skullduggery
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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 /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 adjective /suːˈpɜːrnəl/

supernal

celestial
Meaning
Relating to the heavens; celestial or divine.
Example
The painting captured a supernal beauty that felt otherworldly.
La pintura capturó una belleza celestial que se sentía de otro mundo.
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 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 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 /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 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 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 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 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 /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 /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 /sɒmˈnæmbjʊlɪst/

somnambulist

sonámbulo
Meaning
A person who sleepwalks.
Example
The somnambulist wandered out of the house at night.
El sonámbulo salió de la casa por la noche.
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 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 /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 /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 /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 /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 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 /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 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 adjective /ˈsʌpliənt/

suppliant

suplicante
Meaning
Humbly or earnestly asking for something, especially from a person in authority.
Example
The suppliant man begged for mercy at the king's feet.
El hombre suplicante pidió misericordia a los pies del rey.
C2 noun /ˈsoʊbrɪˌkeɪ/

sobriquet

apodo
Meaning
a person's nickname or descriptive name
Example
The famous leader was known by the sobriquet 'The Iron Lady'.
El famoso líder era conocido por el apodo 'La Dama de Hierro'.
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 /sɪˈnɜːrdʒɪk/

synergic

sinérgico
Meaning
Working together in a cooperative and effective manner.
Example
The two departments have a synergic relationship that boosts productivity.
Los dos departamentos tienen una relación sinérgica que aumenta la productividad.
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 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 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 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 verb /ˈsʌli/

sully

manchar
Meaning
to damage the purity, integrity, or reputation of something
Example
The scandal sullied the politician’s reputation.
El escándalo manchó la reputación del político.
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 /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 /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 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 /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 adjective /stəˈkɑː.təʊ/

staccato

detallado y separado
Meaning
short and detached in sound or style, often used in music
Example
The pianist played the notes in a staccato rhythm.
El pianista tocó las notas en un ritmo estacato.
C2 verb /swɪl/

swill

beber codiciosamente
Meaning
to drink something greedily or in large amounts
Example
He swilled down the beer in seconds.
Él bebió la cerveza en segundos.
C2 noun /ˈsɛnʃəns/

sentience

sentiencia
Meaning
The capacity to feel, perceive, or experience subjectively.
Example
Many argue that animals possess sentience.
Muchos argumentan que los animales poseen sentiencia.
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 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 noun /ˈskɔːrpiən fɪʃ/

Scorpion fish

pez escorpión
Meaning
a type of fish with venomous spines that belongs to the family Scorpaenidae
Example
The scorpion fish has dangerous spines that can inject venom.
El pez escorpión tiene espinas peligrosas que pueden inyectar veneno.
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 adjective /ˌstaʊtˈhɑːrtɪd/

stouthearted

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

spherometer

esferómetro
Meaning
An instrument used for measuring the curvature of spherical surfaces.
Example
The scientist used a spherometer to measure the lens curvature.
El científico usó un esferómetro para medir la curvatura de la lente.
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 noun /strəˈmoʊ.ni.əm ˌflaʊ.ər/

Stramonium flower

flor de estramonio
Meaning
A trumpet-shaped white or purple flower from the jimsonweed plant, known for its toxic properties
Example
The stramonium flower blooms at night with a sweet fragrance.
La flor de estramonio florece de noche con una fragancia dulce.
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 /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 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 /səˈleɪʃəs/

salacious

lascivo
Meaning
Having or conveying undue or inappropriate sexual interest.
Example
The tabloid published a salacious story about the celebrity.
El tabloide publicó una historia lasciva sobre la celebridad.
C2 adjective /səˈluːtəˌtɔri/

salutatory

discurso de saludo
Meaning
Relating to or expressing a greeting or an address, especially at the beginning of a speech.
Example
She delivered a salutatory address at the graduation ceremony.
Ella pronunció un discurso de saludo en la ceremonia de graduación.
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 verb /ˈsʌbdʒʊˌɡeɪt/

subjugate

subyugar
Meaning
To bring under domination or control, especially by conquest.
Example
The empire sought to subjugate the neighboring kingdoms.
El imperio trató de subyugar a los reinos vecinos.
C2 noun /səˈlɪsɪˌtuːd/

solicitude

preocupación, cuidado
Meaning
Care or concern for someone or something.
Example
His mother showed great solicitude for his safety.
Su madre mostró gran preocupación por su seguridad.
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 adjective /ˈstɒlɪd/

stolid

calmo, imperturbable
Meaning
Calm, dependable, and showing little emotion or animation.
Example
Despite the chaos around him, he remained stolid and composed.
A pesar del caos a su alrededor, permaneció tranquilo y sereno.
C2 noun /ˈspɒt.ɪd sneɪk hed/

Spotted snake head

pez cabeza de serpiente moteada
Meaning
a type of freshwater fish with spotted markings and an elongated head resembling a snake
Example
The spotted snake head is a popular fish for aquaculture in South Asia.
El pez cabeza de serpiente moteada es popular para la acuicultura en el sur de Asia.
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.
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 /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 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 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 /ˈʃaɪstər/

shyster

estafador
Meaning
a person, especially a lawyer, who uses unscrupulous or dishonest methods
Example
The businessman was exposed as a shyster who cheated clients.
El hombre de negocios fue expuesto como un estafador que engañaba a los clientes.
C2 noun /ˈsʊrmə fɪʃ/

Surma fish

pez Surma
Meaning
a freshwater fish species found in the Surma river system of Bangladesh and northeastern India
Example
Surma fish is native to the rivers of Sylhet region.
El pez Surma es originario de los ríos de la región de Sylhet.
C2 verb /səbˈsjuːm/

subsume

incluir
Meaning
To include or absorb something into a larger group or category.
Example
Minor details were subsumed under the main topic.
Los detalles menores fueron subsumidos bajo el tema principal.
C2 adjective /ˈspɔːrtɪv/

sportive

deportivo
Meaning
Playful, lively, or full of fun.
Example
The children were in a sportive mood during the picnic.
Los niños estaban en un estado de ánimo deportivo durante el picnic.
C2 noun /sfɛˈrɪsɪti/

sphericity

esfericidad
Meaning
The quality or state of being spherical; roundness.
Example
The sphericity of the ball made it roll smoothly on the ground.
La esfericidad de la pelota permitió que rodara suavemente sobre el suelo.
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 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 /ˈsɒfɪzəm/

sophism

sofisma
Meaning
a clever but misleading argument; fallacious reasoning
Example
The politician's speech was full of sophism designed to mislead voters.
El discurso del político estaba lleno de sofismo diseñado para engañar a los votantes.
C2 noun/verb /ˈsʌkər/

succor

socorro
Meaning
Assistance and support in times of hardship or distress.
Example
The charity provided succor to the flood victims.
La caridad proporcionó socorro a las víctimas de las inundaciones.
C2 noun /ˌsɒ̃ˈfrwɑː/

sangfroid

autocontrol
Meaning
Composure or coolness under pressure.
Example
She impressed everyone with her sangfroid during the interview.
Ella impresionó a todos con su autocontrol durante la entrevista.
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 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 /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 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 noun /ˈsuːθˌseɪər/

soothsayer

adivino
Meaning
a person who claims to predict the future
Example
The king consulted a soothsayer before going to war.
El rey consultó a un adivino antes de ir a la guerra.
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 /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 /ˌsɪkəˈfæntɪk/

sycophantic

sicomático
Meaning
Behaving in a way that is excessively obedient or servile to gain favor.
Example
His sycophantic behavior annoyed his colleagues.
Su comportamiento sicomático molestaba a sus compañeros de trabajo.
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 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 verb /ˌsuːpərˈhiːt/

superheat

sobrecalentar
Meaning
to heat a substance beyond its normal boiling point without it becoming vapor
Example
Engineers superheat the steam to increase the efficiency of the turbine.
Los ingenieros sobrecalientan el vapor para aumentar la eficiencia de la turbina.
C2 noun /ˈsɛpəlˌtʃər/

Sepulture

sepulcro; tumba;
Meaning
the act of burying a dead body; burial; a grave or tomb
Example
The ancient king's sepulture was discovered by archaeologists.
El sepulcro del antiguo rey fue descubierto por los arqueólogos.
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 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 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 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 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 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 /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 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 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 noun /ˈsɪʒ.ən/

scission

cisión
Meaning
the act of cutting or dividing something
Example
The political party suffered a scission over ideological disputes.
El partido político sufrió una cisión debido a disputas ideológicas.
C2 noun /ˈsɪŋkrəˌnɪzəm/

synchronism

sincronización
Meaning
The simultaneous occurrence of events or actions.
Example
The synchronism of the dancers' movements amazed the audience.
La sincronización de los movimientos de los bailarines sorprendió al público.
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 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 /ˈsɪbəraɪt/

sybarite

síbarita
Meaning
a person who loves luxury and pleasure
Example
The millionaire was a true sybarite who lived only for comfort and enjoyment.
El millonario era un verdadero síbarita que vivía solo para la comodidad y el disfrute.
C2 noun /ˈspæŋɡəl/

spangle

adornos brillantes
Meaning
A small shiny piece of metal or plastic used for decoration on clothes.
Example
Her dress was covered with silver spangles that glittered in the light.
Su vestido estaba cubierto de adornos brillantes plateados que brillaban a la luz.
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 adjective /ˈsʌb.æs.ɪd/

subacid

ligeramente ácido
Meaning
Slightly sour or acidic in taste or nature.
Example
The fruit had a subacid flavor that was refreshing on a hot day.
La fruta tenía un sabor ligeramente ácido que era refrescante en un día caluroso.
C2 noun /səbˈsɜːviəns/

subservience

subyugación
Meaning
the condition of being too willing to obey or serve others
Example
His subservience to authority annoyed his colleagues.
Su subyugación a la autoridad molestó a sus colegas.
C2 adjective /ˈsiːmli/

seemly

apropiado
Meaning
proper or appropriate in behavior or appearance
Example
It was not seemly to argue loudly during the ceremony.
No era apropiado discutir en voz alta durante la ceremonia.
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 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 /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 /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 /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 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 /ˈskɪnˌflɪnt/

skinflint

tacaño
Meaning
a person who spends as little money as possible; a miser
Example
The landlord was such a skinflint that he never repaired anything.
El dueño era tan tacaño que nunca reparaba nada.
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 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 noun /sʌnd raɪs/

Sunned rice

arroz secado al sol
Meaning
Rice that has been dried in the sun; parched rice
Example
The farmers spread the sunned rice on mats to dry completely.
Los agricultores extendieron el arroz secado al sol sobre alfombras para que se secara completamente.
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 /ˈspɛndˌθrɪft/

spendthrift

derrochador
Meaning
A person who spends money extravagantly or wastefully.
Example
The young prince was known as a spendthrift, wasting his fortune on lavish parties.
El joven príncipe era conocido como un derrochador, desperdiciando su fortuna en fiestas lujosas.
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 verb /ˈskærɪfaɪ/

scarify

escarificar
Meaning
to make shallow cuts or scratches; to loosen the surface of soil
Example
The farmer scarified the soil before planting seeds.
El agricultor escarificó el suelo antes de sembrar las semillas.