sinus
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C1 noun /ˈsaɪnəs/

sinus

seno
Meaning
A cavity within a bone or tissue, especially those in the bones of the face connected with the nasal cavities.
Example
He suffered from a sinus infection that caused headaches.
Él sufrió de una infección sinusal que le causó dolor de cabeza.
C1 adjective /səˈriːn/

serene

sereno y pacífico
Meaning
Calm, peaceful, and untroubled; tranquil.
Example
The lake had a serene and peaceful atmosphere.
El lago tenía una atmósfera serena y pacífica.
C2 noun/verb /ˈsʌkər/

succor

socorro
Meaning
Assistance and support in times of hardship or distress.
Example
The charity provided succor to the flood victims.
La caridad proporcionó socorro a las víctimas de las inundaciones.
C1 adjective ˌsɪmbɪˈɒtɪk

symbiotic

simbiótico
Meaning
Involving interaction between two different organisms living in close physical association.
Example
The relationship between the bee and the flower is symbiotic.
La relación entre la abeja y la flor es simbiótica.
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.
C1 noun /ˈstɪm.jʊ.laɪ/

stimuli

estímulo
Meaning
Things that create reactions or provide motivation.
Example
Bright light and loud sounds are common stimuli for alertness.
La luz brillante y los sonidos fuertes son estímulos comunes para la alerta.
C2 noun /ˈsʌbtərˌfjuːdʒ/

subterfuge

subterfugio
Meaning
Deceit used to achieve one's goal; a trick or excuse to evade something.
Example
They used subterfuge to avoid paying taxes.
Usaron subterfugio para evitar pagar impuestos.
B2 verb /ˈstʌmbəl/

stumble

tropezar
Meaning
to trip or lose balance while walking or running; to make a mistake or falter
Example
He stumbled on the uneven pavement.
Él tropezó en el pavimento desigual.
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.
A2 adjective /ˈstuː.pɪd/

Stupid

tonto; estúpido; necio
Meaning
lacking intelligence or common sense; foolish
Example
It was stupid of me to forget my umbrella on a rainy day.
Fue tonto de mi parte olvidar mi sombrilla en un día lluvioso.
C1 verb, adjective, noun /spruːs/

spruce

arreglar / un tipo de árbol
Meaning
to make neat or tidy in appearance; also refers to an evergreen tree
Example
He spruced up his room before the guests arrived.
Él arregló su habitación antes de que llegaran los invitados.
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.
C1 noun /ˈstætʃuːt/

statute

ley
Meaning
A written law passed by a legislative body.
Example
The new statute protects workers' rights.
La nueva ley protege los derechos de los trabajadores.
B2 adjective /ˈspiː.di/

Speedy

rápido; veloz; ágil;
Meaning
moving or happening quickly; fast
Example
The speedy delivery service arrived within an hour.
El servicio de entrega rápido llegó en una hora.
B2 noun /ˈskʌlp.tʃər/

Sculpture

escultura; arte de hacer objetos tallados
Meaning
the art of making objects by carving; a work of art made by carving
Example
The museum displays ancient Greek sculpture.
El museo exhibe una escultura griega antigua.
B2 noun /ˈsikwəl/

Sequel

secuela
Meaning
a published, broadcast, or recorded work that continues the story or develops the theme of an earlier one; something that takes place after or as a result of an earlier event
Example
The movie sequel was even more successful than the original.
La secuela de la película fue aún más exitosa que la original.
A2 noun /ˈsɒftweə/

software

software
Meaning
the programs and other operating information used by a computer
Example
He installed the software to enhance the performance of his computer.
Instaló el software para mejorar el rendimiento de su computadora.
B1 verb /siːl/

seal

sellar, cerrar
Meaning
to close or secure something tightly or officially confirm something
Example
He sealed the envelope before sending the letter.
Él selló el sobre antes de enviar la carta.
C2 adjective /sʌbˈlɪŋɡwəl/

sublingual

sublingual
Meaning
situated or applied under the tongue
Example
The doctor prescribed a sublingual tablet for faster absorption.
El doctor recetó una tableta sublingual para una absorción más rápida.
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.
B2 noun /ˈsaɪd.laɪn/

sideline

actividad secundaria
Meaning
An activity done in addition to one's main job or area of work.
Example
The sideline discussions led to mutual understanding.
Las discusiones secundarias llevaron a una comprensión mutua.
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.
A2 noun /ˈspaɪ.dər/

Spider

araña
Meaning
a small creature with eight legs that makes webs to catch insects
Example
The spider caught a fly in its web.
La araña atrapó una mosca en su red.
A2 noun sɔːŋz

songs

canciones
Meaning
A short poem or other set of words set to music or meant to be sung.
Example
Listen to songs to learn pronunciation.
Escucha canciones para aprender pronunciación.
A1 noun /stɑːr/

Star

estrella
Meaning
a fixed luminous point in the night sky that produces light and heat through nuclear fusion
Example
Thousands of stars are visible in the clear night sky.
Miles de estrellas son visibles en el cielo despejado de la noche.
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.
A1 verb /ˈstʌdi/

study

estudiar
Meaning
to learn about something; to examine carefully; to research
Example
I study mathematics every evening.
Yo estudio matemáticas todas las tardes.
C1 adjective səˈblaɪm

sublime

sublime, grandioso, majestuoso
Meaning
Of such excellence, grandeur, or beauty as to inspire great admiration or awe.
Example
The sublime beauty of the mountain landscape took my breath away.
La sublime belleza del paisaje montañoso me dejó sin aliento.
C1 noun /ˈstɪɡmə/

stigma

estigma
Meaning
a mark of shame or disgrace associated with a particular circumstance or quality
Example
There is still a stigma around mental health issues in many societies.
Todavía existe un estigma en torno a los problemas de salud mental en muchas sociedades.
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.
A2 noun, verb /ˈsɛntəns/

sentence

oración; sentencia
Meaning
A set of words that expresses a complete thought; or a punishment given by a court of law.
Example
The judge gave him a five-year prison sentence.
El juez le dio una sentencia de cinco años de prisión.
B1 noun /səˈdʒes.tʃən/

Suggestion

sugerencia; consejo
Meaning
an idea or plan put forward for consideration; advice or recommendation
Example
Do you have any suggestions for improving our team's productivity?
¿Tienes alguna sugerencia para mejorar la productividad de nuestro equipo?
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.
C1 verb, noun /sæp/

sap

savia / agotar
Meaning
As a noun: the vital fluid in plants; As a verb: to gradually weaken or drain strength.
Example
The long journey began to sap his energy.
El largo viaje comenzó a agotar su energía.
B1 noun /steɪk/

steak

bistec
Meaning
a thick slice of meat, typically beef, cooked by grilling or frying
Example
He ordered a grilled steak with vegetables.
Él pidió un bistec a la parrilla con verduras.
B2 noun /sɪnˈserɪti/

Sincerity

sinceridad
Meaning
the quality of being free from pretense or deceit; honesty
Example
His sincerity in apologizing was evident to everyone.
Su sinceridad al disculparse fue evidente para todos.
C2 verb /səbˈsjuːm/

subsume

incluir
Meaning
To include or absorb something into a larger group or category.
Example
Minor details were subsumed under the main topic.
Los detalles menores fueron subsumidos bajo el tema principal.
C1 adjective /ˈstɛriəˌtaɪpt/

stereotyped

estereotipado
Meaning
Conforming to a fixed or oversimplified idea of what someone or something is like.
Example
His stereotyped jokes failed to impress the audience.
Sus chistes estereotipados no lograron impresionar a la audiencia.
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.
A2 noun /ˈsuːt.keɪs/

suitcase

maleta
Meaning
A portable rectangular container for carrying clothes and personal items when traveling
Example
She packed her clothes into a suitcase for the trip.
Ella metió su ropa en una maleta para el viaje.
A2 noun, verb /ʃɒt/

shot

tiro
Meaning
a single attempt to hit something, usually with a weapon or a ball
Example
He took a shot at the goal.
Él tomó un tiro hacia la portería.
B2 noun ˈʃɔːtkʌmɪŋz

shortcomings

deficiencias
Meaning
A fault or failure to meet a certain standard; deficiencies.
Example
Institutional shortcomings affect student behavior negatively.
Las deficiencias institucionales afectan negativamente el comportamiento de los estudiantes.
C2 noun /ˈsfɛrɔɪd/

spheroid

esferoide
Meaning
A three-dimensional shape that is almost spherical but slightly flattened or elongated.
Example
The Earth is not a perfect sphere but an oblate spheroid.
La Tierra no es una esfera perfecta sino un esferoide oblato.
C1 adjective /ˈspɪndli/

spindly

delgado y débil
Meaning
Long, thin, and weak-looking
Example
The spindly tree bent under the weight of the snow.
El árbol delgado se inclinó bajo el peso de la nieve.
C2 adjective /spæzˈmɒdɪk/

spasmodic

espasmódico
Meaning
occurring irregularly or in sudden bursts
Example
The patient experienced spasmodic coughing during the night.
El paciente experimentó tos espasmódica durante la noche.
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.
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.
C2 noun /ˈsɜːfdəm/

serfdom

servidumbre
Meaning
The status or condition of being a serf, bound to work for a lord.
Example
Many peasants in medieval Europe lived under serfdom.
Muchos campesinos en la Europa medieval vivían bajo la servidumbre.
B1 verb /skrætʃ/

scratch

felicidad
Meaning
to rub a surface or skin with something sharp or rough, often to relieve itching
Example
The cat scratched the door to be let in.
No pudo ocultar su felicidad cuando recibió el premio.
B2 adverb /ˈsɪmɪlərli/

similarly

de manera similar
Meaning
in a similar way
Example
Similarly, we can achieve success with dedication and hard work.
De manera similar, podemos lograr el éxito con dedicación y trabajo arduo.
B2 adjective /ˈʃeɪ.di/

Shady

sombrío; sospechoso; deshonesto;
Meaning
providing shade; dishonest; suspicious
Example
The shady businessman made a suspicious deal.
El comerciante sombrío hizo un trato sospechoso.
C1 adjective /ˈstɛr.aɪl/

sterile

estéril
Meaning
Free from bacteria or other living microorganisms; incapable of producing offspring.
Example
The surgeon worked in a sterile environment to avoid infection.
El cirujano trabajó en un ambiente estéril para evitar infecciones.
C1 adverb /suːˈpɜːb.li/

Superbly

de manera excelente
Meaning
in an excellent or outstanding manner
Example
She performed superbly in the dance competition.
Ella actuó de manera excelente en la competencia de danza.
C2 noun /sfɪˈrɒmɪtər/

spherometer

esferómetro
Meaning
An instrument used for measuring the curvature of spherical surfaces.
Example
The scientist used a spherometer to measure the lens curvature.
El científico usó un esferómetro para medir la curvatura de la lente.
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 /ˌsuː.pəˈfɪʃ.əl/

superficial

superficial
Meaning
Existing or occurring at or on the surface; not thorough or deep.
Example
His understanding of the subject was rather superficial.
Su comprensión del tema era bastante superficial.
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.
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.
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.
C2 noun /sɪˈmɪlɪtjuːd/

Similitude

similitud; semejanza
Meaning
the quality or state of being similar; resemblance
Example
The similitude between the two paintings suggested they were by the same artist.
La similitud entre las dos pinturas sugirió que fueron hechas por el mismo artista.
A1 noun /ˈsɛvən/

seven

siete
Meaning
the number following six and preceding eight
Example
She has seven apples in her basket.
Ella tiene siete manzanas en su cesta.
B2 noun /ˈsiː.krə.si/

Secrecy

secreto
Meaning
the practice of keeping something secret; the state of being kept hidden
Example
The project was conducted in complete secrecy.
El proyecto se llevó a cabo en completo secreto.
C2 verb /sɪˈkwɛstreɪt/

sequestrate

confiscar
Meaning
To take legal possession of assets until a debt is paid or disputes are resolved.
Example
The court decided to sequestrate the company's property.
El tribunal decidió confiscar la propiedad de la empresa.
B1 verb /skriːm/

scream

gritar
Meaning
to make a loud, high-pitched sound, usually because of fear, pain, or excitement
Example
She screamed when she saw the spider.
Ella gritó cuando vio la araña.
A2 noun /ˈsɒkər/

soccer

fútbol
Meaning
a sport in which two teams of eleven players each try to score goals by kicking a ball into the opposing goal
Example
He loves to play soccer with his friends.
A él le gusta jugar al fútbol con sus amigos.
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.
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.
C1 noun /ˈʃʊɡ.ər ˈkæn.di/

Sugar candy

caramelo de azúcar
Meaning
crystallized sugar formed into small pieces; rock candy made from sugar syrup
Example
The children enjoyed eating colorful sugar candy at the festival.
Los niños disfrutaron comer dulces de azúcar coloridos en el festival.
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 verb /sɑːlv/

solve

resolver
Meaning
to find an answer to a problem or question; to resolve a difficulty
Example
The detective finally solved the mysterious case.
El detective finalmente resolvió el caso misterioso.
C1 noun /ˈsɛpərətɪst/

separatist

separatista
Meaning
A person who supports the separation of a group from a larger body, often for political or cultural independence.
Example
The separatist group demanded independence from the central government.
El grupo separatista exigió la independencia del gobierno central.
C1 verb /səbˈmɜːrdʒ/

submerge

sumergir
Meaning
to put under water or cover with liquid
Example
The floodwaters threatened to submerge the village.
Las aguas de la inundación amenazaron con sumergir el pueblo.
A2 noun /stɔːrm/

Storm

tormenta
Meaning
a violent weather condition with strong winds, rain, thunder, and lightning
Example
The storm caused power outages across the city.
La tormenta causó apagones en toda la ciudad.
C1 adjective /sɪˈnɒnɪməs/

synonymous

sinónimo
Meaning
having the same or nearly the same meaning; closely associated with something
Example
For many people, her name is synonymous with generosity.
Para muchas personas, su nombre es sinónimo de generosidad.
C2 noun /ˌsuː.pər.əˈbʌn.dəns/

superabundance

superabundancia
Meaning
An excessive or overflowing amount of something.
Example
The garden was filled with a superabundance of flowers.
El jardín estaba lleno de una superabundancia de flores.
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.
B2 noun /ˌsuːpərɪnˈtɛndənt/

superintendent

superintendente
Meaning
a person who oversees, manages, or directs an organization, building, or project
Example
The superintendent visited the classrooms to check on progress.
El superintendente visitó las aulas para revisar el progreso.
C1 noun /ˈseɪ.tən/

Satan

Satanás
Meaning
the chief evil spirit; the Devil in Christian and Islamic belief
Example
According to religious texts, Satan tempts people to sin.
Según los textos religiosos, Satanás tienta a las personas a pecar.
C2 noun /ˈsɪʒ.ən/

scission

cisión
Meaning
the act of cutting or dividing something
Example
The political party suffered a scission over ideological disputes.
El partido político sufrió una cisión debido a disputas ideológicas.
A2 adjective /streɪndʒ/

strange

extraño
Meaning
unusual or not normal
Example
It was strange to see him at the party after so long.
Era extraño verlo en la fiesta después de tanto tiempo.
B2 adjective /ˈskɪni/

Skinny

delgado; flaco; escuálido
Meaning
very thin; having little flesh or fat on the body
Example
The skinny cat looked like it hadn't eaten for days.
El gato delgado parecía que no había comido en días.
C1 noun /ˈsɜːr.vɪ.tuːd/

Servitude

servidumbre
Meaning
the state of being a slave or completely subject to someone more powerful
Example
Many people fought to escape the servitude imposed by the colonial system.
Muchas personas lucharon por escapar de la servidumbre impuesta por el sistema colonial.
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.
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.
B2 verb /ˈstreɪtən/

straighten

alisar
Meaning
to make something straight or tidy; to correct or organize
Example
She straightened her hair before the meeting.
Ella se alisó el cabello antes de la reunión.
C1 verb /slaʊtʃ/

slouch

encorvarse
Meaning
To stand, sit, or move in a lazy or awkward way.
Example
He slouched in the chair, looking tired.
Se encorvó en la silla, luciendo cansado.
C2 adjective /ˈsɛrid/

serried

agrupado
Meaning
pressed or crowded together, often in rows or ranks
Example
The soldiers stood in serried ranks, ready for inspection.
Los soldados estaban en filas agrupadas, listos para la inspección.
C2 noun /ˈsælvər/

salver

bandeja de plata
Meaning
A tray, typically made of silver, used for serving food or drinks.
Example
The butler brought in the tea on a silver salver.
El mayordomo trajo el té en una bandeja de plata.
C2 noun /ˈseɪ.ɡoʊ/

Sago

sago
Meaning
starchy foodstuff obtained from the pith of various tropical palm stems
Example
She prepared sago pudding for dessert.
Ella preparó pudín de sago para el postre.
C1 noun /ˈsɪləbəl/

syllable

sílaba
Meaning
A unit of pronunciation having one vowel sound, with or without surrounding consonants, forming the whole or part of a word.
Example
The word 'computer' has three syllables.
La palabra 'computadora' tiene tres sílabas.
C1 adjective /ˈstrɛnjuəs/

strenuous

arduo
Meaning
Requiring or using great effort and energy.
Example
Climbing the mountain was a strenuous task.
Escalar la montaña fue una tarea ardua.
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 noun /ˈsəʊdiəm/

sodium

sodio
Meaning
a soft, silver-white chemical element that is highly reactive and found in salt.
Example
Sodium is an essential element for maintaining fluid balance in the body.
El sodio es un elemento esencial para mantener el equilibrio de líquidos en el cuerpo.
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.
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 /ˌsɛlf rɪˈspɛkt/

self-respect

autoestima
Meaning
A feeling of pride and confidence in oneself; self-worth.
Example
She refused to compromise her self-respect by accepting unfair treatment.
Ella se negó a comprometer su autoestima aceptando un trato injusto.
C1 verb /ʃʌn/

Shun

evitar
Meaning
to deliberately avoid or stay away from someone or something
Example
He shuns public attention and prefers privacy.
Él evita la atención pública y prefiere la privacidad.
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.
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.
A1 noun /ˈstɔːri/

story

historia
Meaning
a narrative of real or imaginary events
Example
She told a fascinating story about her travels.
Ella contó una fascinante historia sobre sus viajes.
B2 noun /ˈspɔːrtsmən/

sportsman

deportista
Meaning
A person who is skilled in sports or enjoys participating in athletic activities.
Example
He is a true sportsman, always fair and respectful to his opponents.
Él es un verdadero deportista, siempre justo y respetuoso con sus oponentes.
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.
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.
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.
C2 verb /ʃiːð/

sheathe

volver a meter en la vaina
Meaning
to put a sword or knife back into its cover
Example
He quickly sheathed his sword after the duel.
Él rápidamente volvió a meter su espada en su vaina después del duelo.
C1 verb /ˈstrætɪfaɪ/

stratify

estratificar
Meaning
to arrange or divide into layers, classes, or categories
Example
The researchers plan to stratify the data based on age groups.
Los investigadores planean estratificar los datos según los grupos de edad.
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.
A1 verb /send/

send

enviar
Meaning
to cause something to go or be taken to a particular destination; to transmit
Example
I will send you an email with the details.
Voy a enviarte un correo electrónico con los detalles.
B1 verb /ˈstɒpɪŋ/

stopping

detener
Meaning
Coming to a halt or pause.
Example
The ship is stopping at the Falkland Islands.
El barco está deteniéndose en las Islas Malvinas.
C2 noun /ˈskɜː.vi/

scurvy

Escorbuto
Meaning
A disease caused by a deficiency of vitamin C, leading to weakness, gum disease, and bleeding.
Example
Sailors often suffered from scurvy during long sea voyages without fresh fruits.
Los marineros a menudo sufrían de escorbuto durante largos viajes en el mar sin frutas frescas.
C1 verb /ˈsætʃəˌreɪt/

saturate

saturar
Meaning
to fill completely with something until no more can be absorbed
Example
The heavy rain saturated the ground within minutes.
La lluvia intensa saturó el suelo en minutos.
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.
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.
C2 noun /sɛkˈstɛt/

sextet

sexteto
Meaning
a group of six people playing music or a piece written for six performers
Example
The jazz sextet filled the small club with a warm, layered sound.
El sexteto de jazz llenó el pequeño club con un sonido cálido y en capas.
B1 adjective /ˌstreɪtˈfɔːwəd/

straightforward

directo
Meaning
easy to understand or do; simple
Example
Her explanation was straightforward and clear.
Su explicación fue directa y clara.
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 /ˈsʌb.æs.ɪd/

subacid

ligeramente ácido
Meaning
Slightly sour or acidic in taste or nature.
Example
The fruit had a subacid flavor that was refreshing on a hot day.
La fruta tenía un sabor ligeramente ácido que era refrescante en un día caluroso.
B2 adjective /ˈslɒp.i/

Sloppy

desordenado; sucio; hecho sin cuidado o atención a los detalles
Meaning
careless; messy; done without care or attention to detail
Example
His sloppy handwriting was difficult to read.
Su escritura desordenada era difícil de leer.
B2 noun /ˈskaɪˌskreɪpər/

Skyscraper

rascacielos
Meaning
a very tall building of many stories
Example
The new skyscraper dominates the city's skyline.
El nuevo rascacielos domina el horizonte de la ciudad.
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 /ˈsloʊɡən/

slogan

eslogan
Meaning
a short and memorable phrase used to promote a cause or product
Example
The campaign used a powerful slogan to inspire people.
La campaña utilizó un eslogan poderoso para inspirar a la gente.