sanitization
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C1 noun ˌsæn.ɪ.taɪˈzeɪ.ʃən

sanitization

sanitización
Meaning
The process of cleaning and disinfecting to eliminate germs and bacteria.
Example
Regular sanitization keeps appliances germ-free.
La sanitización regular mantiene los aparatos libres de gérmenes.
B1 adjective /strɪkt/

Strict

estricto; que exige el cumplimiento exacto de las reglas
Meaning
demanding exact conformity to rules; severe; rigorous
Example
The teacher is very strict about homework deadlines.
El maestro es muy estricto con las fechas límite de las tareas.
B2 adverb /ˈsel.fɪʃ.li/

Selfishly

egoístamente
Meaning
in a selfish manner; caring only about oneself
Example
He selfishly took all the cookies.
Él tomó todas las galletas egoístamente.
A2 adverb /ˈʃʊə.li/

Surely

seguramente
Meaning
without doubt; certainly
Example
You will surely pass the exam if you study hard.
Seguramente aprobarás el examen si estudias mucho.
B2 adjective /ˈspaɪ.rəl/

Spiral

espiral
Meaning
winding in a continuous curve; helical
Example
The spiral staircase led to the top floor.
La escalera espiral condujo al piso superior.
C1 noun /swiːt.laɪm/

Sweetlime

limón dulce
Meaning
a citrus fruit that is sweeter and less acidic than regular lime
Example
The sweetlime juice was refreshing on a hot day.
El jugo de limón dulce era refrescante en un día caluroso.
A2 noun /siːd/

seed

semilla
Meaning
the small, hard part of a plant from which a new plant can grow
Example
I planted a seed in the garden.
Plante una semilla en el jardín.
B2 verb /ˈʃʌfəl/

shuffle

caminar arrastrando los pies / mezclar
Meaning
to walk by dragging one's feet along or without lifting them fully; to mix or rearrange
Example
He shuffled the cards before dealing them.
Él barajó las cartas antes de repartirlas.
B2 noun /swɪŋ/

Swing

columpio
Meaning
move or cause to move back and forth or from side to side while suspended or on an axis
Example
The children love to swing in the park.
A los niños les encanta balancearse en el parque.
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.
B2 noun sliːp ˌdɛprɪˈveɪʃən

sleep deprivation

falta de sueño
Meaning
The condition of not having enough sleep; lack of adequate sleep.
Example
Sleep deprivation can severely impact mental health.
La falta de sueño puede afectar gravemente la salud mental.
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.
A2 noun /spɔːt/

sport

deporte
Meaning
an activity involving physical exertion and skill in which an individual or team competes against another or others for entertainment
Example
Football is a popular sport around the world.
El fútbol es un deporte popular en todo el mundo.
C1 verb /sluː/

slew

girar bruscamente
Meaning
To turn or slide violently in a particular direction.
Example
The car slewed across the icy road.
El coche se deslizó por la carretera helada.
C1 noun /ˈstrɑːtəm/

stratum

estrato
Meaning
a layer or level of material, or a social class in society
Example
The upper stratum of society enjoyed privileges not available to others.
La capa superior de la sociedad disfrutaba de privilegios que no estaban disponibles para los demás.
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.
B2 verb ˈsiːlɪŋ

sealing

sellar, cerrar
Meaning
The action of closing or blocking something to prevent entry or escape.
Example
Sealing cracks in the walls can prevent pests from entering.
Sellar las grietas en las paredes puede evitar que las plagas entren.
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.
C1 verb/noun /ˈswæɡ.ər/

swagger

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

swelter

sufrir por calor intenso
Meaning
to suffer from intense heat
Example
We began to swelter in the midday sun.
Empezamos a sudar bajo el sol del mediodía.
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.
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.
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.
C1 /skwɒt/

squat

agacharse
Meaning
to crouch or sit with knees bent and body close to the ground
Example
He squatted down to tie his shoes.
Se agachó para atarse los zapatos.
B2 noun ˈsoʊʃəl rɪˌspɒnsəˈbɪləti

social responsibility

responsabilidad social
Meaning
The duty to act in ways that benefit society as a whole.
Example
Social responsibility should be part of the education curriculum.
La responsabilidad social debe ser parte del currículo educativo.
C2 adjective /sɪmˈfoʊniəs/

symphonious

armonioso
Meaning
Harmonious; producing a pleasant sound or agreement of sound.
Example
The choir's voices were symphonious and filled the hall with beauty.
Las voces del coro eran armoniosas y llenaron la sala de belleza.
C2 noun /ʃiːf/

sheaf

manojo de trigo
Meaning
a bundle of grain stalks laid lengthwise and tied together after reaping; a bundle of objects tied together
Example
The farmer carried a sheaf of wheat on his shoulder.
El agricultor llevaba un manojo de trigo sobre su hombro.
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.
B2 phrase ˈsɛvən ˈhæbɪts

seven habits

siete hábitos
Meaning
Regular behaviors or actions that are done consistently over time, specifically referring to a set of seven key practices.
Example
Even habits help in maintaining a balanced lifestyle.
Incluso los hábitos ayudan a mantener un estilo de vida equilibrado.
B2 verb /ˈspɛsɪfaɪ/

specify

especificar
Meaning
to state or describe something clearly and exactly
Example
Please specify the time and place of the meeting.
Por favor, especifique la hora y el lugar de la reunión.
B1 adjective /səˈfɪʃənt/

Sufficient

suficiente; adecuado para el propósito; satisfactorio
Meaning
enough; adequate for the purpose; satisfactory
Example
We have sufficient time to complete the project.
Tenemos suficiente tiempo para completar el proyecto.
C2 noun /ˈsʌplɪkənt/

supplicant

suplicante
Meaning
A person who humbly or earnestly asks for something, usually from a person of authority.
Example
The temple was filled with supplicants seeking blessings.
El templo estaba lleno de suplicantes buscando bendiciones.
A2 verb /stɔːr/

store

almacenar
Meaning
to keep things in a place for future use; to save information
Example
She stores her winter clothes in the attic.
Ella guarda su ropa de invierno en el ático.
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.
A2 adjective /ˈsaɪ.lənt/

Silent

silencioso; callado; tranquilo
Meaning
making no sound; quiet; not speaking
Example
The library was completely silent during study hours.
La biblioteca estaba completamente silenciosa durante las horas de estudio.
A2 noun /skɪn/

Skin

piel
Meaning
the outer covering of the body; the natural outer covering of a fruit or vegetable
Example
Her skin was soft and smooth.
Su piel era suave y lisa.
C1 adjective /sɔɪld/

soiled

sucio
Meaning
dirty or stained; not clean
Example
His clothes were soiled after playing in the mud.
Su ropa estaba sucia después de jugar en el barro.
B2 adjective /slɪk/

slick

resbaladizo
Meaning
Smooth, clever, or efficient, often in a way that seems superficial.
Example
He gave a slick presentation to impress the investors.
Hizo una presentación resbaladiza para impresionar a los inversores.
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.
A2 noun səˈsaɪəti

society

sociedad
Meaning
The aggregate of people living together in a more or less ordered community.
Example
Society plays a pivotal role in shaping an individual's values.
La sociedad juega un papel crucial en la formación de los valores de un individuo.
B2 noun /səkˈsɛʃ.ən/

succession

sucesión ecológica
Meaning
The process of ecological change in which one community of organisms is gradually replaced by another.
Example
Forest succession occurs when old ecosystems are replaced by new ones.
La sucesión forestal ocurre cuando los ecosistemas antiguos son reemplazados por otros nuevos.
C2 adjective /ˈʃɪft.ləs/

shiftless

perezoso
Meaning
Lacking ambition or the ability to accomplish anything; lazy and unmotivated.
Example
He was seen as a shiftless young man with no goals.
Se le vio como un joven perezoso sin metas.
C2 noun /ˈsɛnʃəns/

sentience

sentiencia
Meaning
The capacity to feel, perceive, or experience subjectively.
Example
Many argue that animals possess sentience.
Muchos argumentan que los animales poseen sentiencia.
B1 noun ˈstrʌk.tʃər

structure

estructura
Meaning
The arrangement of and relations between the parts or elements of something complex.
Example
The structure is designed for safety and functionality.
La estructura está diseñada para la seguridad y funcionalidad.
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.
A2 adjective /sər'praɪzd/

Surprised

sorprendido
Meaning
feeling or showing surprise; astonished
Example
I was surprised to see my old friend at the market.
Me sorprendió ver a mi viejo amigo en el mercado.
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.
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.
C2 adjective /saɪˈdɪəriəl/

sidereal

sideral
Meaning
Relating to the stars or constellations; measured relative to the stars.
Example
Astronomers use sidereal time to track the positions of stars.
Los astrónomos usan el tiempo sideral para rastrear las posiciones de las estrellas.
A2 verb /skiː/

ski

esquiar
Meaning
to glide over snow on skis
Example
We went skiing in the Alps last winter.
Fuimos a esquiar en los Alpes el invierno pasado.
C1 verb /ˌsuːpərˈsiːd/

supersede

reemplazar
Meaning
To replace or take the place of something because it is more modern or effective.
Example
This new law will supersede the old regulations.
Esta nueva ley reemplazará las viejas regulaciones.
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 verb /sɪp/

sip

sorber
Meaning
to drink in small quantities; to taste carefully
Example
She sipped her tea slowly while reading the newspaper.
Ella bebió su té lentamente mientras leía el periódico.
A2 adjective /ˈsɪli/

Silly

tonto; estúpido
Meaning
foolish; lacking good sense or judgement
Example
Don't be silly, of course you can do it!
¡No seas tonto, por supuesto que puedes hacerlo!
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.
C1 verb /ˈskruː.tɪ.naɪz/

scrutinize

examinar o inspeccionar de cerca y a fondo
Meaning
Examine or inspect closely and thoroughly.
Example
The scientist scrutinized the data before publishing his findings.
El científico examinó los datos antes de publicar sus hallazgos.
B2 adjective /saʊər/

Sour

ácido
Meaning
having an acid taste like lemon or vinegar; unpleasant or disagreeable
Example
The milk has gone sour and smells terrible.
La leche se ha agrido y huele terrible.
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.
B1 adjective /ˈskɪlfʊl/

Skilful

habilidoso; experto; diestro
Meaning
having or showing skill; expert and accomplished
Example
The skilful surgeon performed the operation with great precision.
El cirujano habilidoso realizó la operación con gran precisión.
C1 noun /səˈrɛn.ɪ.ti/

serenity

serenidad
Meaning
The state of being calm, peaceful, and untroubled.
Example
Meditation helps in achieving inner serenity.
La meditación ayuda a alcanzar la serenidad interior.
A2 adverb /ˈsʌd.ən.li/

Suddenly

de repente
Meaning
quickly and without warning; unexpectedly
Example
The car suddenly stopped in the middle of the road.
El coche se detuvo de repente en medio de la carretera.
B2 verb /ˈʃɔːrtn/

shorten

acortar
Meaning
To make something shorter in length, duration, or extent
Example
She decided to shorten her speech to fit the time limit.
Decidió acortar su discurso para ajustarse al límite de tiempo.
B2 verb /skrʌb/

scrub

frotar
Meaning
To rub hard so as to clean, typically with a brush and water.
Example
Excessive scrubbing of the eyes is harmful.
Frotarse excesivamente los ojos es perjudicial.
C1 verb /ˈsaɪdˌstɛp/

sidestep

eludir
Meaning
To avoid something by stepping aside; to evade a problem or question indirectly.
Example
The politician tried to sidestep the difficult question.
El político intentó eludir la difícil pregunta.
B2 verb /ˈsteɪ.bə.laɪz/

stabilize

estabilizar
Meaning
to make something steady, secure, or unlikely to change suddenly
Example
The government took measures to stabilize the economy.
El gobierno tomó medidas para estabilizar la economía.
B2 adjective /suːˈpɪə.ri.ər/

Superior

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

scraps

restos
Meaning
Small pieces left over from something; also small fights or quarrels.
Example
The dog ate the scraps from the table.
El perro comió los restos de la mesa.
A1 adjective /ʃɔːrt/

Short

corto; breve
Meaning
having a small length, height, or duration; not long
Example
The meeting was very short, lasting only ten minutes.
La reunión fue muy corta, duró solo diez minutos.
B2 adjective /sə'spɪʃ.əs/

Suspicious

sospechoso; dudoso
Meaning
having or showing distrust; doubtful; questionable
Example
The police found his behavior very suspicious.
La policía encontró su comportamiento muy sospechoso.
C1 adjective /ˈskræpi/

scrappy

peleador / desordenado
Meaning
Determined and willing to fight or argue; also messy or disorganized.
Example
Despite being small, he was a scrappy fighter.
A pesar de ser pequeño, era un peleador audaz.
C1 adjective /ˈskrʌmpʃəs/

scrumptious

exquisito
Meaning
extremely tasty or delicious
Example
She baked a scrumptious chocolate cake for the party.
Ella horneó un exquisito pastel de chocolate para la fiesta.
C2 noun /ˈsætræp/

satrap

satrapa
Meaning
a governor of a province in ancient Persia; also used figuratively for a subordinate ruler
Example
The king appointed a satrap to oversee the distant province.
El rey nombró a un satrapa para supervisar la provincia distante.
C1 adjective /sɑːrˈdɒnɪk/

sardonic

felicidad
Meaning
Grimly mocking or cynical.
Example
She gave him a sardonic smile after hearing his excuse.
Ella no pudo ocultar su felicidad cuando recibió el premio.
B1 verb /sɪˈlekt/

select

seleccionar
Meaning
to choose from a number of alternatives; to pick out
Example
Please select your favorite color.
Por favor, selecciona tu color favorito.
B1 verb /sɪŋk/

sink

hundir
Meaning
to go down below the surface; to descend
Example
The ship sinks in the deep ocean.
El barco se hunde en el océano profundo.
B2 noun /spaɪn/

Spine

columna vertebral; soporte central de una estructura
Meaning
the backbone or vertebral column of a vertebrate; the central support of a structure
Example
She injured her spine in the accident.
Ella se lesionó la columna vertebral en el accidente.
B2 noun /ˌsuː.pərˈstɪʃ.ən/

Superstition

superstición
Meaning
a belief or practice considered irrational or supernatural
Example
Breaking a mirror brings seven years of bad luck is a common superstition.
Romper un espejo trae siete años de mala suerte, es una superstición común.
B2 noun /ˈsɪnˌdroʊm/

syndrome

síndrome
Meaning
a group of symptoms that occur together and characterize a condition or disease
Example
Down syndrome affects a person's physical and mental development.
El síndrome de Down afecta el desarrollo físico y mental de una persona.
B1 noun /soʊl/

Soul

alma
Meaning
the spiritual or immaterial essence of a human being or animal; a person's emotional or intellectual nature
Example
She poured her heart and soul into her artwork.
Ella vertió su corazón y alma en su obra de arte.
C1 noun /ˈsɛntɪnəl/

sentinel

centinela
Meaning
A soldier or guard whose job is to stand and keep watch.
Example
A sentinel stood at the entrance of the camp.
Un centinela estaba de pie en la entrada del campamento.
B1 adjective /skɪld/

Skilled

habilidoso
Meaning
having or showing the knowledge, ability, or training to perform certain activities or work well
Example
He is a skilled carpenter who can build beautiful furniture.
Él es un carpintero habilidoso que puede construir hermosos muebles.
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.
B2 verb /suː/

sue

demandar
Meaning
to bring a lawsuit against someone in a court of law
Example
She decided to sue the company for damages.
Ella decidió demandar a la empresa por daños.
B2 verb /səˈspɛnd/

suspend

suspender
Meaning
To temporarily stop something from being active or valid.
Example
The company decided to suspend his membership.
La compañía decidió suspender su membresía.
A2 adjective /ˈsɪmələr/

Similar

similar; con características comunes
Meaning
alike; having characteristics in common
Example
The two sisters have similar interests in music.
Las dos hermanas tienen intereses similares en música.
B2 verb /səˈrɛndər/

surrender

rendirse
Meaning
to give up or yield to an opponent or authority
Example
The army finally surrendered after weeks of fighting.
El ejército finalmente se rindió después de semanas de lucha.
B1 noun ˈsɪs.təmz

systems

sistemas
Meaning
A set of connected things or parts forming a complex whole.
Example
Effective systems improve productivity.
Los sistemas efectivos mejoran la productividad.
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.
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.
C2 noun /ˈsʌbtrəˌhɛnd/

subtrahend

minuendo
Meaning
a number that is to be subtracted from another number
Example
In the equation 10 - 4, the number 4 is the subtrahend.
En la ecuación 10 - 4, el número 4 es el minuendo.
B1 adverb /ˈsekəndli/

secondly

segundo
Meaning
Used to introduce the second point in a list of arguments or ideas.
Example
Firstly, we need funding; secondly, we need a strong team.
Primero, necesitamos financiación; segundo, necesitamos un equipo fuerte.
C2 adjective /səˈdʒɛstəbəl/

suggestible

sugestionable
Meaning
easily influenced by the suggestions of others
Example
Children are highly suggestible and may believe what they are told.
Los niños son altamente sugestionables y pueden creer lo que se les dice.
C1 noun səˈsteɪ.nə.bəl tekˈnɒl.ə.dʒi

sustainable technology

tecnología sostenible
Meaning
Technology designed to meet present needs without compromising future generations' ability to meet their needs.
Example
Sustainable technology ensures a cleaner future.
La tecnología sostenible garantiza un futuro más limpio.
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.
C1 noun /ˈsɒnɪt/

sonnet

soneto
Meaning
A poem of 14 lines using formal rhyme schemes, often about love.
Example
Shakespeare wrote many famous sonnets about love and beauty.
Shakespeare escribió muchos sonetos famosos sobre el amor y la belleza.
C1 noun /ˈstæl.i.ən/

stallion

caballo macho para cría
Meaning
An adult male horse that is not castrated, often used for breeding.
Example
The farm owns a powerful stallion for breeding purposes.
La granja posee un caballo macho poderoso para fines de cría.
B1 noun /ˈsɛkrəteri/

secretary

secretario
Meaning
a person employed to handle correspondence and manage routine tasks for an individual or organization
Example
The secretary scheduled the meeting for tomorrow.
El secretario programó la reunión para mañana.
C1 noun /ˈspɛktər/

specter

espectro
Meaning
A ghost or spirit; something that causes fear or dread.
Example
The specter of war still haunts the region.
El espectro de la guerra todavía acecha la región.
B1 noun /ˈʃel.tər/

Shelter

refugio
Meaning
a place giving temporary protection from bad weather or danger
Example
The hikers found shelter in a cave during the heavy rain.
Los excursionistas encontraron refugio en una cueva durante la fuerte lluvia.
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 sɔɪl ɪˈrəʊʒən

soil erosion

erosión del suelo
Meaning
The wearing away of topsoil by water, wind, or other natural forces.
Example
Soil erosion can lead to the loss of fertile land.
La erosión del suelo puede llevar a la pérdida de tierras fértiles.
C1 adjective /ˈsted.fæst/

Steadfast

firme; resuelto; inquebrantable
Meaning
firm in belief, determination, or adherence; unwavering
Example
She remained steadfast in her commitment to helping the poor.
Ella permaneció firme en su compromiso de ayudar a los pobres.
B2 noun /soʊp keɪs/

Soap case

caja de jabón
Meaning
a container used to store soap
Example
She bought a beautiful soap case for the bathroom.
Ella compró una hermosa caja de jabón para el baño.
A1 adverb /soʊ/

so

tan
Meaning
to such a degree or extent
Example
She was so happy with the gift.
Ella estaba tan feliz con el regalo.
C1 adjective /səbˈsɪd.i.ər.i/

Subsidiary

subsidiario; secundario; relacionado con una empresa subsidiaria
Meaning
less important than the main thing; secondary; of or relating to a subsidiary company
Example
The subsidiary company handles all overseas operations.
La empresa subsidiaria maneja todas las operaciones en el extranjero.
B2 verb /sɑːb/

sob

sollozar ruidosamente
Meaning
to cry noisily while taking short breaths
Example
She began to sob uncontrollably after hearing the news.
Ella comenzó a sollozar incontrolablemente después de escuchar la noticia.
C2 noun /sɪˈnɛrəsɪs/

syneresis

sineresis
Meaning
The contraction of two adjacent vowels into a single syllable or the separation of liquid from a gel.
Example
The yogurt showed syneresis when liquid separated on top.
El yogur mostró sinéresis cuando el líquido se separó en la parte superior.
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.
B2 noun /ˈsmɑːrt.nəs/

Smartness

inteligencia; astucia; apariencia ordenada y moderna
Meaning
intelligence; cleverness; neat and fashionable appearance
Example
Her smartness in solving problems impressed everyone.
Su inteligencia al resolver problemas impresionó a todos.
C1 noun /ˈsteɪtəs kwoʊ/

status quo

status quo
Meaning
The existing state of affairs, especially regarding social or political issues.
Example
The government decided to maintain the status quo until further review.
El gobierno decidió mantener el status quo hasta una revisión posterior.
B2 noun /ˈsɪləbəs/

syllabus

plan de estudios
Meaning
An outline or summary of topics to be covered in a course of study.
Example
The professor handed out the syllabus on the first day of class.
El profesor entregó el plan de estudios el primer día de clase.
C1 adjective /ˈsæk.rəˌsæŋkt/

sacrosanct

sacrosonante
Meaning
Regarded as too important or valuable to be interfered with; sacred.
Example
Freedom of speech is considered sacrosanct in democratic societies.
La libertad de expresión se considera sacrosanta en las sociedades democráticas.
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.
B1 noun /seɪk/

Sake

razón; motivo;
Meaning
purpose or reason for doing something; benefit or interest
Example
She worked overtime for the sake of her family's future.
Ella trabajó horas extras por el bien del futuro de su familia.
B2 verb /ˈsʌməraɪz/

summarize

resumir
Meaning
To give a brief statement of the main points of something
Example
She summarized the report in just a few minutes.
Ella resumió el informe en solo unos minutos.
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.
B2 noun /steɪn/

Stain

mancha; huella
Meaning
a colored patch or dirty mark that is difficult to remove; a blemish or damage to reputation
Example
There was a coffee stain on his white shirt.
Había una mancha de café en su camisa blanca.
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.
B1 noun /ˈʃæd.oʊ/

Shadow

sombra
Meaning
a dark area where light is blocked by something; a person's silhouette
Example
The tree cast a long shadow across the garden in the evening.
El árbol proyectó una larga sombra sobre el jardín por la tarde.
C1 noun ˌskeɪ.ləˈbɪl.ə.ti

scalability

escalabilidad
Meaning
The capacity to be changed in size or scale; the ability of a system to handle a growing amount of work.
Example
The new software offers high scalability for large enterprises.
El nuevo software ofrece alta escalabilidad para grandes empresas.