sextant
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
C2 noun /ˈsɛkstənt/

sextant

sextante
Meaning
a navigational instrument with a graduated arc of 60°, used to measure the angle between a celestial object and the horizon
Example
Using a sextant, the navigator fixed the ship’s position at noon.
Usando un sextante, el navegante fijó la posición del barco al mediodía.
C2 adjective /ˈsed.j ə.l ə s/

Sedulous

diligente; aplicado;
Meaning
showing dedication and diligence; persistent and careful in work
Example
She was sedulous in her research, spending hours in the library every day.
Ella fue diligente en su investigación, pasando horas en la biblioteca todos los días.
C2 noun /ˈsɔː.dər/

Sawder

adulación; halagos falsos
Meaning
flattering or wheedling talk; soft soap
Example
His sawder couldn't convince anyone of his sincerity.
Su adulación no pudo convencer a nadie de su sinceridad.
C2 noun /ˈsaʊər wʊd ˈæp.əl/

Sour wood apple

manzana de elefante
Meaning
a tropical fruit with hard shell and tangy flesh; elephant apple
Example
The sour wood apple has a unique taste that many people enjoy.
La manzana de elefante tiene un sabor único que muchas personas disfrutan.
C2 verb /ˈsæŋktɪfaɪ/

sanctify

santificar
Meaning
to make holy or sacred; to purify
Example
The priest will sanctify the marriage ceremony.
El sacerdote santificará la ceremonia de matrimonio.
C2 verb /ˈsɪn.tɪ.leɪt/

scintillate

brillar
Meaning
to sparkle or shine brightly; to emit flashes of light
Example
The diamond ring scintillated under the bright lights.
El anillo de diamantes brilló bajo las luces brillantes.
C2 verb /ˈseɪʃiˌeɪt/

satiate

saciar
Meaning
To satisfy fully, especially with food or desire.
Example
The large meal satiated his hunger.
La gran comida sació su hambre.
C2 adjective /ˈstɜːr.tər.əs/

stertorous

ronquido fuerte
Meaning
Characterized by heavy snoring or breathing.
Example
The patient’s stertorous breathing alarmed the nurses.
La respiración estertorosa del paciente alarmó a las enfermeras.
C2 adjective /ˌstaʊtˈhɑːrtɪd/

stouthearted

valiente
Meaning
Brave, determined, and courageous
Example
The stouthearted soldier never gave up.
El soldado valiente nunca se rindió.
C2 verb /ˈsnɪvəl/

snivel

llorar o quejarse de manera débil o molesta
Meaning
to cry or complain in a weak or annoying way
Example
He began to snivel when he didn’t get his way.
Comenzó a llorar cuando no consiguió lo que quería.
C2 verb /sɛkˈstuːpəl/

sextuple

sextuplicar
Meaning
to make or become six times as great or as many
Example
Within two quarters, the campaign sextupled their daily sign-ups.
En dos trimestres, la campaña sextuplicó sus registros diarios.
C2 noun /ˈsaɪnɪkjʊər/

sinecure

trabajo fácil
Meaning
a position requiring little or no work but giving financial benefit or status
Example
He was given a sinecure at the university as a reward for his loyalty.
Le dieron un trabajo fácil en la universidad como recompensa por su lealtad.
C2 adjective /svelt/

svelte

esbelto
Meaning
Attractively thin, graceful, and elegant in appearance or movement.
Example
She looked svelte in the elegant black dress.
Ella se veía esbelta con el elegante vestido negro.
C2 verb, adjective /ˈstraɪeɪt/

striate

estriar
Meaning
to mark with stripes or grooves; striped or streaked in appearance
Example
The rock surface was striated by glacial movement.
La superficie de la roca fue estriada por el movimiento glaciar.
C2 noun /ˈsɒlɪˌsɪzəm/

solecism

solecismo
Meaning
a grammatical mistake in speech or writing; a breach of good manners or etiquette
Example
His speech was full of solecisms and awkward phrases.
Su discurso estaba lleno de solecismos y frases incómodas.
C2 verb /sɪˈkwɛstreɪt/

sequestrate

confiscar
Meaning
To take legal possession of assets until a debt is paid or disputes are resolved.
Example
The court decided to sequestrate the company's property.
El tribunal decidió confiscar la propiedad de la empresa.
C2 verb /ˈstʌltɪfaɪ/

stultify

hacer parecer tonto o dificultar la efectividad y el entusiasmo
Meaning
to make someone or something appear foolish, or to hinder effectiveness and enthusiasm
Example
The repetitive tasks seemed to stultify the workers' creativity.
Las tareas repetitivas parecían atontar la creatividad de los trabajadores.
C2 noun /ˈsɪnjuː/

sinew

tendón
Meaning
A tendon; figuratively, the source of strength, power, or resilience.
Example
The sinews in his arms stood out as he lifted the heavy box.
Los tendones en sus brazos se destacaron cuando levantó la caja pesada.
C2 verb /skwɛltʃ/

squelch

hacer un sonido suave, como caminar en el barro; suprimir o callar
Meaning
to make a soft sucking sound, such as when walking on mud; to suppress or silence
Example
His boots squelched in the wet ground.
Sus botas hicieron un ruido de squelch en el suelo mojado.
C2 noun /ˈskʌl.i.ən/

scullion

sirviente de cocina
Meaning
a servant assigned the most menial kitchen tasks
Example
In medieval times, a scullion was responsible for cleaning pots and pans.
En la Edad Media, un scullion era responsable de limpiar las ollas y sartenes.
C2 verb /ʃiːð/

sheathe

volver a meter en la vaina
Meaning
to put a sword or knife back into its cover
Example
He quickly sheathed his sword after the duel.
Él rápidamente volvió a meter su espada en su vaina después del duelo.
C2 adjective /sɪˈnɒptɪk/

synoptic

sinóptico
Meaning
giving a general overview or summary; presenting a broad view
Example
The report offers a synoptic view of climate trends over the past century.
El informe ofrece una vista sinóptica de las tendencias climáticas del siglo pasado.
C2 adjective /ˌsuːprəˈmʌndeɪn/

supramundane

supramundano
Meaning
beyond the physical or ordinary world; transcendent
Example
The monk spoke of supramundane peace beyond material life.
El monje habló de la paz supramundana más allá de la vida material.
C2 noun /ʃiːt fɪʃ/

Sheat-fish

siluro
Meaning
A large freshwater catfish with a broad flat head and long barbels
Example
The sheat-fish is one of the largest freshwater fish in South Asia.
El siluro es uno de los peces de agua dulce más grandes del sur de Asia.
C2 adjective, noun /səbˈmɜːrsəbl/

submersible

sumergible
Meaning
capable of being submerged; a small underwater craft
Example
The scientists explored the deep ocean using a submersible.
Los científicos exploraron el océano profundo utilizando un sumergible.
C2 noun /ˈsɪlvər kɑrp/

Silver carp

carpa plateada
Meaning
a large freshwater fish with silvery scales, commonly farmed for food
Example
Silver carp is widely cultivated in fish farms across Asia.
La carpa plateada se cultiva ampliamente en las granjas de peces de Asia.
C2 noun /skɪf/

skiff

bote pequeño
Meaning
a small, light boat usually for one person
Example
The fisherman paddled his skiff across the lake.
El pescador remó su bote pequeño a través del lago.
C2 noun /ˈsælvoʊ/

salvo

salva
Meaning
A simultaneous discharge of guns or release of bombs; a sudden outburst of cheers or applause.
Example
The soldiers fired a salvo to honor the fallen general.
Los soldados dispararon una salva para honrar al general caído.
C2 noun /ˈsʌplɪkənt/

supplicant

suplicante
Meaning
A person who humbly or earnestly asks for something, usually from a person of authority.
Example
The temple was filled with supplicants seeking blessings.
El templo estaba lleno de suplicantes buscando bendiciones.
C2 adjective /splɪˈnɛtɪk/

splenetic

irritable, malhumorado
Meaning
bad-tempered, irritable, spiteful
Example
His splenetic remarks offended everyone in the room.
Sus comentarios iracundos ofendieron a todos en la sala.
C2 noun /slaɪt/

sleight

habilidad
Meaning
Skill or dexterity, especially in performing tricks.
Example
The magician amazed the crowd with his sleight of hand.
El mago sorprendió a la multitud con su habilidad con las manos.
C2 noun /ˈsfɛrɔɪd/

spheroid

esferoide
Meaning
A three-dimensional shape that is almost spherical but slightly flattened or elongated.
Example
The Earth is not a perfect sphere but an oblate spheroid.
La Tierra no es una esfera perfecta sino un esferoide oblato.
C2 adjective /ˈswɔːrði/

swarthy

moreno
Meaning
Having a dark complexion or skin tone.
Example
The sailor had a swarthy face from years under the sun.
El marinero tenía la cara morena después de años bajo el sol.
C2 adjective /ˈsiːkwənt/

sequent

secuente
Meaning
Following in order or as a result.
Example
The sequent events changed the course of history.
Los eventos subsecuentes cambiaron el curso de la historia.
C2 adjective /ˈsɪnjuːi/

sinewy

musculoso y fuerte
Meaning
Lean and muscular; strong and tough.
Example
The athlete had a sinewy build that showed his strength.
El atleta tenía una constitución musculosa que mostraba su fuerza.
C2 adjective /ˈsɪbɪlaɪn/

sibylline

sibila
Meaning
Prophetic, mysterious, or cryptic in meaning.
Example
The old woman gave a sibylline warning about the future.
La anciana dio una advertencia sibila sobre el futuro.
C2 adjective, adverb /ˈsaɪdlɔːŋ/

sidelong

mirada oblicua
Meaning
Directed to the side; indirect, furtive, or not straightforward.
Example
She gave him a sidelong glance across the room.
Ella le lanzó una mirada oblicua a través de la habitación.
C2 noun /ˈstiː.vəˌdɔːr/

stevedore

estibador
Meaning
A person employed to load and unload cargo from ships.
Example
The stevedores worked tirelessly to unload the cargo before dawn.
Los estibadores trabajaron incansablemente para descargar la carga antes del amanecer.
C2 adjective /ˈsɛrid/

serried

agrupado
Meaning
pressed or crowded together, often in rows or ranks
Example
The soldiers stood in serried ranks, ready for inspection.
Los soldados estaban en filas agrupadas, listos para la inspección.
C2 noun /ˌsɪŋ.krəˈnɪs.ɪ.ti/

synchronicity

sincronía
Meaning
The meaningful coincidence of two or more events that are not planned.
Example
The synchronicity of their thoughts amazed everyone.
La sincronía de sus pensamientos asombró a todos.
C2 noun /ʃiːf/

sheaf

manojo de trigo
Meaning
a bundle of grain stalks laid lengthwise and tied together after reaping; a bundle of objects tied together
Example
The farmer carried a sheaf of wheat on his shoulder.
El agricultor llevaba un manojo de trigo sobre su hombro.
C2 adjective /ˌsuːpərˈnuːmərɛri/

supernumerary

suplementario
Meaning
Exceeding the usual number; extra or unnecessary.
Example
The play included several supernumerary actors to fill the background scenes.
La obra incluyó varios actores suplementarios para llenar las escenas de fondo.
C2 noun /ˈstætɪks/

statics

estática
Meaning
The branch of mechanics dealing with bodies at rest and forces in equilibrium.
Example
She is studying statics as part of her engineering course.
Ella está estudiando estática como parte de su curso de ingeniería.
C2 verb /ˌsuːpərˈæn.ju.eɪt/

superannuate

jubilar con pensión
Meaning
to retire someone with a pension, usually due to age or long service
Example
The company decided to superannuate its senior employees after thirty years of service.
La empresa decidió jubilar con pensión a sus empleados senior después de treinta años de servicio.
C2 noun /sʌbˈɔːl.tən/

subaltern

persona en una posición subordinada; en el ejército, un oficial joven
Meaning
A person holding a subordinate position; in the military, a junior officer.
Example
The subaltern was responsible for leading a small platoon of soldiers.
El subalterno era responsable de dirigir un pequeño pelotón de soldados.
C2 noun /ˈslʌɡərd/

sluggard

perezoso
Meaning
A lazy, sluggish person.
Example
The sluggard refused to get out of bed even at noon.
El perezoso se negó a levantarse de la cama incluso al mediodía.
C2 noun/verb /sluːs/

sluice

compuerta de agua / enjuagar
Meaning
A sliding gate for controlling the flow of water; to wash or rinse with water in large quantities.
Example
The workers sluiced the mud off the street after the heavy rain.
Los trabajadores limpiaron el barro de la calle después de la fuerte lluvia.
C2 noun /ˈseɪ.ɡoʊ/

Sago

sago
Meaning
starchy foodstuff obtained from the pith of various tropical palm stems
Example
She prepared sago pudding for dessert.
Ella preparó pudín de sago para el postre.
C2 verb /ˌsuːpərɪnˈtɛnd/

superintend

supervisar
Meaning
to oversee and direct the work or operation of something
Example
She was hired to superintend the construction project.
Ella fue contratada para supervisar el proyecto de construcción.
C2 noun /sɛnˈsɔːrɪəm/

sensorium

centro sensorial
Meaning
The part of the brain or mind concerned with the reception and interpretation of sensory stimuli.
Example
The patient’s sensorium was clouded after the accident.
El sensorium del paciente estaba nublado después del accidente.
C2 verb /ˈsɪbəleɪt/

sibilate

pronunciar con silbido
Meaning
To pronounce with a hissing sound.
Example
The actor sibilated his lines for dramatic effect.
El actor pronunció sus líneas con un silbido para un efecto dramático.
C2 noun /ˈsuːpsɒ̃/

soupcon

una pequeña cantidad
Meaning
a very small quantity of something; a trace
Example
She added just a soupcon of spice to the dish.
Ella añadió solo una pequeña cantidad de especia al plato.
C2 verb /ˈsʌk.əl/

suckle

amamantar
Meaning
to feed a baby or young animal with milk from the breast or udder
Example
The mother cat suckled her kittens in the basket.
La madre gata amamantó a sus gatitos en la cesta.
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.
C2 noun /sɪˈmɪlɪtjuːd/

Similitude

similitud; semejanza
Meaning
the quality or state of being similar; resemblance
Example
The similitude between the two paintings suggested they were by the same artist.
La similitud entre las dos pinturas sugirió que fueron hechas por el mismo artista.
C2 adjective /sɪˈlæbɪk/

syllabic

silábico
Meaning
Relating to or based on syllables.
Example
The teacher explained the syllabic structure of the word.
El maestro explicó la estructura silábica de la palabra.
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 verb /sʌbˈtɛnd/

subtend

subtender
Meaning
To extend across or form an angle at a particular point, often used in geometry.
Example
The arc subtends a 60-degree angle at the center of the circle.
El arco subtende un ángulo de 60 grados en el centro del círculo.
C2 noun /ˈsweɪʒən/

suasion

persuasión
Meaning
the act of persuading or influencing someone
Example
The leader used gentle suasion to win support for the plan.
El líder usó una suave persuasión para ganar apoyo para el plan.
C2 noun /sneɪk ɡɔːrd/

Snake gourd

calabaza serpiente
Meaning
a long, curved vegetable that resembles a snake, commonly used in South Asian cuisine
Example
The snake gourd grows in a twisted, serpentine shape in the garden.
La calabaza serpiente crece en una forma retorcida y serpenteante en el jardín.
C2 noun /ˈʃɑːdənfrɔɪdə/

schadenfreude

placer derivado de la desgracia ajena
Meaning
pleasure derived from another person's misfortune
Example
He felt a sense of schadenfreude when his rival failed.
Sintió una sensación de schadenfreude cuando su rival fracasó.
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 noun /ˌsɪɡnɪfɪˈkeɪʃən/

signification

significado
Meaning
the meaning or sense conveyed by a word, action, or symbol
Example
The signification of the gesture was misunderstood.
El significado del gesto fue malinterpretado.
C2 noun /ˌskʌlˈdʌɡəri/

skullduggery

engaño
Meaning
dishonest behavior or activities, often done secretly
Example
The election was full of political skullduggery.
La elección estuvo llena de engaños políticos.
C2 noun /səˈnɛs.əns/

senescence

envejecimiento
Meaning
The process of growing old or the condition of aging.
Example
The biologist studied senescence in plants to understand aging.
El biólogo estudió la senescencia en las plantas para entender el envejecimiento.
C2 verb /ˈsʌn.dər/

sunder

separar
Meaning
To split apart or separate, especially with force.
Example
The war sundered families and friends.
La guerra separó familias y amigos.
C2 noun /ˈskɜː.vi/

scurvy

Escorbuto
Meaning
A disease caused by a deficiency of vitamin C, leading to weakness, gum disease, and bleeding.
Example
Sailors often suffered from scurvy during long sea voyages without fresh fruits.
Los marineros a menudo sufrían de escorbuto durante largos viajes en el mar sin frutas frescas.
C2 noun /ˌʃæŋɡriˈlɑː/

shangri-la

paraíso imaginario
Meaning
a remote, beautiful, imaginary place where life is perfect and peaceful
Example
They described the island as a modern-day Shangri-La.
Describieron la isla como un Shangri-La moderno.
C2 noun /spjuːm/

spume

espuma
Meaning
Froth or foam, especially found on waves or liquids.
Example
The waves crashed against the rocks, leaving spume in the air.
Las olas chocaron contra las rocas, dejando espuma en el aire.
C2 noun /ˈsaɪz.mə.ɡræf/

seismograph

sismógrafo
Meaning
An instrument that measures and records details of earthquakes, such as force and duration.
Example
The seismograph detected a strong tremor in the area.
El sismógrafo detectó un fuerte temblor en la zona.
C2 adjective /sɛnˈtɛnʃəs/

sententious

moralista; que da lecciones
Meaning
Given to moralizing in a pompous or affected manner.
Example
His sententious remarks annoyed the audience.
Sus comentarios moralistas molestaron a la audiencia.
C2 verb /ˈsɪmpər/

simper

sonreír de manera tonta o afectada
Meaning
to smile in a silly, self-conscious, or affected way
Example
She simpered at his compliment, clearly embarrassed.
Ella sonrió tontamente ante su cumplido, claramente avergonzada.
C2 adjective /sɪər/

sere

seco
Meaning
Dry or withered, especially vegetation.
Example
The sere leaves crumbled under his feet.
Las hojas secas se desmoronaron bajo sus pies.
C2 adjective /ˌsæpəˈneɪʃəs/

saponaceous

jabonoso
Meaning
Soapy or having the qualities of soap.
Example
The plant has saponaceous leaves that produce foam when rubbed in water.
La planta tiene hojas jabonosas que producen espuma cuando se frotan en agua.
C2 adjective /ˈsæŋɡwɪˌnɛri/

sanguinary

sangriento
Meaning
Involving or causing much bloodshed; bloodthirsty.
Example
The battle was one of the most sanguinary conflicts of the war.
La batalla fue uno de los conflictos más sangrientos de la guerra.
C2 verb /səˈbɔːrn/

suborn

sobornar
Meaning
to bribe or induce someone unlawfully to perform an act, especially to commit perjury
Example
The lawyer was accused of trying to suborn a witness.
El abogado fue acusado de intentar sobornar a un testigo.
C2 verb /seɪt/

sate

saciar
Meaning
To satisfy fully or to excess.
Example
The huge meal sated their hunger after the long journey.
La gran comida sació su hambre después del largo viaje.
C2 noun /ˌself əˈbeɪs.mənt/

self-abasement

automenos
Meaning
The act of belittling or humiliating oneself.
Example
His constant self-abasement made others uncomfortable.
Su constante automenos lo hacía sentir incómodo frente a los demás.
C2 adjective /ˈsfɪŋks laɪk/

sphinx-like

misterioso
Meaning
Mysterious, enigmatic, or difficult to interpret
Example
Her sphinx-like smile made it hard to guess what she was thinking.
Su sonrisa de esfinge hacía que fuera difícil adivinar lo que estaba pensando.
C2 noun /skʌlˈdʌɡəri/

skulduggery

engaño
Meaning
underhanded or dishonest behavior
Example
The politician was accused of financial skulduggery.
El político fue acusado de estafa financiera.
C2 adjective /ˈskʌr.ɪ.ləs/

scurrilous

calumnioso
Meaning
Using or expressed in coarse, abusive, or slanderous language.
Example
The politician faced criticism for his scurrilous remarks about his opponent.
El político enfrentó críticas por sus comentarios calumniosos sobre su oponente.
C2 adjective /ˈʃɑːpwɔːrn/

shopworn

gastado / viejo
Meaning
worn or faded from being displayed in a shop; no longer fresh or original
Example
The shopworn shoes were sold at a discount.
Los zapatos shopworn se vendieron con descuento.
C2 noun /sɒl/

sol

sol (quinto tono de la escala musical)
Meaning
The fifth note of the sol-fa musical scale (do, re, mi, fa, sol, la, ti); also the Latin word for sun
Example
The choir practiced singing the note sol during rehearsal.
El coro practicó cantar la nota sol durante el ensayo.
C2 adjective /ˌsuː.pɚˈsɪl.i.əs/

supercilious

arrogante
Meaning
Behaving or looking as though one thinks one is superior to others; arrogant and disdainful.
Example
She gave him a supercilious smile as if he was beneath her.
Ella le dio una sonrisa arrogante como si él estuviera por debajo de ella.
C2 noun /səˈvɑːnt/

savant

felicidad
Meaning
a learned person, especially a distinguished scientist or scholar; sometimes used in the phrase ‘savant syndrome’ for someone with exceptional abilities alongside developmental differences
Example
The conference keynote was delivered by a linguistic savant who studies endangered languages.
No pudo ocultar su felicidad cuando recibió el premio.
C2 noun /ˈsætər/

satyr

felicidad
Meaning
a creature from Greek mythology depicted as a lustful being, often half-man and half-goat; by extension, a lecherous man
Example
In the museum mural, a satyr plays the panpipes while dancing in the woods.
No pudo ocultar su felicidad cuando recibió el premio.
C2 adjective /ˌsʌb.əˈkwɒt.ɪk/

subaquatic

subacuático
Meaning
Existing, living, or located under water.
Example
Divers explored the subaquatic cave system filled with rare fish.
Los buzos exploraron el sistema de cavernas subacuáticas llenas de peces raros.
C2 verb /ˌsuːpərˈæd/

superadd

superagregar
Meaning
to add something to what has already been added
Example
The author chose to superadd a new chapter to the revised edition.
El autor eligió superagregar un nuevo capítulo a la edición revisada.
C2 verb /ˈsʌpjʊˌreɪt/

suppurate

supurar
Meaning
to form or discharge pus, usually as a result of infection
Example
The wound began to suppurate after a few days.
La herida comenzó a supurar después de unos días.
C2 noun /ˈskæb.ərd/

scabbard

vaina
Meaning
A sheath for the blade of a sword or dagger, typically made of leather or metal.
Example
The knight drew his sword from the scabbard.
El caballero sacó su espada de la vaina.
C2 adjective /ˌsɒpəˈrɪfɪk/

soporific

felicidad
Meaning
tending to induce drowsiness or sleep; causing sleepiness
Example
The professor's lecture was so soporific that half the class fell asleep.
Ella no podía esconder su felicidad cuando recibió el premio.
C2 adjective /sɪˈkweɪʃəs/

sequacious

seguidor ciego
Meaning
Lacking independence of thought; blindly following.
Example
The sequacious students never questioned their teacher's opinions.
Los estudiantes sequacios nunca cuestionaron las opiniones de su maestro.
C2 noun /ˈsɛm.ɪ.nɛr.i/

seminary

seminario
Meaning
A school or college for training priests, ministers, or rabbis.
Example
He decided to enroll in a seminary to study theology.
Decidió inscribirse en un seminario para estudiar teología.
C2 adjective /stɛnˈtɔːriən/

stentorian

estruendoso
Meaning
Extremely loud and powerful in sound.
Example
The teacher’s stentorian voice quieted the noisy classroom.
La voz estentórica del maestro calló el ruidoso salón de clases.
C2 adjective /ˈsloʊθfəl/

slothful

perezoso
Meaning
Lazy, idle, and unwilling to work.
Example
She was too slothful to get out of bed early.
Ella era demasiado perezosa para levantarse de la cama temprano.
C2 adjective /səˈpʌlkrəl/

sepulchral

relacionado con una tumba, sombrío
Meaning
Relating to a tomb or burial; gloomy, dismal.
Example
The abandoned house had a sepulchral silence about it.
La casa abandonada tenía un silencio sepulcral.
C2 adjective /ˈsiːmi/

seamy

degradado, sórdido
Meaning
Morally degraded, unpleasant, or sordid.
Example
The novel reveals the seamy side of city life.
La novela revela el lado sórdido de la vida en la ciudad.
C2 noun /ˈsɒfɪstri/

sophistry

sofistería
Meaning
the use of clever but false arguments, often to deceive
Example
The politician's speech was full of sophistry.
El discurso del político estaba lleno de sofistería.
C2 noun /sɒp/

sop

concesión
Meaning
a concession or appeasement to pacify someone; also a piece of bread dipped in liquid
Example
The manager offered a bonus as a sop to the unhappy employees.
El gerente ofreció un bono como un obsequio a los empleados descontentos.
C2 adjective /səˈɡeɪ.ʃəs/

sagacious

sabio
Meaning
Having or showing keen mental discernment and good judgment; wise.
Example
His sagacious leadership saved the company from failure.
Su sabio liderazgo salvó a la empresa del fracaso.
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 noun /skriːd/

screed

escrito largo y tedioso
Meaning
a long, tedious piece of writing or speech; also a layer of material like cement spread on a surface
Example
He delivered a long screed against corruption.
Él entregó un largo escrito contra la corrupción.
C2 noun /ˈsʌfərəns/

sufferance

tolerancia
Meaning
patient endurance of pain, hardship, or delay; passive consent or tolerance
Example
He lived in poverty with quiet sufferance.
Vivió en la pobreza con tolerancia silenciosa.
C2 noun /ˈsɑːrdʒənt ət ɑːrmz/

sergeant-at-arms

sargento de armas
Meaning
An officer responsible for maintaining order during meetings or legislative sessions.
Example
The sergeant-at-arms escorted the disruptive member out of the hall.
El sargento de armas escoltó al miembro disruptivo fuera del salón.
C2 adjective /ˌsʌpəzɪˈtɪʃəs/

supposititious

supositorio
Meaning
Based on assumption rather than fact; not genuine or authentic.
Example
The story turned out to be supposititious, with no evidence to support it.
La historia resultó ser supuesta, sin evidencia que la apoyara.
C2 adjective /saɪˈdɪəriəl/

sidereal

sideral
Meaning
Relating to the stars or constellations; measured relative to the stars.
Example
Astronomers use sidereal time to track the positions of stars.
Los astrónomos usan el tiempo sideral para rastrear las posiciones de las estrellas.
C2 noun /ˈseɪ.li.əns/

salience

saliencia
Meaning
The quality of being particularly noticeable or important; prominence.
Example
The salience of the issue was highlighted in the debate.
La saliencia del asunto se destacó en el debate.
C2 noun /sɪˈnɛrəsɪs/

syneresis

sineresis
Meaning
The contraction of two adjacent vowels into a single syllable or the separation of liquid from a gel.
Example
The yogurt showed syneresis when liquid separated on top.
El yogur mostró sinéresis cuando el líquido se separó en la parte superior.
C2 adjective /ˈsmɑːrmi/

smarmy

adulador / falsa cortesía
Meaning
Excessively flattering or ingratiating, often insincerely.
Example
The salesman gave a smarmy pitch that felt fake.
El vendedor dio una charla aduladora que se sintió falsa.
C2 adjective ˌsʌr.əpˈtɪʃ.əs

surreptitious

secreto
Meaning
Kept secret, especially because it would not be approved of; done stealthily.
Example
She took a surreptitious glance at his notes.
Ella echó un vistazo secreto a sus notas.
C2 noun /sɪˈrɒkoʊ/

sirocco

viento cálido y seco
Meaning
A hot, dry wind blowing from North Africa across the Mediterranean to southern Europe.
Example
The sirocco made the city unbearably hot and dusty.
El siroco hizo que la ciudad se volviera insoportablemente calurosa y polvorienta.
C2 adjective /spæzˈmɒdɪk/

spasmodic

espasmódico
Meaning
occurring irregularly or in sudden bursts
Example
The patient experienced spasmodic coughing during the night.
El paciente experimentó tos espasmódica durante la noche.
C2 adjective /ˈstraɪ.eɪ.tɪd/

striated

estriado
Meaning
marked with thin lines, grooves, or stripes
Example
The muscle fibers appeared striated under the microscope.
Las fibras musculares aparecieron estriadas bajo el microscopio.
C2 noun səˈtaɪ.ə.ti

satiety

satisfacción
Meaning
The feeling of being satisfied or full, especially with regard to food.
Example
High-fiber foods provide longer satiety.
Los alimentos ricos en fibra proporcionan mayor satisfacción.
C2 noun /ˈsʌbtrəˌhɛnd/

subtrahend

minuendo
Meaning
a number that is to be subtracted from another number
Example
In the equation 10 - 4, the number 4 is the subtrahend.
En la ecuación 10 - 4, el número 4 es el minuendo.
C2 adjective /ˈspiːʃəs/

specious

falaz
Meaning
Superficially plausible but actually false; misleading in appearance.
Example
The politician’s argument was specious, sounding convincing but lacking real evidence.
El argumento del político era falaz, sonaba convincente pero carecía de pruebas reales.
C2 adjective /səˈdʒɛstəbəl/

suggestible

sugestionable
Meaning
easily influenced by the suggestions of others
Example
Children are highly suggestible and may believe what they are told.
Los niños son altamente sugestionables y pueden creer lo que se les dice.
C2 noun /ˌsɪmjʊˈleɪkrəm/

simulacrum

simulacro
Meaning
an image or representation of someone or something; a superficial likeness
Example
The statue was only a simulacrum of the ancient god.
La estatua era solo un simulacro del dios antiguo.
C2 noun /ˈsɪlədʒɪzəm/

syllogism

silogismo
Meaning
A form of reasoning in which a conclusion is drawn from two given or assumed premises.
Example
The philosopher explained the concept of syllogism using simple examples.
El filósofo explicó el concepto de silogismo usando ejemplos simples.
C2 adjective /sɪˈnæp.tɪk/

synaptic

sináptico
Meaning
Related to the signal transmission process between nerve cells.
Example
Learning strengthens synaptic connections in the brain.
El aprendizaje fortalece las conexiones sinápticas en el cerebro.
C2 adjective /səˈlɪsɪtəs/

solicitous

solícito
Meaning
showing concern or care for someone's health, happiness, or comfort
Example
She was always solicitous about the well-being of her students.
Ella siempre estaba solicitada por el bienestar de sus estudiantes.