suppurate
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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 (plural, informal) /skædz/

scads

montones
Meaning
A large number or quantity of something (informal).
Example
She has scads of friends in the city.
Ella tiene montones de amigos en la ciudad.
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 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 /səˈmætɪk/

somatic

somático
Meaning
Relating to the body, especially as distinct from the mind.
Example
Yoga can improve both somatic and mental health.
El yoga puede mejorar tanto la salud somática como mental.
C2 adjective /ˌsuː.pər.ɪˈrɑː.ɡə.tɔːr.i/

supererogatory

supererogatorio
Meaning
Going beyond what is required or expected; more than necessary.
Example
His donation was supererogatory, far beyond what anyone had asked for.
Su donación fue supererogatoria, mucho más allá de lo que alguien había pedido.
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 verb /ˈstɪp.əl/

stipple

cubrir con pequeños puntos
Meaning
to cover a surface with numerous small dots or specks, often in drawing or painting
Example
The artist stippled the canvas to create a textured effect.
El artista cubrió el lienzo con pequeños puntos para crear un efecto texturizado.
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 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 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 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 noun /ˈsɛpəlkər/

sepulcher

sepulcro
Meaning
A small room or monument, cut in rock or built of stone, in which a dead person is buried.
Example
The ancient king was laid to rest in a grand sepulcher.
El antiguo rey fue enterrado en un gran sepulcro.
C2 noun /ˈsʌfrədʒɪst/

suffragist

sufragista
Meaning
a person advocating the extension of suffrage, especially to women
Example
The suffragists organized rallies to demand voting rights for women.
Los sufragistas organizaron manifestaciones para exigir los derechos de voto para las mujeres.
C2 adjective /ˈsɛpərəbəl/

separable

separable
Meaning
Capable of being separated or divided.
Example
The two issues are separable and should be discussed independently.
Los dos problemas son separables y deben discutirse de forma independiente.
C2 verb /ˈstræɡəl/

straggle

moverse de manera desordenada
Meaning
To move or spread in an irregular, scattered, or untidy way.
Example
The children began to straggle behind on the long hike.
Los niños empezaron a quedarse atrás en la larga caminata.
C2 noun /ˈsaɪ.ə.lɪz.əm/

sciolism

pretensión de conocimiento superficial
Meaning
pretentious show of superficial knowledge
Example
His speech was full of sciolism, impressing no one.
Su discurso estaba lleno de sciolismo, sin impresionar a nadie.
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 adjective /ˈsɒmnələnt/

somnolent

somnoliento
Meaning
Sleepy or drowsy; causing a desire to sleep.
Example
The somnolent lecture made half the class fall asleep.
La conferencia somnolienta hizo que la mitad de la clase se quedara dormida.
C2 adjective /ˌstætʃuˈɛsk/

statuesque

de estatua
Meaning
Having the grace, beauty, or dignity of a statue; tall and attractively proportioned.
Example
She had a statuesque figure that turned heads wherever she went.
Ella tenía una figura de estatua que hacía que todos se giraran donde quiera que fuera.
C2 noun /staɪn/

stein

taza de cerveza
Meaning
A large beer mug, typically made of glass or stoneware.
Example
He raised his stein to toast his friends.
Él levantó su stein para brindar por sus amigos.
C2 noun /ˌsuːpərɪnˈtɛndəns/

superintendence

supervisión
Meaning
the act of overseeing, supervising, or managing
Example
The superintendence of the school is the principal’s duty.
La supervisión de la escuela es deber del director.
C2 noun /ˈstrɪk.tʃər/

stricture

restricción, crítica
Meaning
a restriction or limitation; a critical remark
Example
The new law placed a severe stricture on free speech.
La nueva ley impuso una restricción severa a la libertad de expresión.
C2 noun /sɪnˈtɪl.ə/

scintilla

pequeña chispa
Meaning
A tiny trace or spark of a specified quality or feeling.
Example
There wasn’t a scintilla of doubt in her mind.
No había ni una chispa de duda en su mente.
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 /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 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 noun /spɪˈlʌŋkər/

spelunker

espeleólogo
Meaning
A person who explores caves as a hobby.
Example
The spelunker carried ropes and lights into the dark cave.
El espeleólogo llevó cuerdas y luces a la cueva oscura.
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 noun /ˈsɜːrfɪt/

surfeit

exceso
Meaning
an excessive amount of something
Example
There was a surfeit of food at the festival.
Había un exceso de comida en el festival.
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 noun /səbˈmɜːrʒən/

submersion

inmersión
Meaning
the state of being under water
Example
The submersion of the fields lasted for several days after the heavy rain.
La inmersión de los campos duró varios días después de la lluvia fuerte.
C2 noun /spliːn/

spleen

bazo; cólera
Meaning
an organ in the body that produces lymphocytes and filters blood; also refers to bad temper or spite
Example
He vented his spleen on his coworkers after the meeting.
Ventu su cólera sobre sus compañeros de trabajo después de la reunión.
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 noun /sɪˈdɪʃ.ən/

Sedition

sedición
Meaning
conduct or speech inciting people to rebel against authority; treason
Example
The activist was charged with sedition for his inflammatory speeches.
El activista fue acusado de sedición por sus discursos inflamatorios.
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 /ˈsæ.loʊ/

sallow

amarillo pálido
Meaning
Of an unhealthy yellow or pale brown color, often referring to skin.
Example
His sallow complexion made him look tired and sickly.
Su complexión amarilla pálida lo hacía parecer cansado y enfermo.
C2 adjective /ˈslæp.dæʃ/

slapdash

hecho a la ligera
Meaning
done too quickly and carelessly; hasty and careless
Example
The report was written in a slapdash manner, full of errors.
El informe fue escrito de manera apresurada, lleno de errores.
C2 adjective /ˈspaɪnəs/

spinous

espinoso
Meaning
Having spines or thorn-like projections
Example
The spinous cactus was difficult to handle without gloves.
El cactus espinoso era difícil de manejar sin guantes.
C2 noun ˈsɒmnələns

somnolence

somnolencia
Meaning
A state of drowsiness or sleepiness; inclination to sleep.
Example
The somnolence after a heavy meal made it hard to concentrate.
La somnolencia después de una comida pesada hizo difícil concentrarse.
C2 noun /sɑːrˈkɒfəɡəs/

sarcophagus

ataúd de piedra
Meaning
A stone coffin, often decorated, used in ancient times.
Example
The museum displayed a beautifully carved sarcophagus from ancient Egypt.
El museo exhibió un ataúd de piedra bellamente tallado de la antigua Egipto.
C2 noun /ˈsteɪtkraft/

statecraft

arte del gobierno
Meaning
The art of governing and managing state affairs effectively.
Example
The leader was praised for his exceptional statecraft in handling international relations.
El líder fue elogiado por su excepcional arte del gobierno en el manejo de relaciones internacionales.
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 /ˌseɪpiˈɛnʃəl/

sapiential

relacionado con la sabiduría
Meaning
Relating to wisdom or knowledge, often in a religious or philosophical sense.
Example
The monk shared sapiential teachings with his students.
El monje compartió enseñanzas relacionadas con la sabiduría con sus estudiantes.
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 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 adjective /sʌbˈdʒeɪsənt/

subjacent

subyacente
Meaning
lying immediately beneath; underlying
Example
The geological survey revealed subjacent layers of rock.
La encuesta geológica reveló capas subyacentes de roca.
C2 adjective /ˈsʌmp.tʃuˌɛr.i/

sumptuary

relacionado con las leyes que limitan el gasto personal en artículos de lujo
Meaning
Relating to laws or regulations intended to limit personal spending on luxury goods.
Example
In medieval Europe, sumptuary laws restricted the wearing of expensive fabrics to the nobility.
En la Europa medieval, las leyes suntuarias restringían el uso de telas caras solo a la nobleza.
C2 adjective /ˌstaʊtˈhɑːrtɪd/

stouthearted

valiente
Meaning
Brave, determined, and courageous
Example
The stouthearted soldier never gave up.
El soldado valiente nunca se rindió.
C2 noun /ˈskɪz.əm/ or /ˈsɪz.əm/

schism

felicidad
Meaning
A division or split between strongly opposed parties, often in religion or organizations.
Example
The schism in the church led to the formation of two separate groups.
Ella no pudo ocultar su felicidad cuando recibió el premio.
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 /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 /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 /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 verb /səˈfjuːz/

suffuse

difundir
Meaning
to gradually spread through or over something
Example
A warm glow suffused her face as she smiled.
Un resplandor cálido se difundió por su rostro mientras ella sonreía.
C2 adjective /ˈsætərˌnaɪn/

saturnine

saturnino
Meaning
slow and gloomy in mood
Example
His saturnine expression made everyone in the room uncomfortable.
Su expresión saturnina hizo que todos en la habitación se sintieran incómodos.
C2 noun /ˈʃʊərəti/

surety

garantía
Meaning
a person who takes responsibility for another's performance of an undertaking, such as appearing in court or paying a debt
Example
The landlord required a surety before renting the apartment.
El arrendador requirió una garantía antes de alquilar el apartamento.
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 noun /səˈɡæs.ə.t̬i/

sagacity

sabiduría profunda
Meaning
The quality of being sagacious; having or showing keen mental discernment and good judgment.
Example
His sagacity made him a great leader.
Su sagacidad lo convirtió en un gran líder.
C2 adjective /səˈræfɪk/

seraphic

angelical
Meaning
Of or like a seraph; angelic, pure, and blissful.
Example
She gave him a seraphic smile that calmed his fears.
Le dio una sonrisa angelical que calmó sus miedos.
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 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 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 /ˈsteɪsɪs/ or /ˈstæsɪs/

stasis

estasis
Meaning
A state of inactivity or equilibrium; a situation where nothing changes.
Example
The negotiations reached a state of stasis with no progress made.
Las negociaciones llegaron a un estado de estasis sin avances.
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 /sɒmˈnɪfərəs/

somniferous

somnífero
Meaning
Tending to induce sleep; soporific.
Example
The professor's somniferous lecture put half the class to sleep.
La conferencia somnífera del profesor puso a la mitad de la clase a dormir.
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 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 /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 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 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 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 /sɛkˈstɛt/

sextet

sexteto
Meaning
a group of six people playing music or a piece written for six performers
Example
The jazz sextet filled the small club with a warm, layered sound.
El sexteto de jazz llenó el pequeño club con un sonido cálido y en capas.
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 adjective /ˈslʌvənli/

slovenly

desordenado
Meaning
Untidy or careless in appearance, habits, or work.
Example
His slovenly appearance made a bad impression at the interview.
Su apariencia desordenada causó una mala impresión en la entrevista.
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 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 /ˈsɪbɪləns/

sibilance

sonido susurrante
Meaning
A hissing or hushing sound, especially in speech with 's' or 'sh'.
Example
The poet used sibilance to create a soft, hissing effect in the verse.
El poeta usó la sibilancia para crear un efecto suave de siseo en el verso.
C2 noun /ˈsɪkəfənt/

sycophant

adulador
Meaning
A person who acts obsequiously toward someone important in order to gain advantage.
Example
The manager was surrounded by sycophants who agreed with everything he said.
El gerente estaba rodeado de aduladores que estaban de acuerdo con todo lo que decía.
C2 noun /ˈswɑːvɪti/

suavity

suavidad y encanto
Meaning
smoothness and charm in manner
Example
His suavity made him popular in social gatherings.
Su suavidad lo hizo popular en reuniones sociales.
C2 noun /ˈsætræp/

satrap

satrapa
Meaning
a governor of a province in ancient Persia; also used figuratively for a subordinate ruler
Example
The king appointed a satrap to oversee the distant province.
El rey nombró a un satrapa para supervisar la provincia distante.
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 adjective /ˈsɪmiən/

simian

simio
Meaning
Relating to, resembling, or affecting apes or monkeys.
Example
The scientist studied the simian behavior of the chimpanzees.
El científico estudió el comportamiento simio de los chimpancés.
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 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 adjective /ˈsteɪ.dʒi/

stagy

excesivamente teatral
Meaning
Overly theatrical, artificial, or exaggerated in manner or style.
Example
Her performance felt stagy and unnatural.
Su actuación se sintió excesivamente teatral y antinatural.
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 /ˈstænʃən/

stanchion

poste de soporte
Meaning
a strong upright bar or post used as support or to control movement
Example
The red rope was attached to the stanchions to guide the crowd.
La cuerda roja estaba unida a los estanchiones para guiar a la multitud.
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 noun /ˈseɪnjər/

seignior

señor feudal
Meaning
A feudal lord; a man of authority in medieval Europe.
Example
The seignior demanded taxes from the peasants.
El señor feudal exigió impuestos a los campesinos.
C2 verb /slʌf/ or /sluː/

slough

desprender la piel / zona pantanosa
Meaning
To shed or cast off (like dead skin); also a swampy or muddy area.
Example
The snake sloughed off its old skin.
La serpiente se desprendió de su piel vieja.
C2 adjective /ˌsɛm.iˈkɒn.ʃəs/

semiconscious

semi-consciente
Meaning
Only partly conscious; not fully aware of surroundings.
Example
He was semiconscious after the accident and could barely respond.
Él estaba semi-consciente después del accidente y apenas podía responder.
C2 noun /ˈsiːkənt/

secant

secante
Meaning
A straight line that intersects a curve at two or more points.
Example
In geometry, a secant cuts the circle at two distinct points.
En geometría, un secante corta el círculo en dos puntos distintos.
C2 noun /ˌsɪnjuˈɒsɪti/

sinuosity

sinuosidad
Meaning
The quality or state of being winding, curving, or having many turns.
Example
The sinuosity of the river made navigation challenging.
La sinuosidad del río hizo que la navegación fuera desafiante.
C2 noun /ˈʃɪbəˌlɛθ/

shibboleth

expresión o creencia distintiva de un grupo particular
Meaning
A custom, phrase, or belief distinguishing a particular group of people, often used to identify outsiders.
Example
The phrase became a political shibboleth during the campaign.
La frase se convirtió en un shibboleth político durante la campaña.
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 /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 /ˈsɪmpəltən/

simpleton

persona tonta
Meaning
a foolish or gullible person
Example
They treated him like a simpleton who could not understand anything complex.
Lo trataron como una persona tonta que no podía entender nada complejo.
C2 noun /ˈsækrɪsti/

sacristy

sacristía
Meaning
a room in a church where sacred vessels and vestments are kept
Example
The priest entered the sacristy before the mass began.
El sacerdote entró en la sacristía antes de que comenzara la misa.
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 /ˈseɪpiənt/

sapient

sabio
Meaning
Wise, or appearing to be wise.
Example
The professor gave a sapient response to the complex question.
El profesor dio una respuesta sabia a la compleja pregunta.
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 /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 /ˈsɜːfdəm/

serfdom

servidumbre
Meaning
The status or condition of being a serf, bound to work for a lord.
Example
Many peasants in medieval Europe lived under serfdom.
Muchos campesinos en la Europa medieval vivían bajo la servidumbre.
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 noun /ˈsʌbtərˌfjuːdʒ/

subterfuge

subterfugio
Meaning
Deceit used to achieve one's goal; a trick or excuse to evade something.
Example
They used subterfuge to avoid paying taxes.
Usaron subterfugio para evitar pagar impuestos.
C2 adjective /ˌsuːdəˈrɪfɪk/

sudorific

sudorífico
Meaning
causing or increasing sweating
Example
The doctor prescribed a sudorific drug to help reduce the fever.
El doctor recetó un medicamento sudorífico para reducir la fiebre.
C2 noun /ˈstrɪndʒənsi/

stringency

rigidez
Meaning
the quality of being strict, precise, or severe
Example
The stringency of the new rules surprised everyone.
La rigidez de las nuevas reglas sorprendió a todos.
C2 noun /ˌsuː.pər.əˈbʌn.dəns/

superabundance

superabundancia
Meaning
An excessive or overflowing amount of something.
Example
The garden was filled with a superabundance of flowers.
El jardín estaba lleno de una superabundancia de flores.
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 /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 /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 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 /spraɪ/

spry

ágil
Meaning
active and lively, especially in old age
Example
The spry grandmother surprised everyone with her quick dance steps.
La abuela ágil sorprendió a todos con sus rápidos pasos de baile.
C2 noun /səbˈdʌk.ʃən/

subduction

El movimiento lateral y hacia abajo de una capa de la corteza terrestre hacia el manto debajo de otra capa.
Meaning
The lateral and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
Example
The Pacific Ring of Fire is an area of intense subduction.
El anillo de fuego del Pacífico es un área de intensa subducción.
C2 adjective /ˈslɪpʃɒd/

slipshod

desordenado, negligente
Meaning
done in a careless, sloppy, or untidy way
Example
The project failed due to slipshod planning.
El proyecto fracasó debido a la planificación desordenada.
C2 verb /sleɪk/

slake

calmar la sed
Meaning
To satisfy thirst or desire.
Example
She drank cold water to slake her thirst.
Ella bebió agua fría para calmar su sed.
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 /sʌbˈlɪŋɡwəl/

sublingual

sublingual
Meaning
situated or applied under the tongue
Example
The doctor prescribed a sublingual tablet for faster absorption.
El doctor recetó una tableta sublingual para una absorción más rápida.
C2 verb /ˈsʌplɪˌkeɪt/

supplicate

suplicar
Meaning
To ask for something earnestly or humbly, often in a religious context.
Example
The villagers supplicated the gods for rain during the drought.
Los aldeanos suplicaron a los dioses por lluvia durante la sequía.
C2 noun /ˌspoʊliˈeɪʃən/

spoliation

destrucción
Meaning
The act of destroying or ruining something, often evidence or property.
Example
The court punished the company for the spoliation of evidence.
El tribunal castigó a la empresa por la destrucción de pruebas.