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A2 noun /spiːd/

Speed

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

succulent

jugoso
Meaning
Juicy or full of juice; also refers to a plant with thick, fleshy leaves adapted to storing water.
Example
The steak was so succulent that everyone enjoyed it.
El filete estaba tan jugoso que todos lo disfrutaron.
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.
C1 adverb /ˈsɜːrtʃɪŋli/

searchingly

buscadoramente
Meaning
In a way that seems to look for hidden meanings or truth.
Example
She looked at him searchingly, hoping for an honest answer.
Ella lo miró buscando, esperando una respuesta honesta.
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.
C2 noun /səˈɡæs.ə.t̬i/

sagacity

sabiduría profunda
Meaning
The quality of being sagacious; having or showing keen mental discernment and good judgment.
Example
His sagacity made him a great leader.
Su sagacidad lo convirtió en un gran líder.
A2 noun /ˈsɪl.vər/

Silver

plata
Meaning
a shiny white precious metal used for making jewelry and ornaments
Example
The silver ring sparkled in the sunlight.
El anillo de plata brillaba bajo la luz del sol.
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.
C2 noun /sʌbˈɔːl.tən/

subaltern

persona en una posición subordinada; en el ejército, un oficial joven
Meaning
A person holding a subordinate position; in the military, a junior officer.
Example
The subaltern was responsible for leading a small platoon of soldiers.
El subalterno era responsable de dirigir un pequeño pelotón de soldados.
C1 noun ˈsɪn.tæks

syntax

sintaxis
Meaning
The arrangement of words and phrases to create well-formed sentences in a language.
Example
Programming languages follow strict syntax rules.
Los lenguajes de programación siguen estrictas reglas de sintaxis.
C2 adjective /səˈɡeɪ.ʃəs/

sagacious

sabio
Meaning
Having or showing keen mental discernment and good judgment; wise.
Example
His sagacious leadership saved the company from failure.
Su sabio liderazgo salvó a la empresa del fracaso.
C2 noun /ˈsɛkstənt/

sextant

sextante
Meaning
a navigational instrument with a graduated arc of 60°, used to measure the angle between a celestial object and the horizon
Example
Using a sextant, the navigator fixed the ship’s position at noon.
Usando un sextante, el navegante fijó la posición del barco al mediodía.
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.
A2 noun /ˈsɪstəm/

system

sistema
Meaning
a set of connected parts forming a complex whole; an organized method
Example
The education system needs major reforms.
El sistema educativo necesita reformas importantes.
C1 noun /ˈsɑːɡə/

saga

gran historia
Meaning
A long story of heroic achievement, or a long, complex series of events.
Example
The company's rise and fall became a corporate saga.
El ascenso y la caída de la empresa se convirtió en una saga corporativa.
A2 noun /ˈsuː.pəˌmɑː.kɪt/

supermarket

supermercado
Meaning
a large self-service store selling food and household goods
Example
She went to the supermarket to buy groceries.
Ella fue al supermercado a comprar víveres.
C2 verb /ˈsʌli/

sully

manchar
Meaning
to damage the purity, integrity, or reputation of something
Example
The scandal sullied the politician’s reputation.
El escándalo manchó la reputación del político.
C2 adjective /ˌsæsərˈdoʊtl/

sacerdotal

sacerdotal
Meaning
Relating to priests or the priesthood.
Example
The ritual had a distinctly sacerdotal character.
El ritual tenía un carácter claramente sacerdotal.
B2 adjective /sɪmˈbɒlɪk/

symbolic

simbólico
Meaning
serving as a symbol or representing something else
Example
The dove is symbolic of peace and freedom.
La paloma es simbólica de la paz y la libertad.
C1 verb /smɛlt/

smelt

fundir
Meaning
to extract metal from its ore by heating and melting
Example
The workers smelt iron from its ore in the factory.
Los trabajadores funden hierro de su mineral en la fábrica.
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.
C1 noun /ˌsɒl.jʊˈbɪləti/

solubility

solubilidad
Meaning
The ability of a substance to dissolve in a solvent.
Example
The solubility of salt in water is high.
La solubilidad de la sal en agua es alta.
C1 adjective /ˌsʌb.təˈreɪ.ni.ən/

subterranean

subterráneo
Meaning
Existing, occurring, or done under the earth's surface.
Example
Subterranean water sources help sustain agriculture.
Las fuentes de agua subterráneas ayudan a sostener la agricultura.
A2 noun /spiːtʃ/

Speech

discurso; alocución;
Meaning
formal address or discourse delivered to an audience; the expression of thoughts in spoken words
Example
The president gave an inspiring speech to the nation.
El presidente dio un discurso inspirador a la nación.
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 /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 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.
A2 noun /ˈsɛlər/

seller

felicidad
Meaning
a person who sells something
Example
The seller offered a discount on bulk purchases.
Ella no pudo ocultar su felicidad cuando recibió el premio.
B1 verb /siːk/

seek

buscar
Meaning
to try to find or obtain something; to attempt or desire to achieve
Example
He decided to seek advice from his mentor.
Decidió buscar consejo de su mentor.
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.
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.
A1 adjective /sloʊ/

slow

lento
Meaning
moving or happening at a low speed
Example
The car moved slowly down the street.
El coche se movía lentamente por la calle.
B1 noun /ˈsɜːvənt/

servant

sirviente
Meaning
a person who performs duties for others, especially in a household
Example
The servant opened the door for the guests.
El sirviente abrió la puerta para los invitados.
C1 adjective /səˈsɛp.tə.bəl/

susceptible

propenso o vulnerable a ser influenciado o dañado por algo en particular
Meaning
Likely or liable to be influenced or harmed by a particular thing.
Example
Children are more susceptible to infections.
Los niños son más susceptibles a las infecciones.
B2 verb səˈpres

suppress

reprimir
Meaning
To forcibly put an end to; to restrain or subdue.
Example
Authorities must suppress criminal activities in campuses.
Las autoridades deben reprimir las actividades criminales en los campus.
C2 noun /ˈsɪŋkrəˌnɪzəm/

synchronism

sincronización
Meaning
The simultaneous occurrence of events or actions.
Example
The synchronism of the dancers' movements amazed the audience.
La sincronización de los movimientos de los bailarines sorprendió al público.
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.
B2 noun /ˈsɑːfmɔːr/

sophomore

estudiante de segundo año
Meaning
a student in their second year of study at a university or high school
Example
He’s a sophomore in college, studying computer science.
Él es un estudiante de segundo año en la universidad, estudiando ciencias de la computación.
C1 adjective /səˈtɪrɪk/

satiric

satírico
Meaning
Relating to or using satire.
Example
The novel takes a satiric view of urban life.
La novela tiene una visión satírica de la vida urbana.
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.
B2 adjective, verb (past) /səˈspɛndɪd/

suspended

suspendido
Meaning
Temporarily not allowed, stopped, or hanging.
Example
He was suspended from school for a week.
Él fue suspendido de la escuela por una semana.
B1 noun /ˈseɪ.ɪŋ/

Saying

dicho
Meaning
a well-known phrase that expresses something true about life; a proverb
Example
There's an old saying that practice makes perfect.
Hay un viejo dicho que dice que la práctica hace al maestro.
B2 noun /slɒt/

slot

ranura
Meaning
a narrow opening into which something fits or is placed
Example
Insert the card into the slot to open the door.
Inserta la tarjeta en la ranura para abrir la puerta.
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/noun /staʊt/

stout

grueso / robusto
Meaning
Strong, thick, or heavily built; also a kind of dark beer
Example
The stout man lifted the heavy box with ease.
El hombre grueso levantó la caja pesada con facilidad.
B2 noun /sɪɡˈnɪf.ɪ.kəns/

Significance

significado
Meaning
the quality of being worthy of attention; importance
Example
The discovery has great significance for medical research.
El descubrimiento tiene gran importancia para la investigación médica.
B2 noun /ˈsuːpəvaɪzə(r)/

supervisor

supervisor
Meaning
a person who manages or directs the work of others
Example
The supervisor checked the progress of each employee.
El supervisor revisó el progreso de cada empleado.
B2 noun /səˈraʊn.dɪŋz/

surroundings

alrededores
Meaning
The area around a person, place, or thing.
Example
She quickly adapted to her new surroundings.
Ella se adaptó rápidamente a su nuevo entorno.
C1 noun /ˈstəʊ.ɪ.sɪ.zəm/

stoicism

estoicismo
Meaning
The endurance of pain or hardship without the display of feelings and without complaint.
Example
His stoicism during hardship was admirable.
Su estoicismo durante la adversidad fue admirable.
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.
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.
C1 noun, verb /slɜːr/

slur

insulto / palabra despectiva
Meaning
An insulting remark or suggestion; or to speak indistinctly.
Example
He made a slur against her character.
Hizo un comentario despectivo sobre su carácter.
A2 noun /smɔːl boʊl/

Small bowl

tazón pequeño
Meaning
a round, shallow container of small size used for serving food or liquids
Example
She served the soup in a small bowl.
Ella sirvió la sopa en un tazón pequeño.
B2 noun səbˈstænʃəl ˈɪmpækt

substantial impact

impacto sustancial
Meaning
A significant, considerable, and meaningful effect or influence.
Example
Substantial impact is possible even with a few hours of volunteering.
El impacto sustancial es posible incluso con unas pocas horas de voluntariado.
B2 verb /ˈstɑːrtl/

startle

sobresaltar
Meaning
To surprise or frighten someone suddenly.
Example
The loud noise startled the children.
El ruido fuerte sobresaltó a los niños.
C2 noun /ˌsɪŋ.krəˈnɪs.ɪ.ti/

synchronicity

sincronía
Meaning
The meaningful coincidence of two or more events that are not planned.
Example
The synchronicity of their thoughts amazed everyone.
La sincronía de sus pensamientos asombró a todos.
C1 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.
C1 adjective /sɪmˈfɒnɪk/

symphonic

sinfónico
Meaning
relating to or having the character of a symphony or symphony orchestra
Example
The concert featured a symphonic masterpiece.
El concierto presentó una obra maestra sinfónica.
B2 adjective /self səˈfɪʃənt/

Self-sufficient

autosuficiente
Meaning
able to provide for oneself without depending on others
Example
The farm is completely self-sufficient in producing vegetables.
La granja es completamente autosuficiente en la producción de verduras.
C2 noun /ˌsæv.wɑːr ˈfeər/

savoir-faire

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

seep

filtrarse lentamente
Meaning
to flow or leak slowly through small openings or pores
Example
Water began to seep through the cracks in the wall.
El agua comenzó a filtrarse a través de las grietas en la pared.
A1 verb /smaɪl/

smile

sonrisa
Meaning
to express happiness or friendliness by turning the corners of the mouth upwards
Example
She smiled when she saw the gift.
Ella sonrió cuando vio el regalo.
C2 adjective /səˈræfɪk/

seraphic

angelical
Meaning
Of or like a seraph; angelic, pure, and blissful.
Example
She gave him a seraphic smile that calmed his fears.
Le dio una sonrisa angelical que calmó sus miedos.
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.
B2 verb /skwiːz/

squeeze

apretar
Meaning
to press something firmly, especially from all sides in order to extract or compress it
Example
She squeezed the toothpaste to get the last bit.
Ella apretó el tubo de pasta de dientes para sacar el último poco.
C2 noun /skɪf/

skiff

bote pequeño
Meaning
a small, light boat usually for one person
Example
The fisherman paddled his skiff across the lake.
El pescador remó su bote pequeño a través del lago.
B2 noun /ˈʃəʊ.keɪs/

showcase

vitrina, exhibir algo de manera atractiva o favorable
Meaning
A display case or exhibition; to present something in an attractive or favorable way.
Example
The exhibition showcased the artist's best works.
La exposición mostró las mejores obras del artista.
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.
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.
C2 adjective /ˈsiːmi/

seamy

degradado, sórdido
Meaning
Morally degraded, unpleasant, or sordid.
Example
The novel reveals the seamy side of city life.
La novela revela el lado sórdido de la vida en la ciudad.
B1 noun/verb /skeɪl/

scale

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

solemn

solemne
Meaning
Formal and dignified; characterized by deep sincerity.
Example
The day begins with a solemn ceremony at the memorial.
El día comienza con una solemne ceremonia en el memorial.
C1 adjective /ˈsɛn.sər.i/

sensory

sensorial
Meaning
Related to the five human senses (sight, hearing, taste, touch, smell).
Example
Sensory feedback enhances the VR experience.
La retroalimentación sensorial mejora la experiencia de VR.
B2 noun /ˈsʌ.plɪ.mənt/

Supplement

suplemento
Meaning
something that completes or adds to something else; a dietary product
Example
She takes vitamin supplements to maintain her health.
Ella toma suplementos vitamínicos para mantener su salud.
A2 adjective /ˈsuːpər/

super

súper
Meaning
excellent; very good
Example
She did a super job on the project.
Hizo un trabajo súper en el proyecto.
B1 verb /stɛə/

stare

mirar fijamente
Meaning
to look at something with a fixed gaze
Example
She stared at the painting for hours.
Ella miró fijamente la pintura durante horas.
A1 verb /stænd/

stand

ponerse de pie
Meaning
to be in an upright position; to tolerate or endure
Example
Please stand up when the teacher enters.
Por favor, póngase de pie cuando entre el maestro.
B2 noun /ˈsɪmptəm/

symptom

síntoma
Meaning
a sign or indication of something, especially of an illness
Example
Fever is a common symptom of the flu.
La fiebre es un síntoma común de la gripe.
B2 verb /suːð/

soothe

calmar
Meaning
to calm or comfort; to relieve pain or distress
Example
The mother soothed her crying baby with a gentle lullaby.
La madre calmó a su bebé llorando con una suave canción de cuna.
B2 noun steɪks

stakes

apuesta
Meaning
A strong wooden or metal post with a point at one end, driven into the ground.
Example
The stakes were high for the success of the project.
Las apuestas eran altas para el éxito del proyecto.
B2 noun/verb /ˈsɜːveɪ/

survey

encuesta, sondeo
Meaning
noun: an examination or inspection; verb: to examine or measure (an area or subject)
Example
They conducted a survey to understand customer preferences.
Realizaron una encuesta para entender las preferencias de los clientes.
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 /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.
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.
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.
A2 adjective /sər'praɪz.ɪŋ/

Surprising

sorprendente; asombroso
Meaning
causing surprise; unexpected; remarkable
Example
It's surprising how quickly children learn new languages.
Es sorprendente lo rápido que los niños aprenden nuevos idiomas.
C1 adjective /swɑːv/

suave

atractivo y refinado
Meaning
charming, confident, and elegant, often in a smooth or polished way
Example
He was a suave gentleman who impressed everyone at the party.
Era un caballero refinado que impresionó a todos en la fiesta.
C1 noun /stɑːr ˈæn.ɪs/

Star Anise

anís estrellado
Meaning
star-shaped spice pod with a licorice-like flavor used in cooking
Example
She added star anise to the soup for aromatic flavor.
Ella agregó anís estrellado a la sopa para darle un sabor aromático.
C1 verb ˈsɪn.θə.saɪ.zɪŋ

synthesizing

sintetizar, combinar, presentar de forma coherente
Meaning
Combine (a number of things) into a coherent whole.
Example
He excels in synthesizing ideas from different sources.
Él sobresale en sintetizar ideas de diferentes fuentes.
B2 noun /ˈskændəl/

scandal

escándalo
Meaning
an event or action that causes public outrage or damage to one's reputation
Example
The politician's affair became a public scandal.
El asunto del político se convirtió en un escándalo público.
B2 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.
B2 noun /ˈspɛk.tə.kəl/

spectacle

espectáculo
Meaning
An impressive display or performance for viewers.
Example
The fireworks created a breathtaking spectacle in the night sky.
Los fuegos artificiales crearon un espectáculo impresionante en el cielo nocturno.
C1 noun /ˈskælpəl/

scalpel

bisturí
Meaning
A small and extremely sharp bladed instrument used for surgery and dissection.
Example
The surgeon carefully used a scalpel to make the first incision.
El cirujano usó cuidadosamente un bisturí para hacer la primera incisión.
B1 noun, verb /spoʊk/

spoke

radios / habló
Meaning
As a noun, a bar connecting the center of a wheel to its rim; as the past tense of 'speak'.
Example
The bicycle's spoke was bent after the accident.
El radio de la bicicleta estaba doblado después del accidente.
C1 adjective /stiːpt/

steeped

empapado
Meaning
Completely surrounded by or filled with a particular quality, influence, or experience.
Example
The town is steeped in history and tradition.
La ciudad está empapada en historia y tradición.
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.
C1 adjective /ˈsɛnʃuəl/

sensual

sensual
Meaning
Relating to or involving gratification of the senses and physical pleasure.
Example
The painting had a sensual quality that captivated viewers.
La pintura tenía una cualidad sensual que cautivó a los espectadores.
C1 noun ˈsɛlf pəˈzɪʃən

self-possession

autocontrol
Meaning
The quality of being calm and confident and in control of one's emotions; composure.
Example
His self-possession during the crisis was remarkable.
Su autocontrol durante la crisis fue notable.
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.
B1 noun /ˈsɛkʃən/

section

sección
Meaning
a distinct part or subdivision of something larger
Example
This section of the report needs further review.
Esta sección del informe necesita una revisión adicional.
B2 adjective səˈsteɪ.nə.bəl

sustainable

sostenible
Meaning
Able to be maintained at a certain rate or level; conserving an ecological balance.
Example
Sustainable practices mitigate environmental impact.
Las prácticas sostenibles mitigan el impacto ambiental.
C1 noun /spæt/

spat

disputa pequeña
Meaning
a short, petty quarrel or argument
Example
They had a brief spat about who should do the dishes.
Tuvieron una breve disputa sobre quién debería lavar los platos.
C2 noun /ˈsɛrəf/

seraph

serafín
Meaning
An angelic being associated with light and purity, often depicted as a high-ranking angel in Christian theology.
Example
The stained-glass window depicted a seraph with outstretched wings.
La ventana de vitrales representaba un serafín con alas extendidas.
B2 verb /spɪl/

spill

derramar
Meaning
to cause liquid to flow or fall out of a container by accident
Example
Be careful not to spill your coffee.
Ten cuidado de no derramar tu café.
B2 noun ˈsəʊ.lər ˈen.ə.dʒi

solar energy

energía solar
Meaning
Energy from the sun that is converted into thermal or electrical energy.
Example
Solar energy is vital for reducing carbon emissions.
La energía solar es vital para reducir las emisiones de carbono.
C1 adjective /ˌsɛlf ˈraɪtʃəs/

self-righteous

autojustificado
Meaning
Having or showing an attitude of moral superiority; believing one’s own beliefs are the only right ones.
Example
His self-righteous comments made everyone uncomfortable.
Sus comentarios autojustificados hicieron que todos se sintieran incómodos.
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 noun /ˈsɛnətər/

senator

senador
Meaning
a member of a senate, especially in a legislative body
Example
The senator spoke passionately about environmental policies.
El senador habló con pasión sobre las políticas ambientales.
B2 adjective /ˈslɪp.ər.i/

Slippery

resbaladizo
Meaning
smooth and difficult to hold; causing sliding or slipping
Example
The wet floor was very slippery after cleaning.
El suelo mojado estaba muy resbaladizo después de limpiarlo.
A2 noun /ˈsɪk.nəs/

Sickness

enfermedad; dolencia
Meaning
the state of being ill; a disease or illness
Example
She took time off work due to sickness.
Ella tomó tiempo libre del trabajo debido a la enfermedad.
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 verb /ˈstriːm.laɪn/

streamline

simplificar o aumentar la eficiencia
Meaning
To make a process simpler and more efficient.
Example
The company aims to streamline production to reduce costs.
La compañía tiene como objetivo optimizar la producción para reducir los costos.
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 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.
B2 noun /ˈsikwəns/

Sequence

secuencia
Meaning
a particular order in which related events, movements, or things follow each other; a set of related events, movements, or things that follow each other in a particular order
Example
The dance sequence was perfectly choreographed.
La secuencia de baile fue perfectamente coreografiada.
B2 noun /ˈsɛm.iˌsɜːr.kəl/

semicircle

semicírculo
Meaning
Half of a circle or something shaped like half of a circle.
Example
The students sat in a semicircle around the teacher.
Los estudiantes se sentaron en un semicírculo alrededor del maestro.
C2 noun /sʌnd raɪs/

Sunned rice

arroz secado al sol
Meaning
Rice that has been dried in the sun; parched rice
Example
The farmers spread the sunned rice on mats to dry completely.
Los agricultores extendieron el arroz secado al sol sobre alfombras para que se secara completamente.
A1 adjective /ˈspɛʃəl/

special

especial
Meaning
different from what is usual; better or greater than normal
Example
This gift is very special to me.
Este regalo es muy especial para mí.
C2 noun /ˈsiːkənt/

secant

secante
Meaning
A straight line that intersects a curve at two or more points.
Example
In geometry, a secant cuts the circle at two distinct points.
En geometría, un secante corta el círculo en dos puntos distintos.