stencil
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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.
B2 noun sliːp ˌdɛprɪˈveɪʃən

sleep deprivation

falta de sueño
Meaning
The condition of not having enough sleep; lack of adequate sleep.
Example
Sleep deprivation can severely impact mental health.
La falta de sueño puede afectar gravemente la salud mental.
B2 noun ˈsəʊ.ʃəl ˈdʒʌs.tɪs

social justice

justicia social
Meaning
Justice in terms of the distribution of wealth, opportunities, and privileges within a society.
Example
Social justice ensures equality of opportunity.
La justicia social asegura la igualdad de oportunidades.
B2 noun /ˈseɪf.ɡɑːrd/

Safeguard

salvaguarda
Meaning
measure or action designed to protect someone or something
Example
New safeguards were implemented to prevent data breaches.
Se implementaron nuevas salvaguardas para prevenir violaciones de datos.
B2 verb /sniːk/

sneak

moverse en secreto
Meaning
to move quietly and secretly to avoid being noticed
Example
He tried to sneak into the house without waking anyone.
Trató de colarse en la casa sin despertar a nadie.
A2 noun /ʃɛlf/

shelf

estante
Meaning
a flat surface used for storing or displaying things, typically fixed to a wall or inside a cabinet
Example
I placed the books on the shelf next to the window.
Puse los libros en el estante junto a la ventana.
C1 verb /sɪndʒ/

singe

quemar ligeramente
Meaning
To burn something superficially or lightly, especially at the edges.
Example
The fire singed his eyebrows.
El fuego le quemó las cejas.
A2 noun /ˈswɛtər/

sweater

suéter
Meaning
a warm knitted piece of clothing worn on the upper body
Example
She wore a red sweater to keep warm in the cold weather.
Ella llevó un suéter rojo para mantenerse abrigada en el clima frío.
B2 noun ˈstræt.ɪ.dʒiz

strategies

estrategias
Meaning
A plan of action designed to achieve a long-term or overall aim; the art of planning and directing operations.
Example
Effective strategies can mitigate climate change impacts.
Las estrategias efectivas pueden mitigar los impactos del cambio climático.
B1 adverb /spəˈsɪfɪkli/

specifically

específicamente
Meaning
in a clear and exact way
Example
He was specifically asked to handle the finances.
Se le pidió específicamente que manejara las finanzas.
C1 adjective /ˈstɪltɪd/

stilted

artificial, forzado
Meaning
Speech or writing that is stiff, unnatural, or overly formal.
Example
His speech sounded stilted and rehearsed.
Su discurso sonaba forzado y ensayado.
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.
C1 adjective /ˈʃɑːdi/

shoddy

de mala calidad
Meaning
badly made or done; of poor quality
Example
The contractor did a shoddy job on the repairs.
El contratista hizo un trabajo de mala calidad en las reparaciones.
C1 noun /ˈsɜːrtʃɑːrdʒ/

surcharge

recargo adicional
Meaning
an additional charge or payment added to the usual cost
Example
The airline ticket had a fuel surcharge added to it.
El boleto de avión tenía un recargo por combustible agregado.
A1 verb /ʃoʊ/

show

mostrar
Meaning
to display or present something to others; to make visible
Example
Can you show me the way to the station?
¿Puedes mostrarme el camino a la estación?
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.
B2 noun ˈskeə.sɪ.ti

scarcity

escasez
Meaning
The state of being scarce or in short supply; shortage.
Example
Water scarcity threatens agriculture.
La escasez de agua amenaza la agricultura.
A1 noun /skuːl/

school

escuela
Meaning
An institution for educating children; also a group of people sharing the same ideas or discipline.
Example
The children walked to school together.
Los niños caminaron juntos a la escuela.
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 verb ˈsɪn.θə.saɪ.zɪŋ

synthesizing

sintetizar, combinar, presentar de forma coherente
Meaning
Combine (a number of things) into a coherent whole.
Example
He excels in synthesizing ideas from different sources.
Él sobresale en sintetizar ideas de diferentes fuentes.
B2 noun /ˈsɛnsər/

sensor

felicidad
Meaning
a device that detects or measures a physical property and records, indicates, or responds to it
Example
The motion sensor turned on the light automatically.
Ella no pudo esconder su felicidad cuando recibió el premio.
B2 adjective /ˈsʌb.sɪ.kwənt/

subsequent

subsecuente
Meaning
Coming after something in time; following in time or order.
Example
Subsequent events clarified the outcomes.
Los eventos subsecuentes aclararon los resultados.
C1 noun /səbˈvɜːrʒən/

subversion

subversión
Meaning
the act of trying to destroy or undermine an established system or authority
Example
The government accused the rebels of planning subversion.
El gobierno acusó a los rebeldes de planear una subversión.
B2 adjective /ˈsɪr.i.əl/

Serial

serial; consecutivo
Meaning
happening in a series; consecutive; arranged in order
Example
The serial killer was finally caught after years of investigation.
El asesino en serie fue finalmente atrapado después de años de investigación.
B1 adverb /sɪɡˈnɪfɪkəntli/

significantly

significativamente
Meaning
in a way that is large or important enough to have an effect
Example
The economy has significantly improved over the last decade.
La economía ha mejorado significativamente en la última década.
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 /ˈspɛktər/

specter

espectro
Meaning
A ghost or spirit; something that causes fear or dread.
Example
The specter of war still haunts the region.
El espectro de la guerra todavía acecha la región.
B1 noun/adjective /ˈsmoʊ.kɪŋ/

smoking

fumar
Meaning
The act of inhaling and exhaling the smoke of tobacco or other substances; wearing a tuxedo (adjective, formal context).
Example
Smoking is prohibited inside the building.
Fumar está prohibido dentro del edificio.
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.
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.
C1 adjective /ˈstrætɪfaɪd/

stratified

estratificado
Meaning
arranged or classified in layers or strata
Example
Society in the past was highly stratified based on class and wealth.
La sociedad en el pasado estaba altamente estratificada según la clase y la riqueza.
A2 adjective /ˈsɪŋɡəl/

single

único
Meaning
only one; not one of several
Example
She bought a single ticket for the concert.
Ella compró un boleto sencillo para el concierto.
B2 noun /sɪv/

Seive

colador
Meaning
a utensil consisting of a wire or plastic mesh held in a frame, used for straining solids from liquids
Example
She used a sieve to separate the flour from lumps.
Ella usó un colador para separar la harina de los grumos.
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.
C1 verb /ˈstæɡ.neɪt/

stagnate

estancarse
Meaning
to stop developing, progressing, or moving
Example
Without innovation, the business will stagnate.
sin innovación, el negocio se estancará.
C1 noun /sərˈveɪər/

surveyor

topógrafo
Meaning
A person who measures and maps land, buildings, or other features.
Example
The surveyor measured the land for construction.
El topógrafo midió la tierra para la construcción.
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 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.
B2 noun ˈsɛv.ən ˈwʌn.dərz

Seven Wonders

las siete maravillas
Meaning
The seven most remarkable and famous structures in the world, representing architectural feats and cultural significance.
Example
The Seven Wonders of the world reflect human brilliance.
Las Siete Maravillas del mundo reflejan la brillantez humana.
A1 verb /spend/

spend

gastar
Meaning
to use money to buy something; to pass time
Example
I spend too much money on books.
Gasto demasiado dinero en libros.
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.
A2 noun /ˈstʌmək/

Stomach

estómago
Meaning
the organ in the body where food is digested; the belly or abdomen
Example
My stomach hurts after eating too much.
Me duele el estómago después de comer demasiado.
C1 noun, verb /səˈpiːnə/

subpoena

citación judicial
Meaning
a legal document ordering someone to attend court; to summon someone with such a document
Example
The witness received a subpoena to appear in court next week.
El testigo recibió una citación judicial para comparecer en la corte la próxima semana.
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 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.
B2 noun /səˈvaɪvl/

survival

supervivencia
Meaning
the state of continuing to live or exist, typically in difficult conditions
Example
Survival in the wild can be a challenging experience.
La supervivencia en la naturaleza puede ser una experiencia desafiante.
C1 verb /ˈskʌt.əl/

scuttle

felicidad
Meaning
To run hurriedly with short, quick steps; or to deliberately sink a ship.
Example
The children scuttled back to their seats when the teacher entered.
Ella no podía ocultar su felicidad cuando recibió el premio.
B2 noun /ˈspætʃ.ʊ.lə/

Spatula

espátula
Meaning
a kitchen utensil with a flat, flexible blade used for mixing, spreading, or lifting food
Example
I used a spatula to flip the pancakes in the pan.
Usé una espátula para voltear los panqueques en la sartén.
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.
C1 noun, adjective, verb /səˈbɔːrdənət/ (noun/adjective), /səˈbɔːrdəˌneɪt/ (verb)

subordinate

subordinado
Meaning
lower in rank or position; to treat as less important
Example
He manages ten subordinates in his department.
Él gestiona diez subordinados en su departamento.
B2 adjective /ˈsɪk.li/

Sickly

débil; enfermizo; pálido
Meaning
weak and unhealthy; prone to illness; appearing weak or pale
Example
The sickly child needed extra care and attention.
El niño enfermizo necesitaba atención y cuidados especiales.
C1 noun /ˈskɛptɪk/

skeptic

escéptico
Meaning
A person who doubts or questions accepted beliefs or claims.
Example
The scientist was a skeptic of theories without solid evidence.
El científico era escéptico de las teorías sin evidencia sólida.
B2 noun /ˈskændəl/

scandal

escándalo
Meaning
an event or action that causes public outrage or damage to one's reputation
Example
The politician's affair became a public scandal.
El asunto del político se convirtió en un escándalo público.
A2 verb /ʃeɪk/

shake

sacudir
Meaning
to move quickly back and forth; to tremble
Example
The earthquake made the building shake.
El terremoto hizo que el edificio se sacudiera.
B1 noun /ʃeɪm/

Shame

vergüenza
Meaning
a painful feeling of humiliation or distress; something regrettable
Example
He felt deep shame for his dishonest behavior at work.
Sintió una profunda vergüenza por su comportamiento deshonesto en el trabajo.
C1 noun /ˈspaɪər/

spire

aguja
Meaning
a tall, pointed structure on top of a building, especially a church
Example
The church spire could be seen from miles away.
La aguja de la iglesia se podía ver desde kilómetros de distancia.
C1 adjective /ˈsɛnʃuəl/

sensual

sensual
Meaning
Relating to or involving gratification of the senses and physical pleasure.
Example
The painting had a sensual quality that captivated viewers.
La pintura tenía una cualidad sensual que cautivó a los espectadores.
B2 verb /ˈspɛʃəˌlaɪz/

specialize

especializarse
Meaning
to focus on a particular subject or activity and become an expert in it
Example
He decided to specialize in cardiology.
Él decidió especializarse en cardiología.
A2 verb /sɔːrt/

sort

ordenar
Meaning
to arrange or categorize something
Example
Please sort the files by date.
Por favor ordena los archivos por fecha.
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 noun /sloʊθ/

Sloth

pereza; reluctancia a trabajar o hacer un esfuerzo
Meaning
laziness; reluctance to work or make an effort
Example
His sloth prevented him from achieving his goals.
Su pereza le impidió alcanzar sus metas.
C1 noun /sɪˈkluːʒən/

seclusion

aislamiento
Meaning
The state of being private, away from other people.
Example
She spent the weekend in complete seclusion in her cabin.
Pasó el fin de semana en completo aislamiento en su cabaña.
B1 noun ˈstrʌɡ.əl

struggle

lucha
Meaning
A forceful or violent effort to get free of restraint or resist attack; a determined effort under difficult circumstances.
Example
The struggle for independence united the nation.
La lucha por la independencia unió a la nación.
B2 noun /speɪd/

Spade

pala
Meaning
a tool with a flat blade for digging; a playing card suit
Example
The gardener used a spade to dig holes for planting flowers.
El jardinero usó una pala para cavar hoyos para plantar flores.
B1 adjective ˈsteɪbl

stable

estable
Meaning
Not likely to change or fail; firmly established.
Example
Strong nuclear force keeps the nucleus stable.
La fuerte fuerza nuclear mantiene el núcleo estable.
A2 noun /ʃɔːrts/

shorts

pantalones cortos
Meaning
a short garment worn on the lower half of the body that covers each leg separately, usually above the knees.
Example
He wore a pair of blue shorts to the beach.
Él usó un par de pantalones cortos azules en la playa.
C1 adjective /ˈskɔːrnfəl/

Scornful

despectivo
Meaning
showing contempt or disdain; expressing scorn
Example
She gave him a scornful look when he made the rude comment.
Ella le dio una mirada desdeñosa cuando hizo el comentario grosero.
C2 adjective səˈluː.bri.əs

salubrious

saludable
Meaning
Health-giving; healthy; promoting health and well-being.
Example
The mountain air is salubrious and refreshing.
El aire de la montaña es saludable y refrescante.
A2 noun /sɔːs/

Sauce

salsa
Meaning
a liquid or semi-liquid substance served with food to add moisture and flavor
Example
She added tomato sauce to her pasta.
Ella agregó salsa de tomate a su pasta.
A2 adjective /ˈsuːpər/

super

súper
Meaning
excellent; very good
Example
She did a super job on the project.
Hizo un trabajo súper en el proyecto.
B2 verb /ˈsprɪŋkəl/

sprinkle

esparcir
Meaning
to scatter small drops or particles of a substance over a surface
Example
She sprinkled sugar on top of the cake.
Ella esparció azúcar encima del pastel.
A2 noun /spɔːt/

sport

deporte
Meaning
an activity involving physical exertion and skill in which an individual or team competes against another or others for entertainment
Example
Football is a popular sport around the world.
El fútbol es un deporte popular en todo el mundo.
C2 noun /spʌndʒ ɡɔːrd/

Sponse gourd

calabaza esponjosa
Meaning
a fibrous gourd that becomes sponge-like when dried, used for cleaning and in cooking when young
Example
The sponge gourd can be eaten when young or dried to make natural scrubbers.
La calabaza esponjosa puede comerse cuando está joven o secarse para hacer estropajos naturales.
B1 noun /sɔːrs/

Source

fuente
Meaning
a place, person, or thing from which something originates; the origin of information
Example
The river's source is high in the mountains.
La fuente del río se encuentra alta en las montañas.
B2 noun /ˈsɛnətər/

senator

senador
Meaning
a member of a senate, especially in a legislative body
Example
The senator spoke passionately about environmental policies.
El senador habló con pasión sobre las políticas ambientales.
B2 adverb /ˈsoʊlli/

solely

únicamente
Meaning
only; not involving anyone or anything else
Example
He is solely responsible for the decision.
Él es completamente responsable de la decisión.
A1 adjective /seɪm/

same

igual
Meaning
identical; not different or changed
Example
We wore the same dress at the party.
Llevábamos el mismo vestido en la fiesta.
C1 noun /sɪˈdʌk.ʃən/

Seduction

seducción; tentación
Meaning
the action of seducing someone; temptation to do something wrong
Example
He fell victim to the seduction of easy money.
Cayó víctima de la seducción del dinero fácil.
B2 adjective /ˈstraɪkɪŋ/

striking

impactante
Meaning
very noticeable or impressive in appearance or effect
Example
Her striking beauty caught everyone's attention.
Su belleza impactante atrajo la atención de todos.
C1 adjective /ˈʃeɪp.ləs/

Shapeless

sin forma
Meaning
having no definite or well-defined shape or form
Example
The fog created a shapeless mass in the distance.
La niebla creó una masa sin forma a lo lejos.
C1 noun /ˌsɛnsɪtaɪˈzeɪʃən/

sensitization

sensibilización
Meaning
The process of becoming sensitive to a substance, situation, or influence.
Example
The doctor warned about the sensitization caused by repeated exposure to chemicals.
El doctor advirtió sobre la sensibilización causada por la exposición repetida a productos químicos.
C1 adjective /spɑːrs/

sparse

escaso
Meaning
thinly scattered or distributed; not dense or abundant
Example
Vegetation was sparse in the desert.
La vegetación era escasa en el desierto.
C1 noun /slæɡ/

slag

escoria
Meaning
Stony waste matter separated from metals during the smelting process.
Example
The factory dumped the slag near the river.
La fábrica arrojó la escoria cerca del río.
C1 noun/verb /ˈslʌmbər/

slumber

sueño
Meaning
A state of sleep; to sleep lightly or rest.
Example
The child slumbered peacefully through the night.
El niño durmió pacíficamente durante la noche.
B2 noun (plural) /skræps/

scraps

restos
Meaning
Small pieces left over from something; also small fights or quarrels.
Example
The dog ate the scraps from the table.
El perro comió los restos de la mesa.
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.
B1 adjective /spəˈsɪfɪk/

specific

específico
Meaning
Clearly defined or identified; particular; exact.
Example
Make a specific plan to beat procrastination.
Haz un plan específico para vencer la procrastinación.
B2 noun /ˈsɜr.neɪm/

Surname

apellido
Meaning
a hereditary name common to all members of a family; family name
Example
Please write your first name and surname on the form.
Por favor, escriba su primer nombre y apellido en el formulario.
B2 adjective /ˌsɪstəˈmætɪk/

systematic

sistemático
Meaning
Done or acting according to a fixed plan or system; methodical.
Example
The company took a systematic approach to solving the issue.
La empresa adoptó un enfoque sistemático para resolver el problema.
A2 noun /skwɛə(r)/

square

cuadrado
Meaning
a shape with four equal straight sides and four right angles
Example
The table has a square shape.
La mesa tiene una forma cuadrada.
C1 verb /smɜrk/

smirk

sonreír con suficiencia
Meaning
to smile in a self-satisfied, smug, or silly way
Example
He smirked when he won the argument.
Él sonrió cuando ganó la discusión.
C1 verb /ˈskaʊər/

scour

fregar / buscar exhaustivamente
Meaning
to clean or brighten the surface of something by scrubbing; to search thoroughly
Example
She scoured the kitchen until it shone.
Ella fregó la cocina hasta que brilló.
C1 noun /saɪð/

scythe

hoz
Meaning
A tool with a long curved blade used for cutting grass or grain.
Example
The farmer sharpened his scythe before harvesting the wheat.
El agricultor afiló su hoz antes de cosechar el trigo.
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.
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.
B1 noun /stoʊv/

Stove

estufa
Meaning
a kitchen appliance used for cooking food by applying heat
Example
She cooked dinner on the gas stove.
Cocinó la cena en la estufa de gas.
C1 noun ˈsɪmbəlɪzəm

symbolism

simbolismo
Meaning
The use of symbols to represent ideas or qualities.
Example
The use of symbolism in the novel is masterful.
El uso de simbolismo en la novela es magistral.
B2 adjective /ˈʃɒkɪŋ/

shocking

sorprendente
Meaning
causing surprise or disbelief; startling
Example
The news of the accident was shocking to everyone.
La noticia del accidente fue sorprendente para todos.
C1 noun /ˈstɪklər/

stickler

persona estricta con las normas
Meaning
a person who insists on a certain quality or standard of behavior
Example
He is a stickler for punctuality and never tolerates delays.
Él es muy estricto con la puntualidad y no tolera retrasos.
C1 noun /ˌspɒn.təˈneɪ.ɪ.ti/

spontaneity

espontaneidad
Meaning
The quality of being spontaneous; natural and unplanned behavior.
Example
His spontaneity makes him a great conversationalist.
Su espontaneidad lo convierte en un gran conversador.
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 /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.
B2 verb /ˈsɪmplɪfaɪ/

simplify

simplificar
Meaning
to make easier to understand or do; to reduce complexity
Example
The teacher simplified the complex equation for the students.
El profesor simplificó la ecuación compleja para los estudiantes.
B2 adjective /steɪl/

Stale

rancio; viejo; sin frescura
Meaning
no longer fresh; lacking originality or novelty
Example
The bread became stale after sitting out for three days.
El pan se volvió rancio después de estar fuera durante tres días.
A2 adjective /ˈsʌðərn/

southern

del sur
Meaning
located in or facing the south; southern regions
Example
She moved to a southern city for work.
Se mudó a una ciudad del sur por trabajo.
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.
C1 adjective /ˈspaɪni/

spiny

espinoso
Meaning
covered with or full of spines; having sharp points
Example
The spiny cactus stood tall in the desert.
El cactus espinoso se alzaba alto en el desierto.
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.
A2 adjective /smuːð/

Smooth

suave; liso; sin dificultades; fluido
Meaning
having an even surface; without difficulties; flowing easily
Example
The road was smooth and comfortable to drive on.
El camino estaba suave y cómodo para conducir.
B2 noun /ˈsɑːrˌkæzəm/

sarcasm

sarcasmo
Meaning
The use of irony to mock or convey contempt.
Example
His sarcasm often made people laugh but sometimes offended them.
Su sarcasmo a menudo hacía reír a la gente, pero a veces los ofendía.
B2 noun /spekˈteɪtər/

Spectator

espectador
Meaning
a person who watches at a show, game, or other event; an observer
Example
The stadium was filled with excited spectators.
El estadio estaba lleno de espectadores emocionados.
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 /stents/

stents

stents
Meaning
Small mesh tubes used to treat narrow or blocked arteries.
Example
Stents were successfully placed using robotic techniques.
Los stents fueron colocados con éxito utilizando técnicas robóticas.
C1 noun /sleɪ/

sleigh

trineo
Meaning
A vehicle pulled by horses or reindeer over snow or ice.
Example
Children were excited to ride in the sleigh through the snowy village.
Los niños estaban emocionados de montar en el trineo por el pueblo nevado.
B2 adverb /ˈskɪl.fəl.i/

Skilfully/US: Skillfully

habilidosamente
Meaning
in a way that shows ability and training; expertly
Example
She skilfully painted the portrait in just two hours.
Ella pintó el retrato hábilmente en solo dos horas.
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 noun ˈsɪblɪŋz

Siblings

hermanos
Meaning
Each of two or more children or offspring having one or both parents in common.
Example
Siblings are usually placed on the same level in a family tree.
Los hermanos generalmente están en el mismo nivel en el árbol genealógico de la familia.
A2 adverb /ˈseɪf.li/

Safely

de manera segura
Meaning
in a safe manner; without danger or risk
Example
Drive safely on the icy road.
Conduce de manera segura en la carretera helada.
A1 noun ˈstjuː.dənt

student

estudiante
Meaning
A person who is studying at a school or university.
Example
Students participated actively in the protests.
Los estudiantes participaron activamente en las protestas.
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.
B1 noun /ˈsʌb.mə.riːn/

Sub-marine

submarino
Meaning
a warship with a streamlined hull designed to operate completely submerged in the sea
Example
The submarine dived deep into the ocean to avoid detection.
El submarino se sumergió profundamente en el océano para evitar ser detectado.