slab
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C1 noun /slæb/

slab

losa
Meaning
a large, thick, flat piece of stone, concrete, or other hard material
Example
The workers laid a concrete slab for the foundation.
Los trabajadores colocaron una losa de concreto para la fundación.
C1 noun /ˈspɪnstər/

spinster

soltera
Meaning
An unmarried woman, often one who is older and considered unlikely to marry
Example
The novel featured a kind-hearted spinster who cared for the village children.
La novela presentó a una soltera de buen corazón que cuidaba a los niños del pueblo.
A2 noun /ʃiːt/

sheet

sábana
Meaning
a large piece of cloth or paper, typically used to cover or protect something
Example
I need a clean sheet to cover the bed.
Necesito una sábana limpia para cubrir la cama.
A2 adjective /ˈʃaɪ.ni/

Shiny

brillante; reluciente;
Meaning
reflecting light; bright and polished; glossy
Example
The shiny new car caught everyone's attention.
El coche nuevo brillante llamó la atención de todos.
C1 verb /snʌb/

snub

despreciar
Meaning
to insult or ignore someone by treating them rudely
Example
He felt hurt when his invitation was snubbed.
Él se sintió herido cuando su invitación fue despreciada.
C1 adjective /ˈsʌpl/

supple

flexible
Meaning
Easily bending or moving without breaking; flexible and adaptable.
Example
The gymnast’s body was remarkably supple.
El cuerpo de la gimnasta era notablemente flexible.
B2 noun, verb /steɪk/

stake

participación, riesgo
Meaning
A share or interest in a business or venture; to risk or support something of value.
Example
He has a major stake in the new company.
Él tiene una participación importante en la nueva empresa.
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.
A1 noun /ʃuː/

Shoe

zapato
Meaning
covering for the foot, typically made of leather or cloth
Example
She bought a new pair of running shoes for exercise.
Ella compró un par de zapatos para correr para hacer ejercicio.
A1 verb /spik/

speak

hablar
Meaning
to say words; to communicate verbally
Example
She can speak three languages fluently.
Ella puede hablar tres idiomas con fluidez.
C1 noun/verb /skɜːrdʒ/

scourge

maldición / flagelo
Meaning
A source of great pain or punishment; to whip or inflict suffering on someone.
Example
Disease and poverty remain a scourge in many regions.
La enfermedad y la pobreza siguen siendo una maldición en muchas regiones.
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 /ˈsɛmbləns/

Semblance

semblanza; apariencia
Meaning
the outward appearance or apparent form of something, especially when the reality is different
Example
There was only a semblance of order in the chaotic office.
Solo había una semblanza de orden en la oficina caótica
B2 verb /stɪə(r)/

steer

dirigir
Meaning
to guide or control the movement of a vehicle, vessel, or person
Example
He steered the car carefully through the narrow street.
Él dirigió el coche cuidadosamente por la calle estrecha.
C1 adjective /səˈtɪrɪkəl/

satirical

satírico
Meaning
containing or using satire to criticize or mock
Example
The satirical cartoon mocked the government's new policy.
El dibujo satírico burló la nueva política del gobierno.
A2 noun /ˈsiː.nər.i/

Scenery

paisaje
Meaning
the natural features of a landscape; the painted background used on a theater stage
Example
The mountain scenery was breathtakingly beautiful.
El paisaje montañoso era impresionante.
B2 adjective /ˈspɛʃəˌlaɪzd/

specialized

especializado
Meaning
designed or developed for a particular purpose or function
Example
He has a specialized knowledge of ancient civilizations.
Él tiene un conocimiento especializado de las civilizaciones antiguas.
A1 adverb /ˈsʌm.taɪmz/

Sometimes

a veces
Meaning
at times; occasionally; now and then
Example
Sometimes I go for a walk in the evening.
A veces doy un paseo por la tarde.
B2 verb /skreɪp/

scrape

raspar
Meaning
to remove or damage the surface of something by rubbing or scratching; to collect something by effort
Example
He scraped his knee while playing football.
Se raspó la rodilla mientras jugaba al fútbol.
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.
B2 noun /ˈsuː.ɪ.saɪd/

Suicide

suicidio
Meaning
the act of intentionally killing oneself
Example
Mental health professionals work to prevent suicide.
Los profesionales de la salud mental trabajan para prevenir el suicidio.
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 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.
B2 noun /sɪlk/

silk

seda
Meaning
a fine, smooth fabric made from the threads produced by silkworms
Example
The dress was made of pure silk.
El vestido estaba hecho de seda pura.
A2 noun /səˈluː.ʃən/

Solution

solución; respuesta; mezcla líquida
Meaning
an answer to a problem; a liquid mixture
Example
We need to find a solution to this problem.
Necesitamos encontrar una solución a este problema.
C1 adjective /sər'pæs.ɪŋ/

Surpassing

sobresaliente; superior; extraordinario
Meaning
exceeding; going beyond; outstanding
Example
Her surpassing beauty made everyone stop and stare.
Su belleza sobresaliente hizo que todos se detuvieran y la miraran.
C1 noun ˌsɛlf.rɪˈstreɪnt

self-restraint

autocontrol
Meaning
The practice of restraining oneself from indulging in something, typically an impulse or desire.
Example
Practicing self-restraint helps in avoiding impulsive decisions.
Practicar el autocontrol ayuda a evitar decisiones impulsivas.
A2 noun /seɪl/

sale

venta
Meaning
the exchange of a commodity for money; the action of selling something
Example
The store is having a sale on winter clothing.
La tienda está teniendo una venta de ropa de invierno.
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 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.
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.
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 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.
C1 adjective /ˈsæv.i/

savvy

astuto, sabio
Meaning
Having practical knowledge and the ability to make good judgments.
Example
She is a tech-savvy entrepreneur.
Ella es una emprendedora experta en tecnología.
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.
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.
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 adjective /ˈsaʊnd.pruːf/

Sound-proof

a prueba de sonido; que evita que el sonido entre o salga
Meaning
impervious to sound; preventing sound from entering or leaving
Example
The recording studio has sound-proof walls.
El estudio de grabación tiene paredes a prueba de sonido.
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.
B2 noun/verb /swɑːmp/

swamp

pantano
Meaning
An area of low-lying, uncultivated ground where water collects; a bog or marsh.
Example
The village was built near a swamp.
El pueblo fue construido cerca de un pantano.
C2 noun /ˈsɜːrfɪt/

surfeit

exceso
Meaning
an excessive amount of something
Example
There was a surfeit of food at the festival.
Había un exceso de comida en el festival.
C2 adjective /ˈsmɑːrmi/

smarmy

adulador / falsa cortesía
Meaning
Excessively flattering or ingratiating, often insincerely.
Example
The salesman gave a smarmy pitch that felt fake.
El vendedor dio una charla aduladora que se sintió falsa.
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.
B2 noun /siːdʒ/

siege

asedio
Meaning
A military operation in which a place is surrounded to force its surrender.
Example
The castle fell after a long siege.
El castillo cayó después de un largo asedio.
B2 noun /ˈʃepərd/

Shepherd

pastor
Meaning
a person who tends and guards sheep
Example
The shepherd guided his flock to the green pasture.
El pastor guió su rebaño hacia el pasto verde.
A2 noun /soʊp/

Soap

jabón
Meaning
a cleaning agent made from fats or oils and used for washing
Example
Please wash your hands with soap and water.
Por favor, lávese las manos con jabón y agua.
B1 noun /ʃɒk/

shock

shock
Meaning
a sudden upsetting or surprising event or experience
Example
The news of his sudden departure was a shock to everyone.
La noticia de su repentina partida fue un shock para todos.
B2 noun /ˈsɑːrdʒənt/

sergeant

sargento
Meaning
A rank of non-commissioned officer in the armed forces or police.
Example
The sergeant gave orders to the soldiers before the mission.
El sargento dio órdenes a los soldados antes de la misión.
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.
A1 noun/adjective /saʊθ/

south

sur
Meaning
the direction towards the bottom of a map, opposite to north
Example
The sun rises in the east and sets in the south.
El sol sale por el este y se pone por el sur.
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.
B2 adjective /ˈʃɔːrt ˌtempərd/

Short-tempered

irritable; fácilmente enfadado
Meaning
quick to lose one's temper; easily angered
Example
She became short-tempered when the traffic made her late for the meeting.
Ella se volvió irritable cuando el tráfico la hizo llegar tarde a la reunión.
C1 noun səˌfɪs.tɪˈkeɪ.ʃən

sophistication

nivel alto de complejidad o refinamiento
Meaning
High level of complexity or refinement.
Example
The sophistication of modern AI technology is remarkable.
La sofisticación de la tecnología moderna de IA es notable.
C1 noun/verb /ˈskɜːrmɪʃ/

skirmish

escaramuza
Meaning
a small or brief fight between groups of soldiers; to engage in such a fight
Example
The soldiers got into a skirmish near the border.
Los soldados se metieron en una escaramuza cerca de la frontera.
C1 adjective /ˈskrʌfi/

Scruffy

desaliñado o desordenado en apariencia; sucio y desgastado
Meaning
untidy or unkempt in appearance; shabby and worn
Example
The scruffy old dog wandered through the streets looking for food.
El perro desaliñado caminó por las calles buscando comida.
B2 adjective /ˈstɛdi/

steady

firme
Meaning
firm, stable, and not likely to change suddenly
Example
He kept his hand steady while painting the picture.
Mantuvo su mano firme mientras pintaba el cuadro.
C1 noun /ˌsʌb.stɪˈtjuː.ʃən/

substitution

sustitución
Meaning
the action of replacing someone or something with another
Example
The substitution of the old system with the new one was difficult.
La sustitución del antiguo sistema por el nuevo fue difícil.
C1 verb /ʃɜːrk/

shirk

evitar
Meaning
to avoid or neglect a duty or responsibility
Example
He always tries to shirk his responsibilities at work.
Él siempre trata de evitar sus responsabilidades en el trabajo.
B2 noun /səˈlɪsɪtər/

solicitor

abogado
Meaning
A type of lawyer who gives legal advice and prepares legal documents, often representing clients in lower courts.
Example
She consulted a solicitor before signing the contract.
Consultó a un abogado antes de firmar el contrato.
B2 noun /ˈsæŋk.tʃuˌɛr.i/

sanctuary

santuario
Meaning
A place of safety, refuge, or protection; a sacred place.
Example
The forest is a sanctuary for endangered animals.
El bosque es un santuario para los animales en peligro de extinción.
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.
B2 adjective /ˈsoʊlər/

solar

solar
Meaning
Relating to or determined by the sun
Example
The house is powered by solar energy.
La casa está alimentada por energía solar.
B1 noun /ˈspeʃəlɪst/

Specialist

especialista
Meaning
a person who has specialized knowledge or training in a particular area; an expert
Example
She consulted a heart specialist about her condition.
Ella consultó a un especialista en corazón sobre su condición.
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.
B2 noun /ˈspɒnsəʃɪp/

sponsorship

patrocinio
Meaning
the act of supporting an event, activity, person, or organization financially or through other resources
Example
The event was made possible due to the sponsorship of several big companies.
El evento fue posible gracias al patrocinio de varias grandes empresas.
C1 adjective /ˈsliːzi/

sleazy

de mala calidad, inmoral o barato
Meaning
morally low, dirty, or cheap in quality
Example
He avoided the sleazy nightclub downtown.
Él evitó el club nocturno sórdido en el centro.
C2 noun /ˈseɪ.li.əns/

salience

saliencia
Meaning
The quality of being particularly noticeable or important; prominence.
Example
The salience of the issue was highlighted in the debate.
La saliencia del asunto se destacó en el debate.
B2 noun /ˈsɪmfəni/

Symphony

sinfonía
Meaning
an elaborate musical composition for full orchestra, typically in four movements
Example
The orchestra performed Beethoven's Fifth Symphony.
La orquesta interpretó la Quinta Sinfonía de Beethoven.
A2 adverb /ˈsʌm.haʊ/

Somehow

de alguna manera;
Meaning
in some way; for some reason that is not clear
Example
Somehow, I managed to finish the project on time.
De alguna manera, logré terminar el proyecto a tiempo.
A1 adverb /suːn/

Soon

pronto
Meaning
in a short time; before long; quickly
Example
The train will arrive soon.
El tren llegará pronto.
B2 verb /ˈsʌfəkeɪt/

suffocate

asfixiar
Meaning
to cause someone to die or have difficulty breathing by depriving them of air
Example
The child nearly suffocated when trapped in the locked room.
El niño casi se asfixió cuando quedó atrapado en la habitación cerrada.
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 adjective /ˈsɜːrli/

surly

gruñón
Meaning
bad-tempered and unfriendly
Example
The waiter gave us a surly look when we asked for more water.
El camarero nos miró de forma gruñona cuando pedimos más agua.
C1 adjective /ˈskrɔːni/

scrawny

flaco
Meaning
very thin and bony, often looking unhealthy
Example
The scrawny boy could barely lift the heavy bag.
El chico flaco apenas podía levantar la bolsa pesada.
C2 adjective /ˌsɪkəˈfæntɪk/

sycophantic

sicomático
Meaning
Behaving in a way that is excessively obedient or servile to gain favor.
Example
His sycophantic behavior annoyed his colleagues.
Su comportamiento sicomático molestaba a sus compañeros de trabajo.
A1 noun /suːp/

Soup

sopa
Meaning
a liquid food made by boiling meat, vegetables, or other ingredients in water
Example
I had a bowl of chicken soup for lunch.
Tuve un tazón de sopa de pollo para el almuerzo.
C1 verb /ˈsɔːntər/

saunter

caminar despacio
Meaning
to walk in a slow, relaxed manner without hurry or effort
Example
We sauntered along the riverside, stopping now and then to watch the boats.
Caminamos lentamente por la orilla del río, deteniéndonos de vez en cuando para observar los botes.
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 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.
B2 adjective /ˈsoʊloʊ/

solo

solo
Meaning
performed by one person alone; a single performance
Example
She decided to perform a solo dance at the talent show.
Decidió hacer un baile solo en el show de talentos.
A2 noun /ʃɪp/

Ship

barco
Meaning
a large watercraft that travels the world's oceans and seas
Example
The cargo ship departed from the port at dawn.
El barco de carga zarpó del puerto al amanecer.
B2 verb /ˈsʌmən/

summon

convocar, llamar
Meaning
To order someone to come or to gather courage or strength.
Example
The king summoned his advisors to the court.
El rey convocó a sus asesores al tribunal.
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 noun /ˈsaɪ.ə.lɪz.əm/

sciolism

pretensión de conocimiento superficial
Meaning
pretentious show of superficial knowledge
Example
His speech was full of sciolism, impressing no one.
Su discurso estaba lleno de sciolismo, sin impresionar a nadie.
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 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.
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.
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.
C1 adjective /ˌsɛlf ɪˈfeɪsɪŋ/

self-effacing

modesto
Meaning
not drawing attention to oneself; modest
Example
Despite his success, he remained self-effacing and humble.
A pesar de su éxito, él se mantuvo modesto y humilde.
A2 adverb /ˈsɪm.pli/

Simply

simplemente; solo;
Meaning
in a clear and easy way; merely; just
Example
I simply wanted to help you with your homework.
Yo simplemente quería ayudarte con tu tarea.
C2 noun /ˈsɪŋ.krə.ni/

synchrony

sincronía
Meaning
Coordination in time, harmony in action or movement.
Example
Their dance performance showed perfect synchrony.
Su actuación de baile mostró una sincronía perfecta.
B2 adverb /ˈsiː.krət.li/

secretly

secretamente
Meaning
in a way that is hidden or not known by others
Example
She secretly planned a surprise party for her friend.
Ella planeó secretamente una fiesta sorpresa para su amiga.
A2 adjective /skɛrd/

scared

asustado
Meaning
feeling afraid or worried
Example
She was scared of the dark.
Ella tenía miedo de la oscuridad.
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.
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.
A2 noun /skɪl/

skill

habilidad
Meaning
the ability to do something well through training or experience
Example
Her skill in painting impressed everyone.
Su habilidad en la pintura impresionó a todos.
A2 noun /ˈseɪf.ti/

Safety

seguridad
Meaning
condition of being protected from danger, risk, or injury
Example
The company prioritizes workplace safety above all else.
La empresa prioriza la seguridad en el lugar de trabajo por encima de todo.
B2 verb /ˈʃætər/

shatter

romper
Meaning
To break suddenly into many small pieces.
Example
The glass will shatter if you drop it.
El vidrio se romperá si lo dejas caer.
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.
A1 pronoun /ˈsʌmbədi/

somebody

alguien
Meaning
an unspecified person
Example
Somebody is knocking at the door.
Alguien está tocando la puerta.
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.
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.
B2 verb /ˈsuːpərvaɪz/

supervise

supervisar
Meaning
to watch and direct a person or activity to ensure things are done correctly
Example
The teacher supervises students during the exam.
El maestro supervisa a los estudiantes durante el examen.
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.
C1 adjective /ˈsnɒbɪʃ/

snobbish

presuntuoso
Meaning
having or showing the attitude of people who think they are better than others
Example
She seemed snobbish because she avoided talking to the waiters.
Ella parecía presuntuosa porque evitó hablar con los camareros.
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.
C1 adjective /ˈspeɪʃəl/

spatial

espacial
Meaning
relating to space or the position, area, and size of things
Example
The scientist studied the spatial arrangement of stars.
El científico estudió la disposición espacial de las estrellas.
C1 noun /slɪt/

Slit

rendija
Meaning
a long narrow opening or cut
Example
There was a small slit in the fabric.
Había una pequeña rendija en la tela.
C1 adjective /sɪər/

Sear

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

Supplementary

suplementario; adicional; extra
Meaning
completing or making an addition to something; additional; extra
Example
Students need to buy supplementary books for the course.
Los estudiantes necesitan comprar libros suplementarios para el curso.
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 adjective strəˈtiː.dʒɪk

strategic

estratégico
Meaning
Relating to the identification of long-term or overall aims and interests and the means of achieving them.
Example
Strategic policies enhance competitiveness.
Las políticas estratégicas mejoran la competitividad.
B2 noun /ˈskɔːr.pi.ən/

Scorpion

escorpión
Meaning
a small creature with eight legs, two claws, and a curved tail with a poisonous sting
Example
The scorpion hid under the rock during the day.
El escorpión se escondió debajo de la roca durante el día.
C1 noun /ˈsɪmətri/

symmetry

simetría
Meaning
the quality of having balanced proportions or identical parts facing each other
Example
The building’s symmetry impressed the visitors.
La simetría del edificio impresionó a los visitantes.
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.
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.
C1 adjective /ˈsɪm.jʊ.leɪ.tɪd/

simulated

simulado
Meaning
Artificially created to look real but not actually real.
Example
The pilot trained in a simulated flight environment.
El piloto entrenó en un ambiente de vuelo simulado.
B2 noun /ˌsuːpərˈvɪʒən/

supervision

supervisión
Meaning
the action or process of overseeing or managing something or someone
Example
The project was completed under the supervision of an experienced manager.
El proyecto se completó bajo la supervisión de un gerente experimentado.
B1 noun /ˈseɪ.lər/

Sailor

marinero
Meaning
a person who works on a ship or boat; a member of a navy
Example
The experienced sailor navigated the ship through the storm.
El marinero experimentado navegó el barco a través de la tormenta.
B2 adjective səˈfɪs.tɪ.keɪ.tɪd

sophisticated

sofisticado
Meaning
Having great knowledge or experience of the world and knowing about fashion, culture, and other things that people think are socially important; highly developed or complex.
Example
Sophisticated designs enhance aesthetics.
Los diseños sofisticados mejoran la estética.
B2 adjective ˈsiːm.ləs

seamless

sin interrupciones
Meaning
A process or service that works without any interruption.
Example
A seamless checkout process improves user satisfaction.
Un proceso de pago sin interrupciones mejora la satisfacción del usuario.