spearhead
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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 adjective /ˈspaɪni/

spiny

espinoso
Meaning
covered with or full of spines; having sharp points
Example
The spiny cactus stood tall in the desert.
El cactus espinoso se alzaba alto en el desierto.
C2 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.
B2 noun/verb /stʌnt/

stunt

truco, hazaña, obstaculizar el crecimiento
Meaning
a daring or unusual action performed for entertainment or publicity; to hinder growth or development
Example
The actor performed a dangerous stunt in the movie.
El actor realizó un stunt peligroso en la película.
C1 noun /ˈsɪstərhʊd/

sisterhood

hermandad
Meaning
The relationship between sisters, or a community of women united by shared experiences or goals.
Example
The feminist movement created a strong sense of sisterhood among women.
El movimiento feminista creó un fuerte sentido de hermandad entre las mujeres.
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.
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 adjective /slæk/

slack

flojo
Meaning
not tight, firm, or busy; lacking tension or activity
Example
Business is slack during the rainy season.
El negocio está flojo durante la temporada de lluvias.
C1 noun /straɪf/

strife

conflicto, lucha
Meaning
angry or violent conflict; struggle or discord
Example
The region has been torn apart by political strife.
La región ha sido desgarrada por el conflicto político.
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.
B2 adjective /ˈskɛptɪkəl/

skeptical

escéptico
Meaning
not easily convinced; having doubts or reservations
Example
She was skeptical about the new plan.
Ella era escéptica sobre el nuevo plan.
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.
C2 noun /ˌsɒ̃ˈfrwɑː/

sangfroid

autocontrol
Meaning
Composure or coolness under pressure.
Example
She impressed everyone with her sangfroid during the interview.
Ella impresionó a todos con su autocontrol durante la entrevista.
B2 noun /slæŋ/

Slang

jerga; lenguaje informal
Meaning
very informal language that is usually spoken rather than written
Example
The teenagers used slang that their parents couldn't understand.
Los adolescentes usaron jerga que sus padres no pudieron entender.
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.
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 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.
B1 verb /ʃaʊt/

shout

gritar
Meaning
to say something very loudly
Example
He shouted at the top of his lungs to get their attention.
Él gritó tan fuerte como pudo para captar su atención.
C1 noun /ˌsɛnsəˈbɪləti/

Sensibility

sensibilidad
Meaning
the ability to appreciate and respond to complex emotional or aesthetic influences; sensitivity
Example
Her artistic sensibility made her appreciate fine details in paintings.
Su sensibilidad artística la hizo apreciar los detalles finos en las pinturas.
B1 noun /ˈsʌp.ər/

Supper

cena
Meaning
an evening meal, typically a light or informal one
Example
We usually have supper around seven o'clock.
Normalmente cenamos alrededor de las siete en punto.
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.
C2 noun /ˈsteɪtkraft/

statecraft

arte del gobierno
Meaning
The art of governing and managing state affairs effectively.
Example
The leader was praised for his exceptional statecraft in handling international relations.
El líder fue elogiado por su excepcional arte del gobierno en el manejo de relaciones internacionales.
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.
C1 adjective skiˈmæt.ɪk

Schematic

relacionado con un esquema o de forma resumida
Meaning
Presenting some framework or concept briefly
Example
The engineer provided a schematic diagram of the project.
El ingeniero proporcionó un diagrama esquemático del proyecto.
C2 verb /ˈsʌblɪmeɪt/

sublimate

transformar en actividades más elevadas
Meaning
to redirect strong emotions or desires into socially acceptable activities or channels
Example
She sublimated her anger into painting beautiful landscapes.
Ella sublimó su ira en pintar hermosos paisajes.
B2 adjective /ˈstɑː.ri/

Starry

estrellado; brillante;
Meaning
full of stars; shining like stars; relating to stars
Example
We enjoyed the starry night sky while camping in the mountains.
Disfrutamos del cielo estrellado mientras acampábamos en las montañas.
B2 adjective /slɪm/

slim

delgado
Meaning
thin in an attractive or healthy way; small in amount or chance
Example
She looked slim in her new dress.
Ella se veía delgada en su nuevo vestido.
C2 adjective /sɪˈkweɪʃəs/

sequacious

seguidor ciego
Meaning
Lacking independence of thought; blindly following.
Example
The sequacious students never questioned their teacher's opinions.
Los estudiantes sequacios nunca cuestionaron las opiniones de su maestro.
A2 adjective /ˈsʌn.i/

Sunny

soleado; optimista
Meaning
bright with sunlight; cheerful and optimistic
Example
It's a beautiful sunny day perfect for a picnic.
Es un hermoso día soleado, perfecto para un picnic.
B2 noun /səbˈskraɪbər/

subscriber

suscriptor
Meaning
a person who receives or subscribes to a service, magazine, or service
Example
She is a subscriber to the monthly magazine.
Ella es suscriptora de la revista mensual.
C1 noun /ˈsed.ɪ.mənt/

Sediment

sedimento
Meaning
matter that settles to the bottom of a liquid; particles deposited by water or wind
Example
The river carried sediment downstream during the flood.
El río llevó sedimento río abajo durante la inundación.
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.
C2 noun /ˈsɪlvər kɑrp/

Silver carp

carpa plateada
Meaning
a large freshwater fish with silvery scales, commonly farmed for food
Example
Silver carp is widely cultivated in fish farms across Asia.
La carpa plateada se cultiva ampliamente en las granjas de peces de Asia.
C1 noun stɔːrm ɪnˌtensɪfɪˈkeɪʃən

storm intensification

intensificación de la tormenta
Meaning
The process by which storms become stronger and more severe in intensity.
Example
Storm intensification is linked to climate change.
La intensificación de la tormenta está vinculada al cambio climático.
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.
B2 verb /swer/

swear

jurar; maldecir; prometer solemnemente
Meaning
to use offensive language; to promise solemnly; to take an oath
Example
I swear to tell the truth.
Juro decir la verdad.
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.
B2 verb /stɪŋ/

sting

picar
Meaning
to pierce with a sharp point; to cause sharp pain
Example
The bee stung him on his arm while he was gardening.
La abeja lo picó en el brazo mientras él estaba jardineando.
C2 verb /stɑːntʃ/

stanch

detener el flujo de sangre
Meaning
to stop the flow of blood or liquid from a wound or source
Example
The nurse quickly stanched the bleeding from the cut.
la enfermera rápidamente detuvo el sangrado de la herida.
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 /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.
B1 noun /seɪnt/

Saint

persona reconocida como santa o virtuosa; persona muy amable o paciente
Meaning
person recognized as holy or virtuous; very kind or patient person
Example
Mother Teresa was declared a saint by the Catholic Church.
Madre Teresa fue declarada santa por la Iglesia Católica.
C1 noun /sʌˈmeɪʃən/

summation

suma, resumen
Meaning
The process of adding things together; a summary of points.
Example
The lawyer gave a powerful summation of the case.
El abogado dio un poderoso resumen del caso.
B2 adjective /ʃɪər/

Sheer

completo; absoluto; transparente; muy empinado
Meaning
complete; absolute; transparent; very steep
Example
It was sheer luck that we found the place.
Fue pura suerte que encontramos el lugar.
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?
C1 noun /sɪlt/

silt

lodo
Meaning
Fine sand, clay, or other material carried by running water and deposited as a sediment.
Example
The river deposited layers of silt along its banks.
El río depositó capas de lodo a lo largo de sus orillas.
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.
C1 adjective /ˈsɛreɪtɪd/

serrated

dentado
Meaning
Having a notched or saw-toothed edge.
Example
The bread knife had a serrated blade.
El cuchillo de pan tenía una hoja dentada.
B1 verb /səˈspɛkt/

suspect

sospechar
Meaning
to believe that someone has done something wrong; to doubt or mistrust
Example
I suspect he is lying about his whereabouts.
Sospecho que está mintiendo sobre su paradero.
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.
B2 noun, verb /striːk/

streak

rastro o línea; moverse rápidamente en una dirección especificada
Meaning
a long, thin line or mark; to move very quickly in a specified direction
Example
Lightning streaked across the night sky.
El rayo cruzó el cielo nocturno.
B2 adjective /ˈslʌɡ.ɪʃ/

Sluggish

lento; torpe; inactivo
Meaning
slow-moving; lacking energy or alertness; inactive
Example
The old computer became sluggish after running for hours.
El viejo ordenador se volvió lento después de funcionar durante horas.
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 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.
A2 noun /ˈsoʊ.fə/

Sofa

sofá
Meaning
a long upholstered seat for more than one person
Example
The family gathered on the sofa to watch TV.
La familia se reunió en el sofá para ver la televisión.
C2 noun /sɛnˈsɔːrɪəm/

sensorium

centro sensorial
Meaning
The part of the brain or mind concerned with the reception and interpretation of sensory stimuli.
Example
The patient’s sensorium was clouded after the accident.
El sensorium del paciente estaba nublado después del accidente.
B1 noun ˈstæn.dədz

standards

estándares
Meaning
A level of quality or attainment; a required or agreed level of quality or attainment.
Example
High standards inspire competitors.
Los altos estándares inspiran a los competidores.
A1 noun /skaɪ/

Sky

cielo
Meaning
the region of the atmosphere and outer space seen from the earth
Example
The sky is blue today.
El cielo está azul hoy.
B2 verb /səbˈskraɪb/

subscribe

suscribirse
Meaning
to pay to receive a service regularly; to agree with or support something
Example
I subscribe to several online magazines.
Me suscribo a varias revistas en línea.
C1 noun /ˈsɪndɪkət/

syndicate

sindicato
Meaning
A group of individuals or organizations combined to promote a common interest or carry out a business venture.
Example
A syndicate of investors bought the struggling company.
Un sindicato de inversores compró la empresa en apuros.
B1 verb /seɪl/

sail

navegar con velas
Meaning
to travel on water in a boat or ship using sails or by wind power
Example
They sailed across the Atlantic Ocean last summer.
Ellos navegaron a través del océano Atlántico el verano pasado.
B2 adjective spekˈtækjʊlər

spectacular

espectacular
Meaning
Beautiful in a dramatic and eye-catching way; very impressive.
Example
The launch of the spacecraft was a spectacular event.
El lanzamiento de la nave espacial fue un evento espectacular.
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.
C1 adjective /sliːk/

sleek

elegante y brillante
Meaning
smooth, shiny, and stylish
Example
She drove a sleek black sports car.
Ella condujo un coche deportivo brillante y elegante.
C1 verb /sɪˈdjuːs/

seduce

seducir
Meaning
to attract someone into doing something, especially something they might not normally do
Example
The advertisement was designed to seduce customers into buying luxury products.
El anuncio estaba diseñado para seducir a los clientes a comprar productos de lujo.
B1 noun /ˈʃed.juːl/

Schedule

horario; plan de eventos;
Meaning
a plan that lists things or events and the times when they will happen; timetable
Example
Please check your schedule before confirming the meeting time.
Por favor, verifica tu horario antes de confirmar la hora de la reunión.
B1 noun /ˈswɛtʃɜːrt/

sweatshirt

sudadera
Meaning
A casual, long-sleeved pullover garment, typically made of cotton or fleece, worn for warmth or comfort.
Example
He wore a grey sweatshirt while jogging in the park.
Llevaba una sudadera gris mientras corría en el parque.
B2 adjective /swɪft/

swift

rápido
Meaning
moving very quickly; happening promptly
Example
The river current was swift after the heavy rain.
La corriente del río fue rápida después de la intensa lluvia.
B2 noun ˌsænɪˈteɪʃən

sanitation

saneamiento
Meaning
Conditions relating to public health, especially the provision of clean drinking water and adequate sewage disposal.
Example
Good sanitation practices are key to preventing infestations.
Las buenas prácticas de saneamiento son clave para prevenir infestaciones.
B2 adjective /slaɪ/

sly

astuto / sagaz
Meaning
Clever in a deceitful or cunning way.
Example
She gave him a sly smile.
Ella le dio una sonrisa astuta.
C2 adjective /sɪər/

sere

seco
Meaning
Dry or withered, especially vegetation.
Example
The sere leaves crumbled under his feet.
Las hojas secas se desmoronaron bajo sus pies.
B2 adjective /səbˈstæn.ʃəl/

Substantial

sustancial; considerable; importante
Meaning
large in size, amount, or importance; considerable; significant
Example
There was a substantial increase in sales this quarter.
Hubo un aumento sustancial en las ventas de este trimestre.
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 noun /ˈspɒt.ɪd sneɪk hed/

Spotted snake head

pez cabeza de serpiente moteada
Meaning
a type of freshwater fish with spotted markings and an elongated head resembling a snake
Example
The spotted snake head is a popular fish for aquaculture in South Asia.
El pez cabeza de serpiente moteada es popular para la acuicultura en el sur de Asia.
C1 verb /skwɪnt/

squint

entrecerrar los ojos
Meaning
to look with partly closed eyes
Example
She squinted at the bright sunlight.
Ella entrecerró los ojos por la luz brillante del sol.
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.
B2 adjective /ˈsoʊ.vi.ət/

soviet

soviético
Meaning
relating to the Soviet Union or its government
Example
The Soviet era saw significant changes in Eastern Europe.
La era soviética vio cambios significativos en Europa del Este.
B1 noun /ˈsæm.pəl/

Sample

muestra
Meaning
a small part taken as an example of the whole; a specimen
Example
The doctor took a blood sample for testing.
El doctor tomó una muestra de sangre para la prueba.
C2 noun /sɜːrˈsiːs/

surcease

cese
Meaning
a temporary or final ending or stopping of something
Example
The noise finally came to a surcease after midnight.
El ruido finalmente llegó a un cese después de medianoche.
C1 noun /ˈsʌm.ɪt əv ðə ˈfjuː.tʃər/

Summit of the Future

Cumbre del futuro
Meaning
A high-level conference focused on addressing future challenges and opportunities.
Example
The Summit of the Future addressed global challenges.
La Cumbre del Futuro abordó los desafíos globales.
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.
C2 noun /ˌʃæŋɡriˈlɑː/

shangri-la

paraíso imaginario
Meaning
a remote, beautiful, imaginary place where life is perfect and peaceful
Example
They described the island as a modern-day Shangri-La.
Describieron la isla como un Shangri-La moderno.
B2 adjective /ˈsæv.ɪdʒ/

Savage

salvaje; feroz; incivilizado
Meaning
extremely cruel or violent; wild and fierce; uncivilized
Example
The savage attack shocked everyone.
El ataque salvaje sorprendió a todos.
A1 noun /skuːl/

school

escuela
Meaning
An institution for educating children; also a group of people sharing the same ideas or discipline.
Example
The children walked to school together.
Los niños caminaron juntos a la escuela.
C1 adjective /səˈdɪs.tɪk/

sadistic

sádico
Meaning
Deriving pleasure from inflicting pain or suffering on others.
Example
The villain had a sadistic smile while hurting his enemies.
El villano tenía una sonrisa sádica mientras lastimaba a sus enemigos.
A1 adjective /ʃʊr/

Sure

seguro; ciertamente
Meaning
completely confident that something is true; certain; definitely true
Example
I am sure that he will come tomorrow.
Estoy seguro de que él vendrá mañana.
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.
A2 noun /ˈsɪz.ərz/

Scissors

tijeras
Meaning
a cutting instrument with two sharp blades that are joined and work against each other
Example
She used scissors to cut the paper into small pieces.
Ella usó las tijeras para cortar el papel en pedazos pequeños.
C2 adjective /spraɪ/

spry

ágil
Meaning
active and lively, especially in old age
Example
The spry grandmother surprised everyone with her quick dance steps.
La abuela ágil sorprendió a todos con sus rápidos pasos de baile.
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.
C2 noun /ˈʃɑːdənfrɔɪdə/

schadenfreude

placer derivado de la desgracia ajena
Meaning
pleasure derived from another person's misfortune
Example
He felt a sense of schadenfreude when his rival failed.
Sintió una sensación de schadenfreude cuando su rival fracasó.
C2 noun /ˈsɒfɪstri/

sophistry

sofistería
Meaning
the use of clever but false arguments, often to deceive
Example
The politician's speech was full of sophistry.
El discurso del político estaba lleno de sofistería.
A2 noun ˈsaɪən.tɪst

scientist

científico
Meaning
A person who is studying or has expert knowledge of one or more of the natural or physical sciences.
Example
The scientist proposed data-driven reforms.
El científico propuso reformas basadas en datos.
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 noun /ʃruː/

shrew

mujer irritable / animal parecido a un ratón
Meaning
a small mouse-like animal; also a woman with a bad temper
Example
The play describes a strong-willed woman as a shrew.
La obra describe a una mujer de voluntad fuerte como una mujer irritable.
C1 noun ˈsɪnədʒi

synergy

sinergia, cooperación
Meaning
The interaction or cooperation of two or more organizations, substances, or other agents to produce a combined effect greater than the sum of their separate effects.
Example
The synergy between the two companies led to a successful partnership.
La sinergia entre las dos empresas condujo a una exitosa asociación.
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 /ˈsɪnjuː/

sinew

tendón
Meaning
A tendon; figuratively, the source of strength, power, or resilience.
Example
The sinews in his arms stood out as he lifted the heavy box.
Los tendones en sus brazos se destacaron cuando levantó la caja pesada.
B1 noun /sɔːrs/

Source

fuente
Meaning
a place, person, or thing from which something originates; the origin of information
Example
The river's source is high in the mountains.
La fuente del río se encuentra alta en las montañas.
B1 verb /spaɪ/

spy

espía
Meaning
to secretly collect information about a person, group, or country
Example
He was caught spying on his neighbor through the window.
Lo atraparon espiando a su vecino a través de la ventana.
B2 noun /ˈsɪnθɪsɪs/

synthesis

síntesis, combinación
Meaning
The combination of ideas to form a theory or system.
Example
The synthesis of ideas from multiple perspectives led to innovation.
La síntesis de ideas desde múltiples perspectivas condujo a la innovación.
C1 adjective /səˈdʒɛstɪv/

suggestive

sugestivo
Meaning
tending to suggest ideas or images; sometimes implies something sexual or provocative
Example
The painting was highly suggestive and sparked much debate.
La pintura era muy sugestiva y provocó mucho debate.
C2 noun /spɪˈlʌŋkər/

spelunker

espeleólogo
Meaning
A person who explores caves as a hobby.
Example
The spelunker carried ropes and lights into the dark cave.
El espeleólogo llevó cuerdas y luces a la cueva oscura.
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 noun /ˈsɜːrmən/

sermon

sermón
Meaning
A religious discourse delivered by a preacher, often offering moral instruction or spiritual guidance.
Example
The pastor gave a moving sermon about compassion and forgiveness.
El pastor dio un sermón conmovedor sobre la compasión y el perdón.
B2 noun /ʃɪt/

shit

caca
Meaning
a vulgar term for feces or excrement
Example
The dog made a mess by leaving its shit on the floor.
El perro hizo un desorden al dejar su caca en el suelo.
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.
B2 noun ˈʃeɪdɪd ˈɛəriə

shaded area

área sombreada
Meaning
An area that is protected from direct sunlight.
Example
We sat in a shaded area by the riverbank.
Nos sentamos en un área sombreada junto al río.
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.
B1 adverb /səˈpraɪzɪŋli/

surprisingly

sorprendentemente
Meaning
in a way that causes surprise or amazement
Example
Surprisingly, she finished the entire project in just one day.
Sorprendentemente, terminó todo el proyecto en solo un día.
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.
B2 noun /ˈskɒl.ər/

Scholar

erudito; académico
Meaning
a person who has studied a subject for a long time and knows a lot about it; an academic
Example
The renowned scholar published several books on ancient history.
El erudito renombrado publicó varios libros sobre historia antigua.
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.
C2 verb /sʌbˈtɛnd/

subtend

subtender
Meaning
To extend across or form an angle at a particular point, often used in geometry.
Example
The arc subtends a 60-degree angle at the center of the circle.
El arco subtende un ángulo de 60 grados en el centro del círculo.
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.
C2 noun /ˌspoʊliˈeɪʃən/

spoliation

destrucción
Meaning
The act of destroying or ruining something, often evidence or property.
Example
The court punished the company for the spoliation of evidence.
El tribunal castigó a la empresa por la destrucción de pruebas.
C1 adjective /ˈsɛnʃənt/

sentient

sensible
Meaning
Able to perceive or feel things.
Example
Humans are sentient beings capable of reasoning.
Los humanos son seres sentientes capaces de razonar.
B2 adjective /steɪl/

Stale

rancio; viejo; sin frescura
Meaning
no longer fresh; lacking originality or novelty
Example
The bread became stale after sitting out for three days.
El pan se volvió rancio después de estar fuera durante tres días.
C2 verb /ˈsʌk.əl/

suckle

amamantar
Meaning
to feed a baby or young animal with milk from the breast or udder
Example
The mother cat suckled her kittens in the basket.
La madre gata amamantó a sus gatitos en la cesta.
C2 verb /ˌsuːpərˈæd/

superadd

superagregar
Meaning
to add something to what has already been added
Example
The author chose to superadd a new chapter to the revised edition.
El autor eligió superagregar un nuevo capítulo a la edición revisada.
B1 noun /ˈspæroʊ/

Sparrow

gorrión
Meaning
small brown and grey bird commonly found in cities and towns
Example
The sparrow chirped cheerfully from the tree branch.
El gorrión cantó alegremente desde la rama del árbol.