largo invierno.
C2 noun /ˌɒktədʒəˈnɛəriən/

octogenarian

octogenario
Meaning
A person who is between 80 and 89 years old.
Example
The octogenarian still jogs every morning to stay healthy.
El octogenario aún corre todas las mañanas para mantenerse saludable.
C2 noun /hæp/

hap

suerte, fortuna, azar
Meaning
luck, fortune, or chance occurrence
Example
By sheer hap, he discovered the old letter hidden in the drawer.
Por pura suerte, descubrió la vieja carta escondida en el cajón.
C2 adjective /ˈdjuːtiəs/

duteous

obediente
Meaning
dutiful; obedient and respectful
Example
The duteous child always followed her parents’ instructions.
La niña obediente siempre seguía las instrucciones de sus padres.
C2 noun /ˈsɪŋ.krə.ni/

synchrony

sincronía
Meaning
Coordination in time, harmony in action or movement.
Example
Their dance performance showed perfect synchrony.
Su actuación de baile mostró una sincronía perfecta.
C2 verb /ɪˈstreɪndʒ/

estrange

alienar
Meaning
to cause someone to no longer be close or affectionate; to alienate
Example
His constant criticism began to estrange him from his friends.
Su constante crítica comenzó a alejarlo de sus amigos.
C2 noun /ˌkɒl.əˈneɪd/

colonnade

columnata
Meaning
A row of evenly spaced columns supporting a roof, often in classical architecture.
Example
The visitors admired the grand colonnade at the entrance of the temple.
Los visitantes admiraron la gran columnata en la entrada del templo.
C2 noun /fɪˈlændərər/

philanderer

mujeriego
Meaning
a man who habitually engages in casual romantic or sexual affairs
Example
The politician was exposed as a notorious philanderer.
El político fue expuesto como un notorio mujeriego.
C2 verb /ˈɛnərˌveɪt/

enervate

debilitar
Meaning
To weaken or drain someone of strength or vitality.
Example
The long hours of work enervated him.
Las largas horas de trabajo lo debilitaron.
C2 noun /kəˈlɒsəti/

callosity

piel engrosada
Meaning
A thickened or hardened area of skin; insensitivity or hardness of character.
Example
Years of manual labor left callosity on his hands.
Años de trabajo manual dejaron callosidad en sus manos.
C2 adjective /pʌŋkˈtɪliəs/

punctilious

puntilloso
Meaning
Showing great attention to detail or correct behavior.
Example
She was punctilious in her attention to etiquette.
Ella era puntillosa en su atención a la etiqueta.
C2 noun /ˌɡaɪnəˈkɒkrəsi/

gynecocracy

ginecocracia
Meaning
a society or government ruled by women
Example
The ancient tribe was known for its gynecocracy, where women held all positions of power.
La tribu antigua era conocida por su ginecocracia, donde las mujeres ocupaban todas las posiciones de poder.
C2 adjective /njuːˈmætɪk/

pneumatic

neumático
Meaning
operated by air or gas under pressure
Example
The factory uses pneumatic tools for assembly.
La fábrica usa herramientas neumáticas para el ensamblaje.
C2 noun /ɪmˌprɒb.əˈbɪl.ə.ti/

Improbability

improbabilidad
Meaning
the quality or state of being improbable; unlikely to be true or to happen
Example
The improbability of winning the lottery twice didn't stop her from buying tickets.
La improbabilidad de ganar la lotería dos veces no la detuvo de comprar boletos.
C2 adjective /ɪnˈkoʊətɪv/

inchoative

incipiente
Meaning
relating to the beginning of something; in an initial stage
Example
The poet used inchoative expressions to depict the dawn of creation.
El poeta utilizó expresiones incipientes para describir el amanecer de la creación.
C2 noun /rɪˈmɒnstrəns/

remonstrance

protesta
Meaning
A forceful protest or objection.
Example
The workers’ remonstrance against unfair treatment was ignored.
La protesta de los trabajadores contra el trato injusto fue ignorada.
C2 adjective /dʒɛnˈtiːl/

genteel

genteel
Meaning
Polite, refined, or respectable, often in an affected or exaggerated way
Example
She spoke in a genteel manner that impressed the guests.
Ella habló de una manera gentil que impresionó a los invitados.
C2 noun /ˈdæl.i.əns/

Dalliance

aventura; coqueteo; relación efímera
Meaning
a casual romantic or sexual relationship; a brief involvement or experiment
Example
His dalliance with photography lasted only a few months before he lost interest.
Su aventura con la fotografía duró solo unos meses antes de perder el interés.
C2 noun /ˈɪkθiəˌsɔːrz/

ichthyosaurs

ictiosaurios (un tipo de reptil marino extinto)
Meaning
Extinct marine reptiles that resembled fish and dolphins, dominant during the Mesozoic era.
Example
Ichthyosaurs were swift predators of the ancient seas.
Los ictiosaurios eran depredadores rápidos de los mares antiguos.
C2 noun /voʊˈsɪfərəns/

vociferance

gritar fuerte
Meaning
the act of shouting or making a loud outcry
Example
The vociferance of the protesters filled the streets.
La vociferancia de los manifestantes llenó las calles.
C2 adjective /bəˈθɛt.ɪk/

bathetic

sentimiento trivial
Meaning
displaying insincere or trivial emotion; producing an unintended ridiculous effect through sudden change from serious to silly
Example
The movie's ending was unintentionally bathetic rather than tragic.
El final de la película fue batético en lugar de trágico.
C2 adjective /ˌɪndaɪˈdʒestəbəl/

Indigestible

indigerible; difícil de digerir
Meaning
difficult or impossible to digest; hard to process in the stomach
Example
The old bread became hard and indigestible.
El pan viejo se volvió duro e indigesto.
C2 adjective /ˈbɪbjələs/

bibulous

bebedor
Meaning
Excessively fond of drinking alcohol.
Example
His bibulous habits worried his family.
Sus hábitos bebedores preocupaban a su familia.
C2 adjective /ˌdɛfəˈrɛnʃəl/

deferential

respetuoso
Meaning
Showing or expressing respect and high regard.
Example
He was always deferential toward his teachers.
Siempre fue respetuoso con sus maestros.
C2 adjective /ˈfiːtɪd/

foetid

hediondo
Meaning
having an offensive, unpleasant smell
Example
The foetid smell from the garbage made it hard to breathe.
El hedor del basurero hizo que fuera difícil respirar.
C2 adjective /ˈkʌmli/

comely

hermosa
Meaning
Attractive or pleasant in appearance.
Example
The actress was known for her comely features.
La actriz era conocida por sus hermosas características.
C2 adjective /ˌɛkjʊˈmɛnɪkəl/

ecumenical

unidad religiosa ecuménica
Meaning
Promoting unity among different Christian churches or religions.
Example
The leaders gathered for an ecumenical conference to encourage dialogue.
Los líderes se reunieron para una conferencia ecuménica para fomentar el diálogo.
C2 verb /ˌsɜːrkəmˈnævɪɡeɪt/

circumnavigate

circunnavegar
Meaning
to travel all the way around something, especially the earth
Example
Magellan was the first to circumnavigate the globe.
Magallanes fue el primero en circunnavegar el globo.
C2 verb /ˈhɑːrtən/

hearten

dar ánimo
Meaning
To give courage, confidence, or hope.
Example
The teacher’s encouragement heartened the students.
El aliento del maestro dio ánimo a los estudiantes.
C2 noun /hɜːrs/

Hearse

carro fúnebre;
Meaning
a vehicle for conveying the coffin at a funeral; a funeral car
Example
The black hearse slowly made its way to the cemetery, followed by a procession of mourners.
El carro fúnebre negro se dirigió lentamente al cementerio, seguido por una procesión de dolientes.
C2 noun /sɪlf/

sylph

sílfide
Meaning
A mythical spirit of the air; also refers to a slender, graceful woman.
Example
She moved across the stage like a sylph, light and graceful.
Ella se movió por el escenario como una sílfide, ligera y elegante.
C2 verb /flɪt/

flit

revolotear
Meaning
to move quickly and lightly from one place to another
Example
Butterflies flitted from flower to flower.
Las mariposas revoloteaban de flor en flor.
C2 noun ˌæɡ.roʊˈiː.koʊˌsɪs.təm

agroecosystem

agroecosistema
Meaning
An ecological system centered on agricultural activities and processes.
Example
A healthy agroecosystem improves soil fertility.
Un agroecosistema saludable mejora la fertilidad del suelo.
C2 noun /ˈhɔːtɪnəs/

haughtiness

arrogancia
Meaning
The appearance or quality of being arrogantly superior and disdainful.
Example
His haughtiness made him unpopular among his peers.
Su arrogancia lo hizo impopular entre sus compañeros.
C2 noun /kəmˈpleɪsəns/

complaisance

complacencia
Meaning
willingness to please others; courteous compliance
Example
Her complaisance made her popular among her colleagues.
Su complacencia la hizo popular entre sus compañeros de trabajo.
C2 adjective /ˈʃɪft.ləs/

shiftless

perezoso
Meaning
Lacking ambition or the ability to accomplish anything; lazy and unmotivated.
Example
He was seen as a shiftless young man with no goals.
Se le vio como un joven perezoso sin metas.
C2 noun /prɪˈsɛntɪmənt/

presentiment

presentimiento
Meaning
An intuitive feeling about the future, especially of something bad about to happen.
Example
He had a strong presentiment that the plan would fail.
Tenía un fuerte presentimiento de que el plan fracasaría.
C2 noun /ˈsælvər/

salver

bandeja de plata
Meaning
A tray, typically made of silver, used for serving food or drinks.
Example
The butler brought in the tea on a silver salver.
El mayordomo trajo el té en una bandeja de plata.
C2 adjective /ˈtɛnɪbrəs/

tenebrous

tenebroso
Meaning
dark, shadowy, or obscure
Example
The cave was damp and tenebrous, filled with eerie sounds.
La cueva estaba húmeda y tenebrosa, llena de ruidos extraños.
C2 adjective /ˈdɪsənənt/

dissonant

disonante
Meaning
Harsh and lacking harmony; conflicting.
Example
The orchestra produced a dissonant sound during rehearsal.
La orquesta produjo un sonido disonante durante el ensayo.
C2 adjective /ɪˈfʌldʒənt/

effulgent

resplandeciente
Meaning
Shining brilliantly; radiant.
Example
Her effulgent smile brightened everyone's mood.
Su sonrisa resplandeciente iluminó el ánimo de todos.
C2 verb /əˈbɑː.mə.neɪt/

abominate

abominar
Meaning
to feel hatred or loathing for something
Example
She abominates cruelty to animals.
Ella abomina la crueldad hacia los animales.
C2 adjective /ˈpeɪli/

paly

rayado
Meaning
striped with different colors, usually used in heraldry
Example
The knight’s shield was decorated with paly stripes of red and gold.
El escudo del caballero estaba decorado con rayas rayadas de rojo y oro.
C2 verb /ˈɪndjʊˌreɪt/

indurate

endurecer
Meaning
To harden or make something physically or emotionally tough.
Example
Years of hardship indurated his spirit.
Años de dificultades induraron su espíritu.
C2 noun /əˈpɒfəsɪs/

apophasis

apofasis
Meaning
A rhetorical device where the speaker brings up a subject by denying it or pretending to pass over it.
Example
The politician used apophasis by saying, 'I won’t even mention my opponent’s scandals.'
El político usó la apofasis al decir: 'Ni siquiera mencionaré los escándalos de mi oponente'.
C2 noun /ˈmæk.rəˌkɒz.əm/

macrocosm

macrocosmos
Meaning
The whole universe considered as a large, complex system; a large-scale representation of something.
Example
The macrocosm of the universe reflects the microcosm of human life.
El macrocosmos del universo refleja el microcosmos de la vida humana.
C2 adjective /rɪˈdjuːsəbl̩/

reducible

reducible
Meaning
capable of being simplified, lessened, or made smaller
Example
The problem is complex but reducible to a few basic principles.
El problema es complejo pero reducible a unos pocos principios básicos.
C2 noun /ˌpaɪrəˈmeɪniə/

pyromania

deseo incontrolable de prender fuego a cosas
Meaning
An uncontrollable desire to set things on fire.
Example
The suspect was diagnosed with pyromania after repeated incidents of arson.
El sospechoso fue diagnosticado con piromanía después de repetidos incidentes de incendio provocado.
C2 adjective /ˈnɒmɪk/

nomic

relacionado con la ley
Meaning
Relating to laws, rules, or systems.
Example
The philosopher discussed the nomic necessity of natural laws.
El filósofo discutió la necesidad nómica de las leyes naturales.
C2 noun /ˈhʌvəl/

hovel

choza
Meaning
a small, poorly built, and dirty house
Example
The refugees lived in a makeshift hovel.
Los refugiados vivían en una choza improvisada.
C2 noun /mɔːrˈtɪʃən/

mortician

funerario
Meaning
a person whose job is to prepare dead bodies for burial or cremation and to arrange funerals
Example
The mortician prepared the body for the funeral service.
El funerario preparó el cuerpo para el servicio funerario.
C2 noun /juːˌtrɑː.fɪˈkeɪ.ʃən/

eutrophication

exceso de nutrientes en un lago o cuerpo de agua
Meaning
Excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.
Example
Excess fertilizers lead to eutrophication in lakes.
Los fertilizantes excesivos provocan la eutrofización en los lagos.
C2 noun /ˌkiː ˈviːv/

qui vive

alerta
Meaning
A state of alertness or vigilance.
Example
The guards were on the qui vive during the night.
Los guardias estaban en alerta durante la noche.
C2 noun /ˌmɪsæprɪˈhɛnʃən/

misapprehension

malentendido
Meaning
a mistaken belief or misunderstanding
Example
There is a common misapprehension about the causes of the disease.
Existe un malentendido común sobre las causas de la enfermedad.
C2 adjective /ˌɛsəˈtɛrɪk/

esoteric

esotérico
Meaning
intended for or understood by only a small number of people with special knowledge
Example
The professor gave an esoteric lecture on ancient philosophy.
El profesor dio una conferencia esotérica sobre filosofía antigua.
C2 noun /ˌlɛdʒərdəˈmeɪn/

legerdemain

truco, engaño
Meaning
skillful use of one's hands when performing tricks; deception or trickery
Example
The magician's legerdemain left the audience amazed.
El truco del mago dejó a la audiencia asombrada.
C2 adjective /ˈkwɛrʊləs/

querulous

quejoso
Meaning
Complaining in a whining or irritable manner.
Example
The querulous customer kept finding fault with every detail.
El cliente quejoso seguía encontrando fallos en cada detalle.
C2 noun /ˈkeɪ.tɪf/

caitiff

villano
Meaning
A contemptible or cowardly person.
Example
The knight despised the caitiff who betrayed his comrades.
El caballero despreciaba al villano que traicionó a sus compañeros.
C2 adjective ˌnjʊəroʊˈkɒɡnɪtɪv

neurocognitive

neurocognitivo
Meaning
Related to brain information processing and memory power
Example
Neurocognitive functions decline due to lack of sleep.
Las funciones neurocognitivas disminuyen debido a la falta de sueño.
C2 noun /ˈbɛnɪsən/

benison

bendición
Meaning
A blessing or benefit.
Example
The rain was a benison for the drought-stricken farmers.
La lluvia fue una bendición para los agricultores afectados por la sequía.
C2 noun /məˈnæʒəri/

menagerie

colección de animales salvajes
Meaning
a collection of wild animals kept for exhibition; a diverse or strange group of people or things
Example
The circus had a menagerie of exotic animals.
El circo tenía una colección de animales exóticos.
C2 adjective /koʊˈtɜːr.mɪ.nəs/

coterminous

coextensivo
Meaning
having the same boundaries or extent in space, time, or meaning
Example
The two jurisdictions are coterminous, sharing the same borders.
Las dos jurisdicciones son coextensivas, compartiendo las mismas fronteras.
C2 noun /ˌɪrɪˈdɛsəns/

iridescence

brillo iridiscente
Meaning
a play of lustrous, changing colors like those of a rainbow
Example
The butterfly's wings shimmered with iridescence.
Las alas de la mariposa brillaban con brillo iridiscente.
C2 noun /oʊd/

ode

oda
Meaning
a lyrical poem, often expressing praise or strong emotions
Example
The poet wrote an ode to the beauty of nature.
El poeta escribió una oda a la belleza de la naturaleza.
C2 noun /prɔːŋ/

prong

pico de tenedor
Meaning
a projecting pointed part, such as one of the pointed ends of a fork
Example
The fork has four prongs.
El tenedor tiene cuatro picos.
C2 adjective /ɪnˈtɛsteɪt/

intestate

muerto sin testamento
Meaning
Having died without leaving a valid will.
Example
She died intestate, so her assets were distributed by law.
Ella murió sin testamento, por lo que sus bienes fueron distribuidos por la ley.
C2 verb /dɪˈnjuːd/

denude

despojar
Meaning
to strip something of its covering, possessions, or assets
Example
The forest was denuded of trees by illegal logging.
El bosque fue despojado de árboles por la tala ilegal.
C2 noun /pəˈnʌmbrə/

penumbra

sombra parcial
Meaning
a partially shaded area around the shadow of an object, especially during an eclipse
Example
The moon’s penumbra created a dim shadow over the Earth.
La penumbra de la luna creó una sombra tenue sobre la Tierra.
C2 noun /dɪˈspɔɪlər/

despoiler

despojador
Meaning
A person who robs, plunders, or violently takes things from others.
Example
The despoilers left the city in ruins.
Los despojadores dejaron la ciudad en ruinas.
C2 noun /əˈkwɪtəns/

acquittance

recibo de pago
Meaning
a written receipt acknowledging payment or discharge of a debt
Example
He demanded an acquittance after paying the loan.
Él exigió un recibo de pago después de pagar el préstamo.
C2 noun /ˌpliːnɪpəˈtɛnʃəri/

plenipotentiary

plenipotenciario
Meaning
a person invested with full power to act on behalf of another, especially in diplomacy
Example
The ambassador was a plenipotentiary sent to negotiate the treaty.
El embajador era un plenipotenciario enviado para negociar el tratado.
C2 noun /ˈdoʊtɪdʒ/

dotage

vejez
Meaning
The period of old age, especially when one is weak or senile.
Example
He spent his dotage reminiscing about his youth.
Él pasó su vejez recordando su juventud.
C2 adjective /həˈmɑː.lə.ɡəs/

homologous

homólogo (estructura)
Meaning
Having the same relation, relative position, or structure, especially due to evolutionary origin.
Example
The wings of bats and the arms of humans are homologous structures.
Las alas de los murciélagos y los brazos de los humanos son estructuras homólogas.
C2 adjective /ɪnˈdɛkərəs/

indecorous

indecoroso
Meaning
Not in keeping with good taste and propriety; improper.
Example
His indecorous behavior shocked the audience.
Su comportamiento indecoroso sorprendió a la audiencia.
C2 adjective /ˈtriːkli/

treacly

Excesivamente dulce o sentimental, como la melaza.
Meaning
Excessively sweet or sentimental, like treacle.
Example
The movie was too treacly for my taste.
La película era demasiado empalagosa para mi gusto.
C2 noun /ˌɛn.biː.esˈpiː/

nbsp

espacio no rompible
Meaning
a non-breaking space character in HTML used to prevent an automatic line break at its position
Example
Use   in HTML to add a space that won't break into a new line.
Usa   en HTML para agregar un espacio que no se rompa en una nueva línea.
C2 adjective ˌpɜː.spɪˈkeɪ.ʃəs

perspicacious

perspicaz
Meaning
Having keen insight and understanding; showing acute mental discernment.
Example
The detective's perspicacious nature helped solve the mystery.
La naturaleza perspicaz del detective ayudó a resolver el misterio.