sleep deprivation
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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.
B2 adverb /ˈsʌbsɪkwəntli/

subsequently

posteriormente
Meaning
at a later time; afterward
Example
He failed his exam and subsequently had to retake it.
Él reprobó su examen y posteriormente tuvo que repetirlo.
C2 adjective /ˈsʌb.æs.ɪd/

subacid

ligeramente ácido
Meaning
Slightly sour or acidic in taste or nature.
Example
The fruit had a subacid flavor that was refreshing on a hot day.
La fruta tenía un sabor ligeramente ácido que era refrescante en un día caluroso.
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.
C2 noun /ˌskʌlˈdʌɡəri/

skullduggery

engaño
Meaning
dishonest behavior or activities, often done secretly
Example
The election was full of political skullduggery.
La elección estuvo llena de engaños políticos.
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.
C2 adjective /sɪˈnæp.tɪk/

synaptic

sináptico
Meaning
Related to the signal transmission process between nerve cells.
Example
Learning strengthens synaptic connections in the brain.
El aprendizaje fortalece las conexiones sinápticas en el cerebro.
A2 adverb /ˈsɪə.ri.əs.li/

seriously

seriamente
Meaning
in a solemn or thoughtful manner
Example
She took the matter very seriously.
Ella tomó el asunto muy seriamente.
B1 verb /stretʃ/

stretch

estirar
Meaning
to extend or expand; to make or become longer or wider
Example
Athletes stretch their muscles before exercising.
Los atletas estiran sus músculos antes de ejercitarse.
B2 adjective /suːˈpɜːrb/

superb

excelente
Meaning
extremely good; excellent
Example
The hotel provided superb service during our stay.
El hotel proporcionó un servicio excelente durante nuestra estancia.
B2 noun /səˈplaɪə(r)/

supplier

proveedor
Meaning
a person or company that provides goods or services
Example
The supplier delivered the products on time.
El proveedor entregó los productos a tiempo.
A2 noun /sɜːr/

sir

señor
Meaning
a respectful or formal form of address used for a man, typically one of higher social status or authority
Example
Sir, may I assist you with your order?
Señor, ¿puedo asistirle con su pedido?
B1 noun səˈplaɪ

supply

suministro. provisión.
Meaning
A stock or amount of something supplied or available for use.
Example
Supply chains ensure resource availability.
Las cadenas de suministro aseguran la disponibilidad de recursos.
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 noun ˈsəʊ.ʃəl ˈdʒʌs.tɪs

social justice

justicia social
Meaning
Justice in terms of the distribution of wealth, opportunities, and privileges within a society.
Example
Social justice ensures equality of opportunity.
La justicia social asegura la igualdad de oportunidades.
C2 noun /ˈsɛm.ɪ.nɛr.i/

seminary

seminario
Meaning
A school or college for training priests, ministers, or rabbis.
Example
He decided to enroll in a seminary to study theology.
Decidió inscribirse en un seminario para estudiar teología.
C2 adjective /ˌsuːprəˈmʌndeɪn/

supramundane

supramundano
Meaning
beyond the physical or ordinary world; transcendent
Example
The monk spoke of supramundane peace beyond material life.
El monje habló de la paz supramundana más allá de la vida material.
C1 noun /ˈstændˌstɪl/

standstill

paro
Meaning
a situation in which all movement or activity stops
Example
The traffic came to a standstill after the accident.
El tráfico llegó a un paro después del accidente.
B1 verb /ˈsʌfər/

suffer

sufrir
Meaning
to experience pain, distress, or hardship
Example
She suffered from a severe headache all day.
Ella sufrió de un fuerte dolor de cabeza todo el día.
A2 noun ˈsɜːrvɪs

service

servicio
Meaning
An act of helping or doing work for someone.
Example
True education promotes the value of service to others.
La verdadera educación promueve el valor del servicio a los demás.
C1 noun /ˈskruːpəl/

scruple

escrúpulo
Meaning
A moral or ethical consideration that restrains actions.
Example
He had no scruples about lying to get ahead.
Él no tenía escrúpulos para mentir y avanzar.
B1 adjective ˈsteɪbl

stable

estable
Meaning
Not likely to change or fail; firmly established.
Example
Strong nuclear force keeps the nucleus stable.
La fuerte fuerza nuclear mantiene el núcleo estable.
C2 adjective /ˌsɒpəˈrɪfɪk/

soporific

felicidad
Meaning
tending to induce drowsiness or sleep; causing sleepiness
Example
The professor's lecture was so soporific that half the class fell asleep.
Ella no podía esconder su felicidad cuando recibió el premio.
C1 noun /ˈʃeɪvɪŋ/

shaving

afeitado
Meaning
the act of removing hair with a razor; a thin strip or piece shaved from something
Example
He bought a new cream for shaving.
Compró una nueva crema para afeitarse.
C1 noun স্ক্রোলিং অ্যাডিকশন

scrolling addiction

adicción al desplazamiento
Meaning
A compulsive need to continuously scroll through content on digital devices, particularly smartphones and social media platforms.
Example
Scrolling addiction is a growing concern among smartphone users.
La adicción al desplazamiento es una preocupación creciente entre los usuarios de teléfonos inteligentes.
B2 adjective /ˈsiː.z ə n.əl/

Seasonal

estacional
Meaning
relating to or occurring in a particular season; changing according to the seasons
Example
Many businesses hire seasonal workers during the holidays.
Muchas empresas contratan trabajadores estacionales durante las vacaciones.
C1 verb /səbˈdjuː/

subdue

someter
Meaning
To bring under control, especially by force; to overcome or quiet.
Example
The army was able to subdue the rebellion quickly.
El ejército pudo someter la rebelión rápidamente.
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 /sneɪk ɡɔːrd/

Snake gourd

calabaza serpiente
Meaning
a long, curved vegetable that resembles a snake, commonly used in South Asian cuisine
Example
The snake gourd grows in a twisted, serpentine shape in the garden.
La calabaza serpiente crece en una forma retorcida y serpenteante en el jardín.
B2 noun ˌsɛlf ˈdɪs.ə.plɪn

self-discipline

autodisciplina
Meaning
The ability to control one's emotions and behavior.
Example
Self-discipline is crucial for achieving long-term success.
La autodisciplina es crucial para alcanzar el éxito a largo plazo.
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.
B2 verb /sweɪ/

sway

mecer
Meaning
To move or cause to move slowly or rhythmically back and forth; to influence someone's opinion or decision.
Example
The trees swayed gently in the breeze.
Los árboles se mecían suavemente en la brisa.
C1 verb /səbˈstænʃieɪt/

substantiate

substanciar
Meaning
To provide evidence to support or prove the truth of something.
Example
The lawyer worked to substantiate the claims with solid evidence.
El abogado trabajó para substanciar las reclamaciones con pruebas sólidas.
A1 noun /ˈsʌmər/

summer

verano
Meaning
the warmest season of the year, between spring and autumn
Example
We love going to the beach during summer.
Nos encanta ir a la playa durante el verano.
B2 adjective /ˈsɪtʃueɪtɪd/

situated

situado
Meaning
located in a particular place or position
Example
The hotel is situated near the beach.
El hotel está situado cerca de la playa.
C2 noun /ˈsteɪsɪs/ or /ˈstæsɪs/

stasis

estasis
Meaning
A state of inactivity or equilibrium; a situation where nothing changes.
Example
The negotiations reached a state of stasis with no progress made.
Las negociaciones llegaron a un estado de estasis sin avances.
C1 noun /ˈsiːskeɪp/

seascape

paisaje marino
Meaning
A view or painting of the sea.
Example
The artist painted a beautiful seascape at sunset.
El artista pintó un hermoso paisaje marino al atardecer.
C1 verb /ˈslækən/

slacken

aflojar
Meaning
to make or become less tight, less active, or slower
Example
The driver slackened his speed as he approached the village.
El conductor redujo su velocidad al acercarse al pueblo.
A1 modal verb /ʃʊd/

should

debería
Meaning
used to indicate obligation or duty
Example
You should study for your exams.
Deberías estudiar para tus exámenes.
A2 verb /səˈpɔːrt/

support

apoyar
Meaning
to help or assist someone; to hold up or bear the weight of something
Example
The family will support their son through his studies.
La familia apoyará a su hijo en sus estudios.
A2 adjective /ˈspænɪʃ/

spanish

español
Meaning
relating to Spain or the Spanish language
Example
She is fluent in Spanish and French.
Ella es fluida en español y francés.
C2 adjective /ˈsætərˌnaɪn/

saturnine

saturnino
Meaning
slow and gloomy in mood
Example
His saturnine expression made everyone in the room uncomfortable.
Su expresión saturnina hizo que todos en la habitación se sintieran incómodos.
B1 verb /skrætʃ/

scratch

felicidad
Meaning
to rub a surface or skin with something sharp or rough, often to relieve itching
Example
The cat scratched the door to be let in.
No pudo ocultar su felicidad cuando recibió el premio.
C1 verb /ˈsɛvər/

sever

cortar, romper relaciones
Meaning
to cut off or separate, especially by cutting; to end a connection or relationship
Example
He had to sever ties with the company after the dispute.
Tuvo que cortar los lazos con la empresa después de la disputa.
B2 adjective /ˈskætərd/

Scattered

disperso; esparcido;
Meaning
spread widely apart; dispersed; occurring here and there
Example
Scattered showers are expected throughout the day.
Se esperan lluvias dispersas durante todo el día.
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 verb /ˈstɪp.jʊ.leɪt/

stipulate

establecer
Meaning
to demand or specify a condition in an agreement or contract
Example
The contract stipulates that payment must be made within 30 days.
El contrato estipula que el pago debe realizarse dentro de 30 días.
B2 verb /sɔːr/

soar

elevarse / aumentar rápidamente
Meaning
to fly or rise high in the air; to increase rapidly or dramatically
Example
The eagle soared high above the mountains.
El águila voló alto sobre las montañas.
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.
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 steɪt

state

estado
Meaning
A nation or territory considered as an organized political community under one government.
Example
The state declared a new language policy.
El estado declaró una nueva política lingüística.
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.
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 /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.
C1 noun ˈsʌb.tɛkst

subtext

subtexto
Meaning
Hidden meaning or message behind spoken or written words
Example
The subtext of his speech suggested disagreement.
El subtexto de su discurso sugirió desacuerdo.
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 verb /skwiːl/

squeal

chillar
Meaning
to make a high-pitched cry; to inform on someone
Example
The children squealed with delight when they saw the surprise.
Los niños chillaron de alegría cuando vieron la sorpresa.
C1 noun /ˌsɪmbɪˈəʊsɪs/

symbiosis

relación simbiótica
Meaning
A mutually beneficial relationship between different people or groups.
Example
The symbiosis between the two companies led to mutual growth.
La simbiosis entre las dos empresas llevó a un crecimiento mutuo.
A2 noun /ʃer/

Share

parte
Meaning
a portion of something; a part or portion of a larger amount
Example
Each partner received an equal share of the company profits.
Cada socio recibió una parte igual de las ganancias de la empresa.
A1 verb /sɪŋ/

sing

cantar
Meaning
to make musical sounds with the voice
Example
She sings beautifully in the choir.
ella canta bellamente en el coro
C1 noun /ˈskeɪp.ɡəʊt/

Scapegoat

chivo expiatorio
Meaning
a person who is blamed for the wrongdoings, mistakes, or faults of others
Example
He became the scapegoat for the team's poor performance.
Se convirtió en el chivo expiatorio del pobre rendimiento del equipo.
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.
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.
C1 adjective /ˌsɛrənˈdɪpɪtəs/

serendipitous

afortunado inesperado
Meaning
Occurring or discovered by chance in a happy or beneficial way.
Example
Their meeting at the café was purely serendipitous.
Su encuentro en el café fue completamente afortunado.
C1 noun/verb /smʌdʒ/

smudge

mancha, marca sucia
Meaning
a dirty mark or smear; to make something dirty or unclear by rubbing or touching
Example
She accidentally smudged her lipstick on the napkin.
Ella accidentalmente manchó su lápiz labial en la servilleta.
C2 adjective /ˌsɛm.iˈsɪv.ə.laɪzd/

semicivilized

semi-civilizado
Meaning
Partially civilized; having some aspects of civilization but not fully developed.
Example
The tribe was described as semicivilized by early explorers.
La tribu fue descrita como semi-civilizada por los primeros exploradores.
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.
A2 noun /ˈsɪriz/

Series

serie
Meaning
a number of events, objects, or people of a similar or related kind coming one after another; a set of related television or radio programmes
Example
The detective series ran for five successful seasons.
La serie de detectives tuvo cinco temporadas exitosas.
B1 verb /ˈstɒpɪŋ/

stopping

detener
Meaning
Coming to a halt or pause.
Example
The ship is stopping at the Falkland Islands.
El barco está deteniéndose en las Islas Malvinas.
B1 verb /skriːm/

scream

gritar
Meaning
to make a loud, high-pitched sound, usually because of fear, pain, or excitement
Example
She screamed when she saw the spider.
Ella gritó cuando vio la araña.
C1 verb /ˈstriːmlaɪnɪŋ/

streamlining

simplificación
Meaning
The process of making an organization or system more efficient by simplifying or eliminating unnecessary steps
Example
Streamlining processes can significantly reduce operational costs.
La simplificación de procesos puede reducir significativamente los costos operacionales.
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 noun, verb /skruː/

screw

un pasador metálico con una hélice; fijar o apretar algo con un tornillo
Meaning
a metal fastener with a helical ridge; to fasten or tighten something with a screw
Example
He screwed the shelf to the wall tightly.
Él atornilló la estantería a la pared firmemente.
C2 noun /slaɪt/

sleight

habilidad
Meaning
Skill or dexterity, especially in performing tricks.
Example
The magician amazed the crowd with his sleight of hand.
El mago sorprendió a la multitud con su habilidad con las manos.
C1 noun /sɪlk klɔːθ/

Silk cloth

tela de seda
Meaning
fabric made from natural fibers produced by silkworms
Example
The bride wore a beautiful dress made of silk cloth.
La novia llevaba un hermoso vestido hecho de tela de seda.
C2 adjective /ˈsæpɪd/

sapid

sabroso
Meaning
Having a pleasant taste; flavorful.
Example
The chef prepared a sapid dish that delighted everyone at the table.
El chef preparó un plato sabroso que encantó a todos en la mesa.
C1 noun ˈsɒl.vən.si

solvency

la posesión de activos en exceso de pasivos; capacidad para pagar deudas
Meaning
The possession of assets in excess of liabilities; ability to pay debts.
Example
The company's solvency improved after restructuring.
La solvencia de la empresa mejoró después de la reestructuración.
B2 noun/verb /swɔːrm/

swarm

enjambre
Meaning
A large group of insects or people moving together.
Example
A swarm of bees surrounded the tree.
Un enjambre de abejas rodeó el árbol.
A2 adjective /ˈstuː.pɪd/

Stupid

tonto; estúpido; necio
Meaning
lacking intelligence or common sense; foolish
Example
It was stupid of me to forget my umbrella on a rainy day.
Fue tonto de mi parte olvidar mi sombrilla en un día lluvioso.
C2 noun /ˈsaɪz.mə.ɡræf/

seismograph

sismógrafo
Meaning
An instrument that measures and records details of earthquakes, such as force and duration.
Example
The seismograph detected a strong tremor in the area.
El sismógrafo detectó un fuerte temblor en la zona.
B2 verb /ˈsprɪŋkəl/

sprinkle

esparcir
Meaning
to scatter small drops or particles of a substance over a surface
Example
She sprinkled sugar on top of the cake.
Ella esparció azúcar encima del pastel.
B2 noun /ˌspeʃiˈælɪti/

Speciality

especialidad
Meaning
a particular area of activity or interest that someone focuses on; expertise in a specific field
Example
His speciality is Italian cuisine.
Su especialidad es la cocina italiana.
C2 noun /ˌsɒ̃ˈfrwɑː/

sang-froid

sang-froid
Meaning
Composure or coolness, especially in difficult situations.
Example
The leader handled the crisis with remarkable sang-froid.
El líder manejó la crisis con un notable sang-froid.
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 /ˈʃɜːrbət/

sherbet

sorbete
Meaning
a sweet flavored drink or a frozen dessert made from sweetened fruit juice
Example
On hot days, she enjoys a glass of lemon sherbet.
En los días calurosos, disfruta de un vaso de sorbete de limón.
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 adjective /stiːp/

steep

empinado, excesivo
Meaning
Having a sharp inclination or high slope; also can mean excessive (as in price).
Example
The hikers climbed a steep mountain trail.
Los excursionistas subieron un sendero empinado en la montaña.
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.
C1 verb /sʌlk/

sulk

estar enojado
Meaning
to be silent and bad-tempered because you are angry or disappointed
Example
She sulked in her room after the argument.
Ella se enojó en su habitación después de la discusión.
B2 noun /ˈspɒnsər/

sponsor

patrocinador
Meaning
a person or organization that provides funds for a project or activity in exchange for publicity or support
Example
The company became the main sponsor of the event.
La empresa se convirtió en el principal patrocinador del evento.
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.
B2 noun /soʊl/

Sole

suela del pie; suela de zapato
Meaning
the bottom part of the foot; the bottom part of a shoe
Example
I have a blister on the sole of my foot.
Tengo una ampolla en la planta de mi pie.
C2 adjective /səˈleɪʃəs/

salacious

lascivo
Meaning
Having or conveying undue or inappropriate sexual interest.
Example
The tabloid published a salacious story about the celebrity.
El tabloide publicó una historia lasciva sobre la celebridad.
C2 noun /sɪˈmɪlɪtjuːd/

Similitude

similitud; semejanza
Meaning
the quality or state of being similar; resemblance
Example
The similitude between the two paintings suggested they were by the same artist.
La similitud entre las dos pinturas sugirió que fueron hechas por el mismo artista.
C1 /splɪnt/

splint

férula
Meaning
A rigid device used to support and immobilize a broken or injured body part.
Example
The doctor applied a splint to stabilize the patient's broken arm.
El doctor aplicó una férula para estabilizar el brazo roto del paciente.
B2 noun /slʌm/

Slum

barrio pobre
Meaning
a poor urban area with substandard housing and squalid conditions
Example
The government is working to improve conditions in the slum.
El gobierno está trabajando para mejorar las condiciones en el barrio pobre.
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.
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 noun, verb /sɪn/

sin

pecado
Meaning
an immoral act considered to be a transgression against divine law; to commit an offense against religious or moral law
Example
He confessed his sin to the priest.
Él confesó su pecado al sacerdote.
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.
B1 verb /splɪt/

split

dividir
Meaning
to divide or separate into parts or groups
Example
He split the log in two with an axe.
Él dividió el tronco en dos con un hacha.
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.
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.
B2 noun /ˌsɛpəˈreɪʃən/

Separation

separación; división; alejamiento
Meaning
the action or state of moving or being moved apart; the division of something into constituent or distinct elements
Example
The separation of the two countries was peaceful.
La separación de los dos países fue pacífica.
C1 noun /ˈsʌn.stroʊk/

Sunstroke

golpe de calor
Meaning
a serious condition caused by overheating from prolonged exposure to high temperatures
Example
The worker suffered from sunstroke after working outside all day.
El trabajador sufrió un golpe de calor después de trabajar afuera todo el día.
C1 adjective /skəˈlæstɪk/

scholastic

escolar
Meaning
Relating to schools, education, or academic learning.
Example
The school organizes scholastic competitions every year.
La escuela organiza competencias escolares cada año.
B1 noun /sɛks/

sex

sexo
Meaning
the biological distinction between male and female; sexual activity
Example
He was asked about his sex at the doctor's office.
Se le preguntó sobre su sexo en el consultorio del médico.
C1 noun /ˈsteɪ.ʃən.ər/

Stationer

papelería
Meaning
a person who sells paper, pens, pencils, and other office supplies
Example
The stationer recommended the best pens for writing exams.
El estacionista recomendó los mejores bolígrafos para los exámenes.
B2 verb /skæn/

scan

felicidad
Meaning
To look at something carefully or quickly; to digitally copy or capture an image or document.
Example
She scanned the document before sending it by email.
Ella no pudo ocultar su felicidad cuando recibió el premio.
B1 noun /ʃel/

Shell

cáscara
Meaning
hard outer covering of an animal; explosive projectile for a gun
Example
The artillery fired a shell at the enemy position.
La artillería disparó una cáscara a la posición enemiga.
A2 noun /ʃɛlf/

shelf

estante
Meaning
a flat surface used for storing or displaying things, typically fixed to a wall or inside a cabinet
Example
I placed the books on the shelf next to the window.
Puse los libros en el estante junto a la ventana.
A1 verb /set/

set

colocar
Meaning
to put or place something in a position; to establish
Example
She set the book on the table.
Ella puso el libro sobre la mesa.
C1 verb /slɪŋk/

slink

deslizarse en silencio
Meaning
to move quietly and secretly, often to avoid being noticed
Example
The cat slunk into the room without making a sound.
El gato entró en la habitación sin hacer ruido.
B2 noun /ˈskriːnɪŋ/

screening

examen o proyección
Meaning
the act of examining or testing people to detect disease or evaluate suitability; a showing of a movie or program
Example
The hospital offered free health screening for all employees.
El hospital ofreció exámenes de salud gratuitos para todos los empleados.
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.
B1 verb /ˈsɪzər/

scissor

cortar con tijeras
Meaning
to cut with or as if with scissors
Example
The tailor scissored the fabric neatly.
El sastre cortó la tela de manera ordenada.
C2 verb /ˈsʌbdʒʊˌɡeɪt/

subjugate

subyugar
Meaning
To bring under domination or control, especially by conquest.
Example
The empire sought to subjugate the neighboring kingdoms.
El imperio trató de subyugar a los reinos vecinos.
C2 noun /səˈlɪsɪˌtuːd/

solicitude

preocupación, cuidado
Meaning
Care or concern for someone or something.
Example
His mother showed great solicitude for his safety.
Su madre mostró gran preocupación por su seguridad.
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.
A2 noun /skɪlz/

skills

habilidades
Meaning
The ability to do something well; expertise.
Example
Learning new skills can increase personal and professional growth.
Aprender nuevas habilidades puede aumentar el crecimiento personal y profesional.
C2 noun /ˌsuː.pɚˈfluː.ə.t̬i/

superfluity

superfluidad
Meaning
An excessive amount of something; more than what is needed.
Example
The room was filled with a superfluity of decorations.
La habitación estaba llena de una superfluidad de decoraciones.