sullen
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C1 adjective /ˈsʌlən/

sullen

gruñón
Meaning
bad-tempered and gloomy; silently resentful
Example
She gave him a sullen look and walked away.
Ella le dio una mirada gruñona y se fue.
B2 verb /ʃɛd/

shed

dejar caer
Meaning
to let something fall off naturally, such as leaves, hair, or tears
Example
Trees shed their leaves in autumn.
Los árboles dejan caer sus hojas en otoño.
B2 noun səˌsteɪ.nəˈbɪl.ɪ.ti

sustainability

sostenibilidad
Meaning
The ability to be maintained at a certain rate or level; the avoidance of the depletion of natural resources in order to maintain ecological balance.
Example
Sustainability ensures long-term environmental health.
La sostenibilidad garantiza la salud ambiental a largo plazo.
B1 noun/adjective /ˈstændɪŋ/

standing

posición / prestigio
Meaning
status, reputation, or position; also the act of being upright on the feet
Example
He has high standing in the community for his charity work.
Tiene un alto prestigio en la comunidad por su trabajo de caridad.
C1 verb /səˈfɪstɪkeɪt/

sophisticate

sofisticar
Meaning
to make something more complex or refined; to educate or develop in taste and manners
Example
Traveling abroad helped sophisticate his worldview.
Viajar al extranjero ayudó a sofisticar su visión del mundo.
C1 adjective /ˈsaɪt.ləs/

Sightless

ciego; sin visión
Meaning
unable to see; blind; lacking vision
Example
The sightless man navigated the street with his guide dog.
El hombre ciego navegó por la calle con su perro guía.
B1 noun/verb /skeɪl/

scale

escala / aumentar el tamaño
Meaning
A system of ordered marks used for measurement; also means to climb or to adjust in size.
Example
The company plans to scale its operations globally.
La empresa planea escalar sus operaciones globalmente.
B2 verb /slæʃ/

slash

cortar
Meaning
to cut with a sharp blade; to reduce drastically
Example
The company slashed prices to attract more customers.
La empresa redujo los precios para atraer a más clientes.
B2 verb /sɜːrdʒ/

surge

avanzar bruscamente
Meaning
to move suddenly and powerfully forward or upward
Example
The crowd surged forward when the gates opened.
La multitud se adelantó rápidamente cuando se abrieron las puertas.
A2 noun /stoʊn/

stone

piedra
Meaning
a hard, naturally occurring mineral material found in the earth
Example
He threw a stone into the lake.
Lanzó una piedra al lago.
A1 verb /seɪ/

say

decir
Meaning
to speak words; to express something in words
Example
She said hello to me.
Ella me dijo hola.
C2 noun /ˈspuːnərɪzəm/

spoonerism

espúnarismo
Meaning
A verbal error in which the initial sounds of words are swapped to create a humorous effect.
Example
He made a spoonerism by saying 'queer old dean' instead of 'dear old queen'.
Hizo un espúnarismo al decir 'querido viejo dean' en lugar de 'querida vieja reina'.
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?
A2 noun /saɪz/

size

tamaño
Meaning
the physical dimensions, proportions, or magnitude of something
Example
This shirt is too small in size for me.
Esta camisa es demasiado pequeña en tamaño para mí.
B2 noun /ˌsɛpəˈreɪʃən/

Separation

separación; división; alejamiento
Meaning
the action or state of moving or being moved apart; the division of something into constituent or distinct elements
Example
The separation of the two countries was peaceful.
La separación de los dos países fue pacífica.
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.
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 /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.
B1 verb /stæmp/

stamp

estampar / pisotear
Meaning
To bring down (one's foot) heavily on the ground; to imprint a mark or seal.
Example
She stamped her foot in frustration.
Ella estampó su pie por frustración.
C1 noun /ˌsʌpəˈzɪʃən/

supposition

suposición
Meaning
An assumption or belief that something is true without certain proof.
Example
His plan was based on the supposition that the market would recover quickly.
Su plan estaba basado en la suposición de que el mercado se recuperaría rápidamente.
B2 noun /swiːt/

suite

suite
Meaning
a set of rooms designated for one person's or family's use or for a particular purpose
Example
They stayed in the presidential suite at the hotel.
Se hospedaron en la suite presidencial del hotel.
B2 noun /ˈsiːkər/

seeker

buscador
Meaning
a person who is looking for something, especially knowledge or truth
Example
The seeker traveled far to find the answers to his questions.
El buscador viajó lejos para encontrar las respuestas a sus preguntas.
B1 verb /ʃɪft/

shift

trasladar
Meaning
To move or change from one place, position, or situation to another.
Example
She had to shift her focus to the new project.
Ella tuvo que trasladar su enfoque al nuevo proyecto.
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 /sɪˈdɪʃəs/

seditious

sedicioso
Meaning
Encouraging rebellion against authority.
Example
The activist spread seditious pamphlets among the crowd.
El activista distribuyó folletos sediciosos entre la multitud.
C1 noun /ˈʃæmbəlz/

shambles

desorden total
Meaning
a state of complete disorder or ruin
Example
After the storm, the whole town was in shambles.
Después de la tormenta, toda la ciudad estaba en desorden total.
B1 noun /stiːl/

steel

acero
Meaning
a strong, hard metal made of iron and carbon
Example
The building was made from steel to ensure its durability.
El edificio fue hecho de acero para garantizar su durabilidad.
B1 adjective /sɪˈlek.tɪd/

selected

seleccionado
Meaning
carefully chosen from a group for a particular purpose
Example
He was one of the selected candidates for the scholarship.
Él fue uno de los candidatos seleccionados para la beca.
B2 adverb /ˈsɛkʃuəli/

sexually

sexualmente
Meaning
in a way that relates to or involves sexual activity or feelings
Example
The film was considered too sexually explicit for young audiences.
La película fue considerada demasiado sexualmente explícita para los jóvenes.
B2 noun /ˈspaɪs bɒks/

Spice box

caja de especias
Meaning
a container used to store various spices and seasonings
Example
She opened the spice box to find cumin for her curry.
Ella abrió la caja de especias para encontrar comino para su curry.
C1 verb /ʃraʊd/

shroud

envolver
Meaning
to cover or hide; to wrap in cloth
Example
The mountain peak was shrouded in mist.
La cima de la montaña estaba envuelta en niebla.
A1 noun /ˈsʌmər/

summer

verano
Meaning
the warmest season of the year, between spring and autumn
Example
We love going to the beach during summer.
Nos encanta ir a la playa durante el verano.
B1 noun, verb /stɒk/

stock

inventario
Meaning
a supply of goods kept for sale or use; to keep or fill with goods
Example
The shop stocks a wide variety of products.
La tienda tiene una amplia variedad de productos.
B2 noun /ˈsɪblɪŋ/

sibling

hermano/a
Meaning
A brother or sister.
Example
She has three siblings, two brothers and one sister.
Ella tiene tres hermanos, dos hermanos y una hermana.
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.
C1 noun ˈsʌb.tɛkst

subtext

subtexto
Meaning
Hidden meaning or message behind spoken or written words
Example
The subtext of his speech suggested disagreement.
El subtexto de su discurso sugirió desacuerdo.
C2 noun /ˈslʌɡərd/

sluggard

perezoso
Meaning
A lazy, sluggish person.
Example
The sluggard refused to get out of bed even at noon.
El perezoso se negó a levantarse de la cama incluso al mediodía.
B2 noun, verb /stiːm/

steam

vapor
Meaning
the vapor into which water is converted when heated; to emit or treat with steam
Example
The kettle was steaming on the stove.
La tetera estaba vaporando en la estufa.
B2 noun /ˈsæb.ə.tɑːʒ/

Sabotage

sabotaje
Meaning
deliberate destruction of equipment or disruption of activities
Example
The factory was shut down due to an act of sabotage.
La fábrica se cerró debido a un acto de sabotaje.
A1 pronoun /ˈsʌmθɪŋ/

something

algo
Meaning
an unspecified or unknown thing
Example
I think something is wrong with my phone.
Creo que algo está mal con mi teléfono.
B1 adverb /sɪnˈsɪrli/

sincerely

sinceramente
Meaning
with genuine feelings; honestly and truly
Example
I sincerely hope you recover soon.
Espero sinceramente que te recuperes pronto.
C1 noun /səˈbraɪəti/

sobriety

sobriedad
Meaning
the state of being sober; self-restraint and seriousness
Example
He has maintained his sobriety for five years.
Ha mantenido su sobriedad durante cinco años.
B2 noun /ˈsɪmpəθi/

Sympathy

simpatía
Meaning
feelings of pity and sorrow for someone else's misfortune
Example
She expressed her sympathy for the victims of the accident.
Ella expresó su simpatía por las víctimas del accidente.
C1 adjective ˈskruː.pjʊ.ləs

scrupulous

escrupuloso
Meaning
Diligent, thorough, and extremely attentive to details; having moral integrity; acting in strict regard for what is considered right or proper.
Example
He is known for being scrupulous in his work.
Es conocido por ser escrupuloso en su trabajo.
B2 noun /ˈseɡ.mənt/

Segment

sección; porción; segmento
Meaning
each of the parts into which something is divided; a section or portion
Example
The orange was divided into eight segments.
La naranja se dividió en ocho segmentos.
B1 verb /swɪtʃ/

switch

cambiar
Meaning
to change from one thing to another; to exchange or replace
Example
I switched from coffee to tea.
Cambié de café a té.
C2 noun /ˈsɪnəd/

synod

sínodo
Meaning
An assembly of the clergy in a Christian church convened to decide on issues of doctrine or administration.
Example
The synod gathered to discuss reforms in the church.
El sínodo se reunió para discutir reformas en la iglesia.
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.
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.
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.
B1 noun /swɒn/

Swan

cisne
Meaning
a large waterbird with a long curved neck and usually white plumage
Example
The elegant swan glided silently across the water.
El elegante cisne se deslizó silenciosamente sobre el agua.
A2 noun ˈsaɪəns

science

ciencia
Meaning
The intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
Example
Science continues to explore the unknown.
La ciencia sigue explorando lo desconocido.
C1 verb ˈsɪn.ɚ.dʒaɪz

synergize

sinergizar, combinar de manera que aumente la efectividad.
Meaning
combine in such a way as to enhance effectiveness.
Example
The departments must synergize to improve efficiency.
Los departamentos deben sinergizar para mejorar la eficiencia.
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.
C1 noun /stɑːr ˈæn.ɪs/

Star Anise

anís estrellado
Meaning
star-shaped spice pod with a licorice-like flavor used in cooking
Example
She added star anise to the soup for aromatic flavor.
Ella agregó anís estrellado a la sopa para darle un sabor aromático.
B1 adjective /ˈsɛpəreɪtɪd/

separated

separado
Meaning
divided or disconnected from something else; not together
Example
They have been living in separated houses since the divorce.
Han estado viviendo en casas separadas desde el divorcio.
B1 adverb /ˈspeʃ.əl.i/

Specially

especialmente
Meaning
for a particular purpose; especially; specifically
Example
This gift was specially made for you.
Este regalo fue hecho especialmente para ti.
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.
B2 noun /swɪŋ/

Swing

columpio
Meaning
move or cause to move back and forth or from side to side while suspended or on an axis
Example
The children love to swing in the park.
A los niños les encanta balancearse en el parque.
C2 noun /ˌsæv.wɑːr ˈfeər/

savoir-faire

habilidad social
Meaning
The ability to act or speak appropriately in social situations; polished social skills.
Example
She handled the delicate situation with remarkable savoir-faire.
Ella manejó la situación delicada con un remarquable savoir-faire.
C1 adjective /ˈsɪn.tɪ.leɪ.tɪŋ/

scintillating

deslumbrante
Meaning
brilliantly clever, exciting, or sparkling
Example
Her scintillating conversation kept everyone entertained.
Su conversación deslumbrante mantuvo a todos entretenidos.
A2 noun /spiːd/

Speed

velocidad; rapidez
Meaning
the rate at which someone or something moves or operates
Example
The car reached a speed of 100 miles per hour.
El coche alcanzó una velocidad de 100 millas por hora.
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.
C1 noun /ʃɑːrd/

shard

fragmento
Meaning
a broken piece of glass, metal, or pottery
Example
He cut his finger on a shard of glass.
Se cortó el dedo con un fragmento de vidrio.
A2 adjective /sɪksθ/

sixth

sexto
Meaning
coming after the fifth in order, position, or rank
Example
He finished the race in sixth place.
Terminó la carrera en sexto lugar.
C1 adjective /ˈswoʊlən/

swollen

hinchado
Meaning
Enlarged or puffed up, usually due to injury, inflammation, or fluid accumulation
Example
Her ankle was swollen after she twisted it during the hike.
Su tobillo estaba hinchado después de torcerlo durante la caminata.
C1 noun /sɪˈnɪləti/

senility

senilidad
Meaning
The state of being old and showing the weaknesses of age, especially mental decline.
Example
His forgetfulness was attributed to senility.
Su olvido fue atribuido a la senilidad.
A2 adjective /ˈsɪmələr/

Similar

similar; con características comunes
Meaning
alike; having characteristics in common
Example
The two sisters have similar interests in music.
Las dos hermanas tienen intereses similares en música.
C1 noun /ˌsɛrənˈdɪpɪti/

serendipity

serendipia
Meaning
The occurrence of events by chance in a happy or beneficial way.
Example
Finding that old photo album was pure serendipity.
Encontrar ese viejo álbum de fotos fue pura serendipia.
C1 noun /streɪt/

strait

estrecho
Meaning
A narrow passage of water connecting two seas or two large areas of water.
Example
The Strait of Gibraltar connects the Atlantic Ocean and the Mediterranean Sea.
El estrecho de Gibraltar conecta el océano Atlántico y el mar Mediterráneo.
A2 adverb /ˈsʌd.ən.li/

Suddenly

de repente
Meaning
quickly and without warning; unexpectedly
Example
The car suddenly stopped in the middle of the road.
El coche se detuvo de repente en medio de la carretera.
C1 adjective /ˈstætʃətɔːri/

statutory

estatutario
Meaning
Required, permitted, or enacted by law.
Example
The company must comply with all statutory regulations.
La empresa debe cumplir con todas las regulaciones estatutarias.
A1 noun /ˈsʌn.deɪ/

sunday

domingo
Meaning
The day of the week between Saturday and Monday; often considered a day of rest or worship.
Example
We usually relax at home on Sunday.
Normalmente descansamos en casa el domingo.
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.
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.
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.
B1 noun /ˈsæl.ər.i/

Salary

salario
Meaning
a fixed regular payment, typically paid on a monthly basis
Example
She receives a good salary for her work as a teacher.
Ella recibe un buen salario por su trabajo como profesora.
C1 adjective ˌsʌbˈlɪm.ɪ.nəl

subliminal

existente o que opera por debajo del umbral de conciencia, percibido o que afecta la mente de alguien sin que lo sepa
Meaning
Existing or operating below the threshold of consciousness; perceived by or affecting someone's mind without their being aware of it.
Example
Advertisements often have subliminal messages.
Los anuncios a menudo contienen mensajes subliminales.
B1 adjective /ˈsætɪsfaɪd/

satisfied

satisfecho
Meaning
Pleased or content with what has been achieved or received.
Example
He felt satisfied after finishing his project.
Se sintió satisfecho después de terminar su proyecto.
B2 verb /sʌk/

suck

chupar
Meaning
to draw something into the mouth by using the lips and tongue
Example
The baby began to suck her thumb.
El bebé empezó a chuparse el dedo.
C1 adjective ˈsɒvrɪn

sovereign

soberano, supremo
Meaning
Possessing supreme or ultimate power; independent.
Example
The sovereign government has control over its currency.
El gobierno soberano tiene control sobre su moneda.
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.
C1 noun /ˈswɪndlɚ/

swindler

estafador
Meaning
a person who cheats or deceives others for money or gain
Example
The police finally caught the notorious swindler.
La policía finalmente atrapó al notorio estafador.
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.
B2 noun /ˈsɛm.iˌsɜːr.kəl/

semicircle

semicírculo
Meaning
Half of a circle or something shaped like half of a circle.
Example
The students sat in a semicircle around the teacher.
Los estudiantes se sentaron en un semicírculo alrededor del maestro.
C1 verb /swɜːrv/

swerve

cambiar de dirección bruscamente
Meaning
to change direction suddenly, especially to avoid hitting something
Example
The car swerved to avoid the dog.
El coche cambió de dirección bruscamente para evitar al perro.
B1 verb səˈpɔːrtɪŋ

supporting

apoyar
Meaning
Giving assistance to; helping to bear the weight of something.
Example
Supporting education initiatives helps reduce child labour.
Apoyar las iniciativas educativas ayuda a reducir el trabajo infantil.
C2 noun /ʃiːt fɪʃ/

Sheat-fish

siluro
Meaning
A large freshwater catfish with a broad flat head and long barbels
Example
The sheat-fish is one of the largest freshwater fish in South Asia.
El siluro es uno de los peces de agua dulce más grandes del sur de Asia.
B1 noun/verb /skɔːr/

score

puntuación
Meaning
a number of points achieved in a game or test; to gain points or achieve a goal
Example
He scored the winning goal in the final match.
Él marcó el gol ganador en el partido final.
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.
C1 noun /ˈsʌtlti/

subtlety

sutileza
Meaning
The quality or state of being subtle.
Example
She understood the subtlety of the situation.
Ella entendió la sutileza de la situación.
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.
C1 adjective /steɪd/

staid

serio, respetable
Meaning
Serious, respectable, and unadventurous.
Example
He came from a staid family background.
Él vino de una familia seria.
C1 verb /ˈskwɒndər/

squander

malgastar
Meaning
to waste money, time, or opportunities in a careless way
Example
He squandered his inheritance on gambling.
Él malgastó su herencia en juegos de azar.
C1 noun, verb /strænd/

strand

hilo / varado
Meaning
Noun: A single thin length of thread, wire, or similar. Verb: To leave someone or something without a way of moving or leaving.
Example
The storm stranded many tourists on the island.
La tormenta dejó a muchos turistas varados en la isla.
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.
C1 adjective /suːˈpɜːr.flu.əs/

superfluous

superfluo
Meaning
Unnecessary, especially through being more than enough.
Example
His speech contained too many superfluous details.
Su discurso contenía demasiados detalles superfluos.
B1 noun /ˈsʌn.laɪt/

sunlight

luz solar
Meaning
Direct light from the sun.
Example
Sunlight does not reach the abyssal depths of the ocean.
La luz solar no llega a las profundidades abisales del océano.
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.
A2 noun /ˈsteɪʃən/

station

estación
Meaning
a place where a particular service is provided, especially for transportation
Example
We arrived at the station just in time for the train.
Llegamos a la estación justo a tiempo para el tren.
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.
A1 verb /stɑːrt/

start

comenzar
Meaning
to begin something; to commence; to initiate
Example
Let's start the meeting now.
vamos a comenzar la reunión ahora.
B1 noun ˈsɪs.təmz

systems

sistemas
Meaning
A set of connected things or parts forming a complex whole.
Example
Effective systems improve productivity.
Los sistemas efectivos mejoran la productividad.
A2 noun /siːd/

seed

semilla
Meaning
the small, hard part of a plant from which a new plant can grow
Example
I planted a seed in the garden.
Plante una semilla en el jardín.
B2 noun /strɪp/

Strip

una tira larga y estrecha de tela, papel, plástico u otro material
Meaning
a long narrow piece of cloth, paper, plastic, or other material
Example
She tore a strip of paper from the notebook.
Ella arrancó una tira de papel del cuaderno.
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.
C1 verb /səbˈstænʃieɪt/

substantiate

substanciar
Meaning
To provide evidence to support or prove the truth of something.
Example
The lawyer worked to substantiate the claims with solid evidence.
El abogado trabajó para substanciar las reclamaciones con pruebas sólidas.
C1 noun speɪst ˌrep.ɪˈtɪʃ.ən

spaced repetition

repetición espaciada
Meaning
A learning technique that involves reviewing information at increasing intervals to improve long-term retention.
Example
Spaced repetition helps in long-term memory retention.
La repetición espaciada ayuda a retener la memoria a largo plazo.
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.
C2 noun/verb /ˈsoʊdʒɜrn/

sojourn

estancia temporal
Meaning
A temporary stay at a place; to stay temporarily
Example
She enjoyed a brief sojourn in Paris during the summer.
Disfrutó de una breve estancia temporal en París durante el verano.
B2 noun /slɛdʒ/

sledge

trineo
Meaning
a vehicle for traveling over snow, often pulled by animals
Example
The children rode a sledge down the snowy hill.
Los niños montaron un trineo por la colina nevada.
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.
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.
B2 verb ˈstɪmjəleɪt

stimulate

estimular
Meaning
To encourage or promote the development or growth of something
Example
Proper sunlight stimulates plant growth.
La luz solar adecuada estimula el crecimiento de las plantas.
C1 noun /ˈsteɪl.meɪt/

stalemate

empate
Meaning
A situation in which no progress can be made or no party can win.
Example
Negotiations ended in a stalemate.
Las negociaciones terminaron en un empate.
C1 noun /ˌsæl.ɪ.naɪˈzeɪ.ʃən/

salinization

aumento de salinidad
Meaning
The process of increasing salt content in soil.
Example
Excessive irrigation can cause salinization of farmland.
El riego excesivo puede causar aumento de salinidad en los campos.
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.
B1 adjective /ˈsʌm.wʌt/

Somewhat

algo; un poco; moderadamente
Meaning
to some extent; rather; moderately
Example
The movie was somewhat interesting but not great.
La película fue algo interesante, pero no genial.
B1 verb /ˈsʌfər/

suffer

sufrir
Meaning
to experience pain, distress, or hardship
Example
She suffered from a severe headache all day.
Ella sufrió de un fuerte dolor de cabeza todo el día.
A1 noun /ˈsekənd/

second

segundo
Meaning
a unit of time equal to one sixtieth of a minute; also the position after first
Example
He finished the race in second place.
Terminó la carrera en segundo lugar.
C1 verb /sərˈpæs/

surpass

superar
Meaning
to exceed or go beyond
Example
Her performance surpassed all expectations.
Su rendimiento superó todas las expectativas.