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C1 adjective /səˈnɔːrəs/

sonorous

sonido profundo
Meaning
Deep, full, and rich in sound.
Example
The actor's sonorous voice filled the entire theater.
La voz sonorosa del actor llenó todo el teatro.
B2 noun speɪs ɪksplɔːˈreɪʃən

space exploration

exploración espacial
Meaning
The investigation of outer space by means of manned and unmanned spacecraft.
Example
Space exploration has expanded our knowledge of the universe.
La exploración espacial ha ampliado nuestro conocimiento del universo.
C1 noun /səˈlɪləkwi/

soliloquy

monólogo
Meaning
a speech in which a character talks to themselves, often used in drama to reveal inner thoughts
Example
Hamlet's soliloquy is one of the most famous passages in Shakespearean drama.
El monólogo de Hamlet es uno de los pasajes más famosos del drama shakesperiano.
B2 noun /sɛnˈseɪʃən/

Sensation

sensación; excitación; conmoción; sensación
Meaning
a physical feeling or perception resulting from something that happens to or comes into contact with the body; a widespread reaction of interest and excitement
Example
The new singer became an overnight sensation.
La nueva cantante se convirtió en una sensación de la noche a la mañana.
C1 adjective /ˈsʌn.dri/

sundry

diverso
Meaning
Various or miscellaneous.
Example
The shop sells fruits, clothes, and sundry items.
La tienda vende frutas, ropa y varios artículos.
B2 noun /ˈsiː.mən/

Seaman

marinero
Meaning
a person who works on a ship; sailor
Example
The experienced seaman navigated the ship through the storm.
El marinero experimentado navegó el barco a través de la tormenta.
B2 verb, noun /stæb/

stab

apuñalar
Meaning
to pierce or wound with a pointed weapon or object
Example
He was stabbed in the back during the altercation.
Fue apuñalado en la espalda durante la pelea.
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.
B2 adverb ˌsɪməlˈteɪnɪəsli

simultaneously

simultáneamente
Meaning
At the same time; occurring or existing at the same time.
Example
He worked on two projects simultaneously.
Trabajó en dos proyectos simultáneamente.
C1 noun /skwɔːl/

squall

ráfaga
Meaning
a sudden violent gust of wind, often accompanied by rain, snow, or sleet
Example
A sudden squall caught the sailors off guard.
Una ráfaga repentina sorprendió a los marineros.
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 /ˈsɛkʃʊəl/

sexual

sexual
Meaning
relating to the instincts, physiological processes, and activities connected with physical attraction or intimate physical contact between individuals
Example
The sexual health of individuals is an important topic in modern medicine.
La salud sexual de las personas es un tema importante en la medicina moderna.
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.
B2 noun /ˌspɛsɪfɪˈkeɪʃən/

specification

especificación
Meaning
a detailed description or assessment of something
Example
The product specification includes all the necessary details.
La especificación del producto incluye todos los detalles necesarios.
C1 adjective /ˈsɔːrdɪd/

sordid

sórdido
Meaning
involving immoral or dishonorable actions; dirty or unpleasant
Example
The newspaper exposed the politician's sordid past.
El periódico expuso el pasado sórdido del político.
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 /ˈstaɪpend/

Stipend

subsidio
Meaning
a fixed regular sum paid as a salary or allowance
Example
The research student receives a monthly stipend for living expenses.
El estudiante de investigación recibe un estipendio mensual para sus gastos de vida.
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.
C2 noun /səˈnɛs.əns/

senescence

envejecimiento
Meaning
The process of growing old or the condition of aging.
Example
The biologist studied senescence in plants to understand aging.
El biólogo estudió la senescencia en las plantas para entender el envejecimiento.
C1 noun ˈsæŋktɪti

sanctity

santidad
Meaning
The state or quality of being holy, sacred, or saintly; ultimate importance.
Example
The sanctity of life should never be compromised.
La santidad de la vida nunca debe ser comprometida.
B2 adjective /ˈsɜːdʒɪkəl/

surgical

relacionado con cirugía
Meaning
relating to or involving surgery
Example
She underwent surgical treatment to repair the damage.
Se sometió a tratamiento quirúrgico para reparar el daño.
C1 verb/noun /ˈswæɡ.ər/

swagger

presunción
Meaning
To walk or behave in a very confident and arrogant way.
Example
He swaggered into the room as if he owned the place.
Entró en la habitación como si fuera dueño del lugar.
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 /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.
C1 adjective /suːˈpɜːrlətɪv/

superlative

superlativo
Meaning
Of the highest quality or degree; expressing the extreme form of an adjective or adverb.
Example
Her performance was superlative, earning her a standing ovation.
Su desempeño fue superlativo, ganándose una ovación de pie.
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 /ˈskrɪptʃərəl/

scriptural

escritural
Meaning
Relating to or contained in the scriptures or holy writings.
Example
The priest gave a scriptural reference during the sermon.
El sacerdote dio una referencia escritural durante el sermón.
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 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.
C2 noun /sneɪk ɡɔːrd/

Snake gourd

calabaza serpiente
Meaning
a long, curved vegetable that resembles a snake, commonly used in South Asian cuisine
Example
The snake gourd grows in a twisted, serpentine shape in the garden.
La calabaza serpiente crece en una forma retorcida y serpenteante en el jardín.
C2 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.
B2 noun ˈsæt.əl.aɪt

satellite

satélite
Meaning
An artificial object which has been intentionally placed into orbit around a celestial body.
Example
Satellites provide critical data for research.
Los satélites proporcionan datos críticos para la investigación.
C1 noun /səˈlɛmnɪti/

solemnity

solemnidad
Meaning
the state or quality of being serious and dignified
Example
The ceremony was conducted with great solemnity.
La ceremonia se realizó con gran solemnidad.
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.
B2 noun /ˈspəʊksmən/

spokesman

portavoz
Meaning
a person who speaks on behalf of others, especially for a group or organization
Example
The spokesman addressed the crowd during the rally.
El portavoz dirigió a la multitud durante la manifestación.
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.
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.
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.
B2 phrase ˈsɛvən ˈhæbɪts

seven habits

siete hábitos
Meaning
Regular behaviors or actions that are done consistently over time, specifically referring to a set of seven key practices.
Example
Even habits help in maintaining a balanced lifestyle.
Incluso los hábitos ayudan a mantener un estilo de vida equilibrado.
C2 adjective /sɛnˈtɛnʃəs/

sententious

moralista; que da lecciones
Meaning
Given to moralizing in a pompous or affected manner.
Example
His sententious remarks annoyed the audience.
Sus comentarios moralistas molestaron a la audiencia.
A1 noun /speɪs/

space

espacio
Meaning
The dimensions of height, depth, and width within which all things exist and move.
Example
Space exploration expands human knowledge.
La exploración del espacio amplía el conocimiento humano.
B2 adjective /ˈskeptɪkəl/

Sceptical

escéptico; desconfiado; que cuestiona la verdad de algo
Meaning
having doubts; not easily convinced; questioning the truth of something
Example
Many scientists remain sceptical about the new theory.
Muchos científicos siguen siendo escépticos sobre la nueva teoría.
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.
A2 noun /stɛps/

steps

pasos
Meaning
A measure or action, especially one of a series taken in order to deal with or achieve a particular thing.
Example
Taking small steps reduces overwhelm.
Dar pequeños pasos reduce el agobio.
C1 adjective /ˈʃɪp.ʃeɪp/

Shipshape

ordenado; bien organizado; en buen estado
Meaning
neat and tidy; in good order; well-organized
Example
Everything was shipshape before the inspection.
Todo estaba en perfecto estado antes de la inspección.
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 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.
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.
C2 noun /ˈʃæd.ək/

Shaddock

pomelo
Meaning
a large citrus fruit similar to grapefruit; pomelo
Example
The shaddock is the largest citrus fruit in the world.
El shádok es la fruta cítrica más grande del mundo.
C1 noun səˈfɪʃənsi

sufficiency

suficiencia
Meaning
The condition of being adequate or enough; adequacy.
Example
The sufficiency of food supply is critical for survival.
La suficiencia del suministro de alimentos es crítica para la supervivencia.
A2 adjective /ˈskeəri/

scary

aterrador
Meaning
causing fear or making you feel frightened
Example
That horror movie was really scary.
Esa película de terror realmente fue aterradora.
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.
B2 noun /səkˈses.ər/

Successor

sucesor
Meaning
a person who succeeds another in office; someone who takes over a position or role
Example
The CEO announced his retirement and named his successor for the company.
El CEO anunció su jubilación y nombró a su sucesor para la empresa.
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.
C1 verb /ˈsɛvər/

sever

cortar, romper relaciones
Meaning
to cut off or separate, especially by cutting; to end a connection or relationship
Example
He had to sever ties with the company after the dispute.
Tuvo que cortar los lazos con la empresa después de la disputa.
A2 adjective /swiːt/

Sweet

dulce; amable; agradable
Meaning
having a pleasant taste; kind and gentle; pleasing
Example
She has a sweet voice that everyone loves to hear.
Ella tiene una dulce voz que a todos les encanta escuchar.
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.
B2 noun /spæm/

spam

spam
Meaning
unsolicited or unwanted electronic communication, typically in the form of email
Example
My inbox is full of spam emails that I need to delete.
Mi bandeja de entrada está llena de correos electrónicos de spam que necesito eliminar.
B2 adverb /ˈsiː.mɪŋ.li/

seemingly

aparentemente, aparentemente tranquilo
Meaning
appearing to be true, but not necessarily so
Example
He was seemingly calm despite the chaos around him.
Él estaba aparentemente tranquilo a pesar del caos a su alrededor.
B2 adjective /suːˈpɪə.ri.ər/

Superior

superior; mejor que el promedio
Meaning
higher in rank, quality, or importance; better than average
Example
This product is superior to all others in the market.
Este producto es superior a todos los demás en el mercado.
C1 noun /ˈskævɪndʒər/

scavenger

carroñero / recolector de basura
Meaning
an animal or person that feeds on dead or discarded material
Example
Vultures are natural scavengers that clean up the environment.
Los buitres son escavengers naturales que limpian el medio ambiente.
C1 noun ˌsʌb.sɪ.dɪˈzeɪ.ʃən

subsidization

subsidio
Meaning
Financial assistance provided by government to make certain goods or services more affordable.
Example
Subsidization of agriculture helps farmers maintain crop production.
La subsidización de la agricultura ayuda a los agricultores a mantener la producción de cultivos.
C1 verb /ˈspɪərˌhɛd/

spearhead

encabezar
Meaning
to lead or initiate an action, project, or movement
Example
She spearheaded the campaign for environmental awareness.
Ella encabezó la campaña por la conciencia ambiental.
C1 noun /sɪˈsɛʃən/

secession

secesión
Meaning
The action of formally withdrawing from membership of a federation or body.
Example
The secession of the southern states led to the Civil War.
La secesión de los estados del sur llevó a la Guerra Civil.
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.
C1 noun səˈlɪnɪti ɪnˈtruːʒən

salinity intrusion

intrusión de salinidad
Meaning
The movement of salt water into freshwater areas, typically affecting coastal regions.
Example
Salinity intrusion affects coastal regions.
La intrusión de salinidad afecta las regiones costeras.
C2 verb /skʌlk/

skulk

moverse sigilosamente
Meaning
to move or hide secretly, often because you are planning something bad or are feeling guilty
Example
He tried to skulk in the shadows to avoid being seen.
Intentó moverse sigilosamente entre las sombras para evitar ser visto.
C2 verb /ˈsnɪvəl/

snivel

llorar o quejarse de manera débil o molesta
Meaning
to cry or complain in a weak or annoying way
Example
He began to snivel when he didn’t get his way.
Comenzó a llorar cuando no consiguió lo que quería.
C1 verb /sərˈmaɪz/

surmise

suponer
Meaning
to suppose something is true without having evidence
Example
She surmised that he was not coming to the meeting.
Ella supuso que él no iba a venir a la reunión.
C1 verb /skʌlpt/

sculpt

felicidad
Meaning
to create or shape something by carving or molding
Example
The artist sculpted a beautiful statue from marble.
Ella no pudo ocultar su felicidad cuando recibió el premio.
C1 noun /ˈskwɒlər/

squalor

miseria
Meaning
the state of being extremely dirty and unpleasant, especially due to poverty or neglect
Example
They lived in squalor without basic facilities.
Vivían en la miseria sin instalaciones básicas.
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 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.
B1 noun /seɪlz/

sales

ventas
Meaning
activities related to selling products or services
Example
The company saw a significant increase in sales during the holiday season.
La empresa vio un aumento significativo en las ventas durante la temporada navideña.
C1 noun /ˈsɛvərəns/

severance

indemnización por despido
Meaning
the act of ending something, especially a relationship or employment; compensation paid upon termination
Example
The company offered him severance pay after his job ended.
La empresa le ofreció indemnización por despido después de que terminó su empleo.
B2 adjective /ˈstʌdid/

studied

estudiado
Meaning
carefully considered, deliberate, or planned
Example
Her response was calm and studied, not impulsive.
Su respuesta fue calmada y estudiada, no impulsiva.
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.
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 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 adjective /ˈsɛksi/

sexy

atractivo
Meaning
sexually attractive or exciting
Example
She wore a sexy red dress to the party.
Ella llevaba un vestido rojo atractivo en la fiesta.
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.
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.
B2 verb /swiːp/

sweep

barrer
Meaning
to clean by brushing; to move quickly and smoothly
Example
She sweeps the floor every morning.
Ella barre el suelo todas las mañanas.
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 noun/verb /sluːs/

sluice

compuerta de agua / enjuagar
Meaning
A sliding gate for controlling the flow of water; to wash or rinse with water in large quantities.
Example
The workers sluiced the mud off the street after the heavy rain.
Los trabajadores limpiaron el barro de la calle después de la fuerte lluvia.
C1 verb /stoʊk/

stoke

avivar el fuego; fomentar o aumentar un sentimiento o actividad fuerte
Meaning
To add fuel to a fire; to encourage or increase a strong feeling or activity.
Example
The politician’s speech stoked anger among the crowd.
El discurso del político encendió la ira entre la multitud.
B2 noun /sərˈvaɪvər/

Survivor

una persona que sobrevive, especialmente una persona que sigue viva después de un evento en el que otras personas han muerto
Meaning
a person who survives, especially a person remaining alive after an event in which others have died
Example
She is a cancer survivor who now helps other patients.
Ella es una sobreviviente de cáncer que ahora ayuda a otros pacientes.
A2 adverb /ˈslaɪtli/

slightly

ligeramente
Meaning
to a small degree or extent
Example
The temperature has slightly increased today.
La temperatura ha aumentado ligeramente hoy.
B2 noun /ˈsæksəfoʊn/

Saxophone

saxofón
Meaning
a wind musical instrument with a curved metal body and a single reed mouthpiece
Example
The jazz musician played a beautiful solo on his saxophone.
El músico de jazz tocó un hermoso solo en su saxofón.
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.
B2 verb /siːz/

seize

apoderarse
Meaning
To take hold of suddenly and forcibly.
Example
The police managed to seize the stolen goods.
La policía logró incautar las mercancías robadas.
C1 noun /səˈprɛʃən/

suppression

supresión
Meaning
the act of forcibly stopping something or holding back feelings or actions
Example
The suppression of free speech led to protests.
La supresión de la libertad de expresión llevó a protestas.
C1 noun, verb /ˈskʌf.əl/

scuffle

pelea/disputa
Meaning
a short, confused fight or struggle; to engage in such a fight
Example
Two players scuffled on the field after the foul.
Dos jugadores se pelearon en el campo después de la falta.
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 /səbˈmɪʃən/

submission

rendición, presentación
Meaning
the act of yielding to authority or presenting something for consideration
Example
Her submission of the report was appreciated by the manager.
Su presentación del informe fue apreciada por el gerente.
C2 verb /ˈstjuːpɪˌfaɪ/

stupefy

dejar atónito
Meaning
to make someone unable to think clearly, usually because of surprise or shock
Example
The magician's tricks stupefied the audience.
Los trucos del mago dejaron atónita a la audiencia.
C1 noun ˌsæn.ɪ.taɪˈzeɪ.ʃən

sanitization

sanitización
Meaning
The process of cleaning and disinfecting to eliminate germs and bacteria.
Example
Regular sanitization keeps appliances germ-free.
La sanitización regular mantiene los aparatos libres de gérmenes.
C1 adjective /ˈseɪlaɪn/

Saline

salino; relacionado con agua salada
Meaning
containing salt; salty; relating to salt water
Example
The saline solution is used for medical treatments.
La solución salina se usa para tratamientos médicos.
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.
C1 verb /ˈslækən/

slacken

aflojar
Meaning
to make or become less tight, less active, or slower
Example
The driver slackened his speed as he approached the village.
El conductor redujo su velocidad al acercarse al pueblo.
C1 verb/noun /ˈsɒldər/

solder

soldar
Meaning
To join metal parts together by melting and putting a filler metal into the joint
Example
He soldered the broken wires back together.
Él soldó los cables rotos de nuevo.
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.
A1 noun /ˈsɪstər/

sister

hermana
Meaning
a female sibling; a girl or woman in relation to other children of her parents
Example
My sister is coming to visit us next week.
Mi hermana vendrá a visitarnos la próxima semana.
B1 noun /ˌsaʊθˈiːst/

southeast

sureste
Meaning
the direction that is between south and east; a region in that direction
Example
The city is located in the southeast of the country.
La ciudad está ubicada en el sureste del país.
C2 adjective sɑːˈtɔːrɪəl

sartorial

relacionado con la ropa o el estilo
Meaning
Of or relating to clothing or style or manner of dress.
Example
His sartorial choices were always on trend and admired.
Sus elecciones sartoriales siempre estaban a la moda y eran admiradas.
C1 noun /səˈsteɪnəbl ˈæɡrɪkʌltʃər/

sustainable agriculture

agricultura sostenible
Meaning
Farming practices that meet current food needs while preserving environmental resources and maintaining the ability to produce food for future generations through ecologically sound methods.
Example
Sustainable agriculture practices protect the environment while ensuring food security.
Las prácticas de agricultura sostenible protegen el medio ambiente mientras garantizan la seguridad alimentaria.
A2 noun /sænd/

sand

felicidad
Meaning
Small loose grains of crushed rock, found on beaches and deserts.
Example
Children built castles out of sand on the beach.
Ella no podía esconder su felicidad cuando recibió el premio.
A2 adjective /smɑːrt/

Smart

inteligente; astuto; bien vestido; elegante
Meaning
intelligent; quick-witted; well-dressed; stylish
Example
She made a smart decision to invest in technology stocks.
Tomó una decisión inteligente de invertir en acciones tecnológicas.
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.
C1 noun ˈsɒv.rɪn.ti

sovereignty

soberanía
Meaning
The authority of a state to govern itself or another state; supreme power or authority.
Example
Sovereignty is essential for a nation's identity.
La soberanía es esencial para la identidad de una nación.
A1 noun /sɛpˈtɛmbər/

september

septiembre
Meaning
The ninth month of the year in the Gregorian calendar
Example
My birthday is in September, and I always celebrate it with friends.
Mi cumpleaños es en septiembre, y siempre lo celebro con amigos.
B2 noun/verb /ˈsoʊ.ɪŋ/

sewing

costura
Meaning
The activity or skill of joining fabric using a needle and thread
Example
She enjoys sewing her own clothes on weekends.
Ella disfruta cosiendo su propia ropa los fines de semana.
B2 noun /ˌsuːvəˈnɪər/

Souvenir

souvenir
Meaning
a thing that is kept as a reminder of a person, place, or event; a memento
Example
I bought a small souvenir from the gift shop.
Compré un pequeño souvenir en la tienda de regalos.
B2 noun /ˈsɜːdʒən/

surgeon

cirujano
Meaning
a doctor who performs medical operations
Example
The surgeon performed a complex heart operation.
El cirujano realizó una operación compleja de corazón.
B2 adjective /səˈbɜːrbən/

suburban

suburbano
Meaning
relating to or characteristic of a suburb or the people living there
Example
They bought a house in a quiet suburban area.
Compraron una casa en una zona suburbana tranquila.
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 adjective /ˈsɑːdn/

sodden

empapado
Meaning
thoroughly soaked or saturated with liquid
Example
His clothes were sodden after the heavy rain.
Su ropa estaba empapada después de la lluvia intensa.
C1 noun /səˈbætɪkəl/

sabbatical

período de descanso para estudio o viaje
Meaning
A period of paid leave granted to a teacher or worker for study or travel, traditionally every seventh year.
Example
She took a sabbatical to research her new book.
Ella tomó un sabático para investigar su nuevo libro.
B2 noun /səbˈskrɪp.ʃən/

Subscription

suscripción
Meaning
a payment for regular delivery of a service or product; an arrangement to receive something regularly
Example
I canceled my Netflix subscription because I wasn't watching it enough.
Cancelé mi suscripción a Netflix porque no la estaba viendo lo suficiente.
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.
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.