sibylline
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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.
C1 noun /ˈstɛnsəl/

stencil

plantilla
Meaning
A thin sheet of material with a design cut out, used to produce the design on the surface below by applying paint or ink through the cut-out holes.
Example
The artist used a stencil to paint identical stars on the wall.
El artista usó una plantilla para pintar estrellas idénticas en la pared.
C1 verb /səˈlɪdəˌfaɪ/

solidify

solidificar
Meaning
To make something firm, strong, or more certain.
Example
The company solidified its position in the market.
La empresa solidificó su posición en el mercado.
B2 adjective /self səˈfɪʃənt/

Self-sufficient

autosuficiente
Meaning
able to provide for oneself without depending on others
Example
The farm is completely self-sufficient in producing vegetables.
La granja es completamente autosuficiente en la producción de verduras.
C1 noun /sɪlk klɔːθ/

Silk cloth

tela de seda
Meaning
fabric made from natural fibers produced by silkworms
Example
The bride wore a beautiful dress made of silk cloth.
La novia llevaba un hermoso vestido hecho de tela de seda.
B2 noun /ˈʃuːtɪŋ/

shooting

rodaje
Meaning
the action of shooting a gun, camera, or similar device
Example
The shooting of the movie took several months.
El rodaje de la película tomó varios meses.
C1 noun, adjective, verb /ʃæm/

sham

farsa
Meaning
something that is not what it appears to be; a false or fake thing; to pretend
Example
The deal turned out to be a sham.
El trato resultó ser una farsa.
B1 adjective /ˈskɪlfʊl/

Skilful

habilidoso; experto; diestro
Meaning
having or showing skill; expert and accomplished
Example
The skilful surgeon performed the operation with great precision.
El cirujano habilidoso realizó la operación con gran precisión.
C1 noun səˈsteɪnəbəl ˈpræktɪsɪz

sustainable practices

prácticas sostenibles
Meaning
Methods and activities that can be maintained over time without depleting natural resources or harming the environment.
Example
Sustainable practices are vital for environmental preservation.
Las prácticas sostenibles son vitales para la preservación del medio ambiente.
A2 verb /sɜːrtʃ/

search

buscar
Meaning
to look carefully for someone or something; to examine thoroughly
Example
The police searched the house for evidence.
La policía registró la casa en busca de pruebas.
C1 noun /ˈsɛdətɪv/

sedative

sedante
Meaning
A substance that calms the nerves or induces sleep.
Example
The doctor prescribed a sedative to help the patient sleep.
El doctor recetó un sedante para ayudar al paciente a dormir.
C1 adjective /ˈskɪtɪʃ/

skittish

nervioso
Meaning
easily frightened or nervous; unpredictable
Example
The horse was too skittish to ride.
El caballo estaba demasiado nervioso para montar.
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 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.
B2 verb /stɪŋ/

sting

picar
Meaning
to pierce with a sharp point; to cause sharp pain
Example
The bee stung him on his arm while he was gardening.
La abeja lo picó en el brazo mientras él estaba jardineando.
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.
B1 adjective /ˈsɔːlti/

Salty

salado
Meaning
having the taste of salt; containing salt; tasting of seawater
Example
The salty ocean water made her thirsty.
El agua salada del océano la hizo tener sed.
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.
B2 adjective /ˈskɑː.lət/

Scarlet

escarlata
Meaning
a bright red color with a slightly orange tinge
Example
The scarlet roses in the garden looked magnificent in the morning light.
Las rosas escarlatas en el jardín se veían magníficas a la luz de la mañana.
C1 adjective /sɑːrˈdɒnɪk/

sardonic

felicidad
Meaning
Grimly mocking or cynical.
Example
She gave him a sardonic smile after hearing his excuse.
Ella no pudo ocultar su felicidad cuando recibió el premio.
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.
B2 noun /ˈstiː.mər/

Steamer

vapor
Meaning
a ship or boat powered by steam engines
Example
The old steamer crossed the river slowly.
El viejo vapor cruzó el río lentamente.
C1 verb /sɪft/

sift

tamizar / examinar cuidadosamente
Meaning
to separate or sort through carefully, often using a sieve or by examining closely
Example
She sifted the flour before adding it to the cake mixture.
Ella tamizó la harina antes de agregarla a la mezcla del pastel.
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 /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.
B2 verb /ʃrʌɡ/

shrug

encogerse de hombros
Meaning
To raise and lower the shoulders to express uncertainty or indifference.
Example
He shrugged when asked about the missing file.
Él se encogió de hombros cuando le preguntaron sobre el archivo perdido.
C1 adjective /ˈsliːzi/

sleazy

de mala calidad, inmoral o barato
Meaning
morally low, dirty, or cheap in quality
Example
He avoided the sleazy nightclub downtown.
Él evitó el club nocturno sórdido en el centro.
C1 verb /siːð/

seethe

hirviendo de rabia
Meaning
To be filled with intense but unexpressed anger or agitation.
Example
She was seething with anger after the unfair decision.
Ella estaba hirviendo de rabia después de la decisión injusta.
C1 adjective /ˈsʌbstəntɪv/

substantive

importante
Meaning
Having a firm basis in reality; important, meaningful, or considerable.
Example
The company made substantive changes to its policy.
La compañía hizo cambios importantes en su política.
B2 noun /ˌsɛkʃuˈæləti/

sexuality

sexualidad
Meaning
a person's capacity for sexual feelings and orientation
Example
She spoke openly about her sexuality and identity.
Ella habló abiertamente sobre su sexualidad e identidad.
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 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 /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.
B2 noun /ˌsɪm.ɪˈlær.ə.ti/

Similarity

similitud; semejanza
Meaning
the quality or state of being similar; resemblance
Example
There is a striking similarity between the two paintings.
Hay una similitud sorprendente entre las dos pinturas.
A2 adjective /ʃaɪ/

Shy

tímido; vergonzoso
Meaning
nervous or timid in the company of other people
Example
The shy student rarely spoke up in class discussions.
El estudiante tímido rara vez participaba en las discusiones de clase.
B2 noun ˌsensɪˈtɪvɪti

sensitivity

sensibilidad
Meaning
The quality or condition of being sensitive; responsiveness to stimuli.
Example
Bose proved plant sensitivity through experiments.
Bose demostró la sensibilidad de las plantas a través de experimentos.
B2 adjective /slæk/

slack

flojo
Meaning
not tight, firm, or busy; lacking tension or activity
Example
Business is slack during the rainy season.
El negocio está flojo durante la temporada de lluvias.
C1 verb /skɒf/

scoff

burlarse
Meaning
to speak about something in a mocking or dismissive way
Example
He scoffed at the idea of moving abroad.
Él se burló de la idea de mudarse al extranjero.
C1 verb /ˈstoʊnwɔːl/

stonewall

bloquear
Meaning
To delay or block progress by refusing to cooperate or answer
Example
The witness tried to stonewall during the investigation.
El testigo intentó hacer stonewall durante la investigación.
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.
B1 noun /sʌm/

sum

suma
Meaning
the total amount resulting from the addition of two or more numbers or items
Example
The sum of 8 and 12 is 20.
La suma de 8 y 12 es 20.
C1 adjective /sɛkˈtɛəriən/

sectarian

sectario
Meaning
relating to or characterized by the differences between sects, often leading to conflict
Example
The region has been troubled by sectarian violence for decades.
La región ha estado atormentada por la violencia sectaria durante décadas.
B1 noun /ˈsʌn.set/

Sunset

puesta del sol
Meaning
the time in the evening when the sun disappears below the horizon
Example
The romantic sunset painted the sky in golden colors.
El romántico atardecer pintó el cielo con colores dorados.
C1 verb /ʃɪə/

shear

cortar
Meaning
to cut the wool off a sheep or to cut something with sharp tools like scissors or shears
Example
The farmer will shear the sheep in the spring.
El agricultor sheará la oveja en la primavera.
C1 adjective /səˈtɪrɪk/

satiric

satírico
Meaning
Relating to or using satire.
Example
The novel takes a satiric view of urban life.
La novela tiene una visión satírica de la vida urbana.
C1 adjective /ˈsiː.naɪl/

senile

debilidad relacionada con la vejez
Meaning
Showing the weaknesses of old age, especially mental decline.
Example
The old man became senile and forgot familiar faces.
El hombre viejo se volvió senil y olvidó rostros familiares.
B2 adjective /ˈskætərd/

Scattered

disperso; esparcido;
Meaning
spread widely apart; dispersed; occurring here and there
Example
Scattered showers are expected throughout the day.
Se esperan lluvias dispersas durante todo el día.
B1 noun /ˈʃæd.oʊ/

Shadow

sombra
Meaning
a dark area where light is blocked by something; a person's silhouette
Example
The tree cast a long shadow across the garden in the evening.
El árbol proyectó una larga sombra sobre el jardín por la tarde.
B2 noun sɔɪl ɪˈrəʊʒən

soil erosion

erosión del suelo
Meaning
The wearing away of topsoil by water, wind, or other natural forces.
Example
Soil erosion can lead to the loss of fertile land.
La erosión del suelo puede llevar a la pérdida de tierras fértiles.
A1 verb /siː/

see

ver
Meaning
to perceive with the eyes; to understand; to meet
Example
I can see the mountain from here.
Puedo ver la montaña desde aquí.
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.
B1 verb /spaɪ/

spy

espía
Meaning
to secretly collect information about a person, group, or country
Example
He was caught spying on his neighbor through the window.
Lo atraparon espiando a su vecino a través de la ventana.
B2 noun /ˈsʌb.sɪ.di/

subsidy

subsidio
Meaning
Financial assistance provided by government to reduce costs of goods or services.
Example
The government provides a fuel subsidy to control prices.
El gobierno proporciona un subsidio de combustible para controlar los precios.
B1 noun, verb /strɪŋ/

string

hilo
Meaning
a thin piece of cord or thread; to tie or fasten with a string
Example
She tied the package with a string.
Ella ató el paquete con un hilo.
B2 noun steɪks

stakes

apuesta
Meaning
A strong wooden or metal post with a point at one end, driven into the ground.
Example
The stakes were high for the success of the project.
Las apuestas eran altas para el éxito del proyecto.
B2 verb /ˈsteɪ.bə.laɪz/

stabilize

estabilizar
Meaning
to make something steady, secure, or unlikely to change suddenly
Example
The government took measures to stabilize the economy.
El gobierno tomó medidas para estabilizar la economía.
B2 noun/verb /skræp/

scrap

pedazo / descartar
Meaning
A small piece of something; to discard or get rid of something.
Example
He used a scrap of paper to jot down the number.
Usó un trozo de papel para anotar el número.
B2 noun /ˌstɪm.jəˈleɪ.ʃən/

stimulation

estimulación
Meaning
The action of arousing interest, enthusiasm, or excitement.
Example
Stimulation reduces stress and aids relaxation.
La estimulación reduce el estrés y ayuda a la relajación.
B2 noun /ˈskɛlɪtən/

skeleton

esqueleto
Meaning
The internal framework of bones that supports the body of a human or animal.
Example
The teacher showed the students a human skeleton in the biology class.
El maestro mostró a los estudiantes un esqueleto humano en la clase de biología.
C1 adjective /ˈsɪnləs/

Sinless

sin pecado; inocente; puro
Meaning
free from sin; pure and innocent; without moral fault
Example
The innocent child appeared sinless in her pure white dress.
La niña inocente apareció sin pecado con su vestido blanco puro.
A2 noun /ˈstjuːdiəʊ/

studio

estudio
Meaning
a room where an artist, photographer, musician, or broadcaster works
Example
The singer recorded her new song in the studio.
La cantante grabó su nueva canción en el estudio.
C1 noun /ˈspiːʃiː/

specie

moneda
Meaning
money in the form of coins rather than notes or credit
Example
The transaction was made in specie.
La transacción se hizo en monedas.
B1 noun /ˈsɛtʌp/

setup

configuración
Meaning
an arrangement of things or the way in which something is organized or prepared
Example
The setup of the event took hours to complete.
La configuración del evento tomó horas para completar.
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.
A1 noun /ˈswɪmɪŋ/

swimming

natación
Meaning
the activity or sport of moving through water using the limbs
Example
Swimming is a great way to stay fit and healthy.
La natación es una excelente manera de mantenerse en forma y saludable.
C1 adjective /sɪər/

Sear

marchito; seco; quemado
Meaning
withered; dried up; burned or scorched
Example
The sear leaves fell from the trees in autumn.
Las hojas secas cayeron de los árboles en otoño.
B2 adjective /ˈsoʊʃəbəl/

Sociable

sociable; amigable; extrovertido
Meaning
friendly and enjoys being with other people; outgoing
Example
She is very sociable and makes friends easily.
Ella es muy sociable y hace amigos fácilmente.
C1 adjective /sər'pæs.ɪŋ/

Surpassing

sobresaliente; superior; extraordinario
Meaning
exceeding; going beyond; outstanding
Example
Her surpassing beauty made everyone stop and stare.
Su belleza sobresaliente hizo que todos se detuvieran y la miraran.
B2 noun /ˈstɑːrt.ʌp/

startup

empresa emergente
Meaning
A newly established business, especially a small technology or business company that is just beginning operations.
Example
The startup secured funding from investors.
La startup consiguió financiación de los inversores.
A2 adverb /ˈsʌm.haʊ/

Somehow

de alguna manera;
Meaning
in some way; for some reason that is not clear
Example
Somehow, I managed to finish the project on time.
De alguna manera, logré terminar el proyecto a tiempo.
B2 noun /ˈstrʌk.tʃərz/

structures

estructuras
Meaning
Buildings or other objects constructed from several parts.
Example
The region has ancient structures.
La región tiene estructuras antiguas.
A2 adjective /sɔft/

Soft

suave; blando; tierno
Meaning
not hard or firm; gentle; quiet; tender
Example
The pillow is very soft and comfortable.
La almohada es muy suave y cómoda.
B2 noun /ˌsɒl.ɪˈdær.ə.ti/

Solidarity

solidaridad
Meaning
unity or agreement of feeling or action among individuals with a common interest
Example
The workers showed solidarity during the strike.
los trabajadores mostraron solidaridad durante la huelga.
A1 adjective strɒŋ

strong

fuerte
Meaning
Having the power to move heavy weights or perform other physically demanding tasks.
Example
A strong defense secures victory.
Una defensa fuerte asegura la victoria.
B2 noun /sɪlk/

silk

seda
Meaning
a fine, smooth fabric made from the threads produced by silkworms
Example
The dress was made of pure silk.
El vestido estaba hecho de seda pura.
C2 noun /seɪn/

seine

gran red
Meaning
A large fishing net that hangs vertically in the water.
Example
The fishermen cast their seine into the river.
Los pescadores echaron su gran red en el río.
B2 noun sɛlf rɪˈlaɪ.əns

self-reliance

autosuficiencia
Meaning
Reliance on one's own powers and resources rather than those of others; independence.
Example
Self-reliance helps build confidence.
La autosuficiencia ayuda a construir confianza.
C1 verb /səˈlɪsɪt/

solicit

solicitar
Meaning
to ask for or try to obtain something from someone
Example
The charity is soliciting donations for flood victims.
La caridad está solicitando donaciones para las víctimas de las inundaciones.
C1 noun /ˌsæbəˈtɜːr/

saboteur

saboteador
Meaning
A person who engages in sabotage.
Example
The saboteur was arrested before he could plant the bomb.
El saboteador fue arrestado antes de poder plantar la bomba.
B2 noun /ˈsɑːfmɔːr/

sophomore

estudiante de segundo año
Meaning
a student in their second year of study at a university or high school
Example
He’s a sophomore in college, studying computer science.
Él es un estudiante de segundo año en la universidad, estudiando ciencias de la computación.
C1 adjective /ˈskrʌmpʃəs/

scrumptious

exquisito
Meaning
extremely tasty or delicious
Example
She baked a scrumptious chocolate cake for the party.
Ella horneó un exquisito pastel de chocolate para la fiesta.
A2 adjective /skaɪ bluː/

Sky-blue

azul cielo
Meaning
a bright blue color like that of a clear sky
Example
Her sky-blue eyes sparkled in the sunlight.
Sus ojos azul cielo brillaban a la luz del sol.
B2 noun /ˈʃɛərˌhoʊldər/

shareholder

accionista
Meaning
an individual or organization that owns shares in a company
Example
Each shareholder has the right to vote at the annual meeting.
Cada accionista tiene derecho a votar en la reunión anual.
C1 noun səbˈsɪs.təns

subsistence

subsistencia
Meaning
The action or fact of maintaining or supporting oneself at a minimum level.
Example
Many farmers depend on subsistence agriculture.
Muchos agricultores dependen de la agricultura de subsistencia.
B2 noun /ˈstæm.ɪ.nə/

Stamina

resistencia
Meaning
the ability to sustain prolonged physical or mental effort
Example
Marathon runners need great stamina to complete the race.
Los corredores de maratón necesitan gran resistencia para completar la carrera.
B2 noun /spaɪn/

Spine

columna vertebral; soporte central de una estructura
Meaning
the backbone or vertebral column of a vertebrate; the central support of a structure
Example
She injured her spine in the accident.
Ella se lesionó la columna vertebral en el accidente.
C1 verb /ˈsɪnɚdʒaɪzd/

synergized

sincronizado, energizado, coordinado
Meaning
Combine in such a way that the total effect is greater than the sum of the individual effects.
Example
The teams were synergized to maximize productivity.
Los equipos fueron sincronizados para maximizar la productividad.
B2 adjective ˌsɪm.əlˈteɪ.ni.əs

simultaneous

simultáneo
Meaning
Occurring, operating, or done at the same time.
Example
Simultaneous crop failures affect global food supply.
Las fallas simultáneas de los cultivos afectan el suministro global de alimentos.
C1 noun /ˈstrɑːtəm/

stratum

estrato
Meaning
a layer or level of material, or a social class in society
Example
The upper stratum of society enjoyed privileges not available to others.
La capa superior de la sociedad disfrutaba de privilegios que no estaban disponibles para los demás.
C2 noun ˌsʌb.dʒʊˈɡeɪ.ʃən

subjugation

subyugación o dominación
Meaning
The action of bringing someone or something under domination or control, especially by force.
Example
The subjugation of weaker nations by colonial powers shaped history.
La subyugación de naciones más débiles por parte de potencias coloniales dio forma a la historia.
B2 verb, noun /stɔːl/

stall

detener, puesto pequeño
Meaning
to stop or cause to stop temporarily; a small shop or stand
Example
The car stalled on the way to the office.
El coche se detuvo en el camino hacia la oficina.
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.
A2 noun /soʊp/

Soap

jabón
Meaning
a cleaning agent made from fats or oils and used for washing
Example
Please wash your hands with soap and water.
Por favor, lávese las manos con jabón y agua.
C1 noun /sɔɪl ˈmæn.ɪdʒ.mənt/

soil management

gestión del suelo
Meaning
The application of operations, practices, and treatments to protect soil and enhance its performance.
Example
Proper soil management improves long-term agricultural productivity.
La gestión adecuada del suelo mejora la productividad agrícola a largo plazo.
C1 adjective /ˈspjʊəriəs/

spurious

falso / fraudulento
Meaning
Not genuine, authentic, or true; false or fake.
Example
The report was based on spurious claims.
El informe se basó en afirmaciones falsas.
C1 noun /strəˈtiː.dʒɪk ˈɪn.saɪts/

strategic insights

perspectivas estratégicas
Meaning
Deep understanding and wisdom gained through careful analysis for planning purposes.
Example
Strategic insights guide policymaking.
Las perspectivas estratégicas guían la toma de decisiones políticas.
C2 adjective /ˈsæpɪd/

sapid

sabroso
Meaning
Having a pleasant taste; flavorful.
Example
The chef prepared a sapid dish that delighted everyone at the table.
El chef preparó un plato sabroso que encantó a todos en la mesa.
A1 noun /skaɪ/

Sky

cielo
Meaning
the region of the atmosphere and outer space seen from the earth
Example
The sky is blue today.
El cielo está azul hoy.
C1 noun /ˈskaʊndrəl/

scoundrel

canalla
Meaning
a dishonest or unscrupulous person; a villain
Example
That scoundrel cheated the old man out of his savings.
Ese canalla engañó al anciano y le robó sus ahorros.
A2 adjective /ˈsɪr.i.əs/

Serious

grave; serio; importante;
Meaning
thoughtful; grave; requiring careful consideration; not joking
Example
This is a serious matter that needs immediate attention.
Este es un asunto serio que necesita atención inmediata.
B2 noun /stɑːr fɪʃ/

Star fish

estrella de mar
Meaning
a marine echinoderm with five or more radiating arms, typically found on the sea floor
Example
The starfish slowly moved across the ocean floor searching for food.
La estrella de mar se movía lentamente por el fondo del océano buscando comida.
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.
B1 verb /seɪl/

sail

navegar con velas
Meaning
to travel on water in a boat or ship using sails or by wind power
Example
They sailed across the Atlantic Ocean last summer.
Ellos navegaron a través del océano Atlántico el verano pasado.
B2 verb /swaɪp/

swipe

deslizar
Meaning
to move your finger across a touch screen or to hit with a sweeping motion
Example
He swiped left on the photo.
Él hizo un swipe a la izquierda en la foto.
C2 adjective /sɪˈbeɪʃəs/

sebaceous

relacionado con el sebo
Meaning
Relating to or secreting sebum, an oily substance from the skin.
Example
Acne is often caused by overactive sebaceous glands.
El acné a menudo es causado por glándulas sebáceas hiperactivas.
A2 noun ˈsɜːrvɪs

service

servicio
Meaning
An act of helping or doing work for someone.
Example
True education promotes the value of service to others.
La verdadera educación promueve el valor del servicio a los demás.
B2 noun /sɪmˈplɪsɪti/

Simplicity

simplicidad; claridad
Meaning
the quality of being simple; lack of complexity or intricacy
Example
The beauty of the design lies in its simplicity.
La belleza del diseño radica en su simplicidad.
A1 noun /siː/

Sea

mar
Meaning
a large body of salt water that covers most of the earth's surface
Example
We went swimming in the sea.
Fuimos a nadar en el mar.
C1 adjective /ˈsted.fæst/

Steadfast

firme; resuelto; inquebrantable
Meaning
firm in belief, determination, or adherence; unwavering
Example
She remained steadfast in her commitment to helping the poor.
Ella permaneció firme en su compromiso de ayudar a los pobres.
C1 noun /ˈseɪɑːns/

seance

sesión espiritista
Meaning
A meeting where people attempt to communicate with the spirits of the dead.
Example
They held a seance to contact their late grandmother.
Celebraron una sesión espiritista para contactar a su abuela fallecida.
B2 noun /ˈʃepərd/

Shepherd

pastor
Meaning
a person who tends and guards sheep
Example
The shepherd guided his flock to the green pasture.
El pastor guió su rebaño hacia el pasto verde.
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.
C1 verb /ˈstɪntɪŋ/

stinting

dar con tacañería
Meaning
to supply sparingly or with restrictions
Example
He never stinting his efforts to help the poor.
Él nunca escatima esfuerzos para ayudar a los pobres.
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.
B2 adjective sɪnˈθet̬.ɪk

synthetic

sintético
Meaning
Made by chemical synthesis, especially to imitate a natural product; artificial.
Example
Synthetic chemicals are used in processed foods.
Los productos químicos sintéticos se utilizan en los alimentos procesados.
C1 noun /ˈsɜːrəɡət/

surrogate

sustituto
Meaning
A substitute, especially a person deputizing for another in a specific role or office.
Example
The surrogate mother gave birth to the child after carrying it for nine months.
La madre sustituta dio a luz al niño tras llevarlo durante nueve meses.
C1 adjective /ˌsuː.pəˈsɒn.ɪk/

Supersonic

más rápido que la velocidad del sonido; relacionado con velocidades mayores que la del sonido
Meaning
faster than the speed of sound; relating to speeds greater than the speed of sound
Example
The supersonic jet broke the sound barrier.
El avión supersónico rompió la barrera del sonido.
C2 noun /ˈsɒfɪst/

sophist

sofista
Meaning
a person who uses clever but misleading arguments
Example
He was dismissed as a sophist who twisted facts to win debates.
Lo despidieron como un sofista que retorcía los hechos para ganar debates.
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.
C1 noun /ˈskaɪ.lɑːrk/

Sky-Lark

alondra
Meaning
a small brown bird known for singing while flying high in the sky
Example
The skylark sang beautifully as it soared above the meadow.
La alondra cantó hermosamente mientras se elevaba sobre el prado.
C1 adjective /ˈspel.baʊnd/

Spellbound

hechizado; cautivado
Meaning
completely fascinated and unable to move or think about anything else; enchanted
Example
The children sat spellbound as the magician performed his tricks.
Los niños se quedaron hechizados mientras el mago hacía sus trucos.