Scholar
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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.
B2 verb /stɪə(r)/

steer

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

stint

trabajo temporal
Meaning
a period of time spent doing a particular job or activity
Example
She did a short stint as a teacher before moving abroad.
Ella hizo un corto trabajo como profesora antes de mudarse al extranjero.
B1 adjective /ˈsɒlɪd/

solid

sólido
Meaning
firm and stable in shape; not liquid or fluid
Example
The ground was solid underfoot.
El suelo estaba sólido bajo los pies.
B2 noun /ˈsɜr.neɪm/

Surname

apellido
Meaning
a hereditary name common to all members of a family; family name
Example
Please write your first name and surname on the form.
Por favor, escriba su primer nombre y apellido en el formulario.
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.
A2 verb /ˈstɑːtɪŋ/

starting

comenzar
Meaning
beginning to do or experience something
Example
She is starting a new job next week.
Ella está comenzando un nuevo trabajo la próxima semana.
C1 noun/verb /skɜːrdʒ/

scourge

maldición / flagelo
Meaning
A source of great pain or punishment; to whip or inflict suffering on someone.
Example
Disease and poverty remain a scourge in many regions.
La enfermedad y la pobreza siguen siendo una maldición en muchas regiones.
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.
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.
A1 verb /sɪt/

sit

sentarse
Meaning
to rest in a seated position; to be located
Example
Please sit down and make yourself comfortable.
Por favor, siéntate y hazte cómodo.
C2 adjective /ˈsfɪŋks laɪk/

sphinx-like

misterioso
Meaning
Mysterious, enigmatic, or difficult to interpret
Example
Her sphinx-like smile made it hard to guess what she was thinking.
Su sonrisa de esfinge hacía que fuera difícil adivinar lo que estaba pensando.
B2 adjective /ˈskeptɪkəl/

Sceptical

escéptico; desconfiado; que cuestiona la verdad de algo
Meaning
having doubts; not easily convinced; questioning the truth of something
Example
Many scientists remain sceptical about the new theory.
Muchos científicos siguen siendo escépticos sobre la nueva teoría.
C1 noun /slæb/

slab

losa
Meaning
a large, thick, flat piece of stone, concrete, or other hard material
Example
The workers laid a concrete slab for the foundation.
Los trabajadores colocaron una losa de concreto para la fundación.
C2 adverb /ˌsʌb ˈroʊzə/

sub rosa

en secreto
Meaning
secretly, in confidence, or in private
Example
The deal was made sub rosa to avoid public scrutiny.
El trato se hizo sub rosa para evitar el escrutinio público.
B1 noun ˈsɛʃənz

sessions

sesiones, reuniones, período
Meaning
A meeting of an official body, especially a court of law, to conduct its business; a period devoted to a particular activity.
Example
The sessions lasted for three hours.
Las sesiones duraron tres horas.
C1 noun /ˈspiːʃiː/

specie

moneda
Meaning
money in the form of coins rather than notes or credit
Example
The transaction was made in specie.
La transacción se hizo en monedas.
C2 noun /səbˈdʌk.ʃən/

subduction

El movimiento lateral y hacia abajo de una capa de la corteza terrestre hacia el manto debajo de otra capa.
Meaning
The lateral and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
Example
The Pacific Ring of Fire is an area of intense subduction.
El anillo de fuego del Pacífico es un área de intensa subducción.
C1 verb /smɜrk/

smirk

sonreír con suficiencia
Meaning
to smile in a self-satisfied, smug, or silly way
Example
He smirked when he won the argument.
Él sonrió cuando ganó la discusión.
B2 noun /ˈsteɪdiəm/

stadium

estadio
Meaning
a large structure with seating for sports, concerts, or other events
Example
Thousands of fans filled the stadium to watch the final match.
Miles de aficionados llenaron el estadio para ver el partido final.
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.
B2 verb /ʃrʌɡ/

shrug

encogerse de hombros
Meaning
To raise and lower the shoulders to express uncertainty or indifference.
Example
He shrugged when asked about the missing file.
Él se encogió de hombros cuando le preguntaron sobre el archivo perdido.
B2 verb /spɛər/

spare

dar algo extra / ahorrar
Meaning
To give something that one has extra of; to refrain from harming or killing.
Example
Could you spare me a few minutes of your time?
¿Podrías darme unos minutos de tu tiempo?
B1 verb /spɛl/

spell

deletrear
Meaning
to write or name the letters of a word in order; to mean or result in something
Example
Can you spell your name for me?
¿Puedes deletrear tu nombre para mí?
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.
B2 verb, noun /stæb/

stab

apuñalar
Meaning
to pierce or wound with a pointed weapon or object
Example
He was stabbed in the back during the altercation.
Fue apuñalado en la espalda durante la pelea.
B2 adjective /stɑːrk/

stark

severo, agudo
Meaning
Severe, sharp, or clearly defined; plain and without any decoration.
Example
The stark contrast between poverty and wealth was evident in the city.
La fuerte diferencia entre la pobreza y la riqueza era evidente en la ciudad.
C1 noun /ˈʃrɪŋkɪdʒ/

shrinkage

encogimiento
Meaning
The process of becoming smaller in size, amount, or value.
Example
The company reported a shrinkage in profits this quarter.
La empresa reportó un encogimiento en las ganancias de este trimestre.
A1 noun /ˈsʌn.deɪ/

sunday

domingo
Meaning
The day of the week between Saturday and Monday; often considered a day of rest or worship.
Example
We usually relax at home on Sunday.
Normalmente descansamos en casa el domingo.
C2 noun /ˈʃæd.ək/

Shaddock

pomelo
Meaning
a large citrus fruit similar to grapefruit; pomelo
Example
The shaddock is the largest citrus fruit in the world.
El shádok es la fruta cítrica más grande del mundo.
B2 adjective ˈstrʌktʃərəl

structural

estructural
Meaning
Relating to or forming part of a structure.
Example
The structural integrity of the bridge was tested after the storm.
La integridad estructural del puente fue probada después de la tormenta.
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.
C1 noun /ʃæk/

Shack

choza
Meaning
a small, crudely built dwelling; a poorly constructed building
Example
The fisherman lived in a small shack near the beach.
El pescador vivía en una pequeña choza cerca de la playa.
C1 verb /siːð/

seethe

hirviendo de rabia
Meaning
To be filled with intense but unexpressed anger or agitation.
Example
She was seething with anger after the unfair decision.
Ella estaba hirviendo de rabia después de la decisión injusta.
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.
A2 noun /ʃiːt/

sheet

sábana
Meaning
a large piece of cloth or paper, typically used to cover or protect something
Example
I need a clean sheet to cover the bed.
Necesito una sábana limpia para cubrir la cama.
C1 adjective /stɔːntʃ/

staunch

firme, leal
Meaning
Loyal, committed, and firm in support.
Example
She is a staunch supporter of environmental protection.
Ella es una firme defensora de la protección del medio ambiente.
C1 verb /sɪˈkriːt/

secrete

secreción
Meaning
to produce and release a substance from a cell, gland, or organ
Example
The pancreas secretes insulin to regulate blood sugar levels.
El páncreas secreta insulina para regular los niveles de azúcar en la sangre.
A1 noun /ˈsændwɪtʃ/

sandwich

sándwich
Meaning
two pieces of bread with food such as meat, cheese, or salad between them
Example
I made a chicken sandwich for lunch.
Hice un sándwich de pollo para el almuerzo.
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 adjective /səˈnɔːrəs/

sonorous

sonido profundo
Meaning
Deep, full, and rich in sound.
Example
The actor's sonorous voice filled the entire theater.
La voz sonorosa del actor llenó todo el teatro.
C2 verb, adjective /ˈstraɪeɪt/

striate

estriar
Meaning
to mark with stripes or grooves; striped or streaked in appearance
Example
The rock surface was striated by glacial movement.
La superficie de la roca fue estriada por el movimiento glaciar.
C1 noun /ˌsʌpəˈzɪʃən/

supposition

suposición
Meaning
An assumption or belief that something is true without certain proof.
Example
His plan was based on the supposition that the market would recover quickly.
Su plan estaba basado en la suposición de que el mercado se recuperaría rápidamente.
C2 adjective /ˈʃɑːpwɔːrn/

shopworn

gastado / viejo
Meaning
worn or faded from being displayed in a shop; no longer fresh or original
Example
The shopworn shoes were sold at a discount.
Los zapatos shopworn se vendieron con descuento.
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.
C2 adjective /ˌsɛm.iˈkɒn.ʃəs/

semiconscious

semi-consciente
Meaning
Only partly conscious; not fully aware of surroundings.
Example
He was semiconscious after the accident and could barely respond.
Él estaba semi-consciente después del accidente y apenas podía responder.
A1 verb /spend/

spend

gastar
Meaning
to use money to buy something; to pass time
Example
I spend too much money on books.
Gasto demasiado dinero en libros.
A2 noun /skwɛə(r)/

square

cuadrado
Meaning
a shape with four equal straight sides and four right angles
Example
The table has a square shape.
La mesa tiene una forma cuadrada.
B2 noun, verb /slænt/

slant

punto de vista sesgado
Meaning
A particular point of view; to slope or lean in a particular direction.
Example
The article had a political slant.
El artículo tenía una inclinación política.
B2 adjective /ˈslɒp.i/

Sloppy

desordenado; sucio; hecho sin cuidado o atención a los detalles
Meaning
careless; messy; done without care or attention to detail
Example
His sloppy handwriting was difficult to read.
Su escritura desordenada era difícil de leer.
C1 adjective /sər'pæs.ɪŋ/

Surpassing

sobresaliente; superior; extraordinario
Meaning
exceeding; going beyond; outstanding
Example
Her surpassing beauty made everyone stop and stare.
Su belleza sobresaliente hizo que todos se detuvieran y la miraran.
A1 noun /striːt/

street

calle
Meaning
a public road in a city or town, typically with buildings on one or both sides
Example
He walked down the street to the park.
Caminó por la calle hasta el parque.
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.
B2 noun /ˈspəʊkspɜːrsən/

spokesperson

portavoz
Meaning
a person who speaks on behalf of others or an organization
Example
The spokesperson addressed the press conference on behalf of the company.
El portavoz dirigió la conferencia de prensa en nombre de la empresa.
B2 noun /ˈsɛktər/

sector

sector
Meaning
a distinct part or area of an economy, society, or industry
Example
The technology sector is growing rapidly.
El sector tecnológico está creciendo rápidamente.
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 adjective /ˈsmɑːrmi/

smarmy

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

slap

abofetear
Meaning
to hit someone quickly with the flat part of the hand; to strike sharply
Example
She was so angry that she slapped him across the face.
Ella estaba tan enojada que lo abofeteó en la cara.
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 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 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.
B2 verb /soʊ/

sow

sembrar
Meaning
to plant seeds in the ground; to scatter seeds for growing
Example
The farmer will sow wheat seeds in the field tomorrow.
El agricultor sembrará semillas de trigo en el campo mañana.
A1 noun/adjective /saʊθ/

south

sur
Meaning
the direction towards the bottom of a map, opposite to north
Example
The sun rises in the east and sets in the south.
El sol sale por el este y se pone por el sur.
C2 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 /sleɪ/

sleigh

trineo
Meaning
A vehicle pulled by horses or reindeer over snow or ice.
Example
Children were excited to ride in the sleigh through the snowy village.
Los niños estaban emocionados de montar en el trineo por el pueblo nevado.
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.
C1 noun /ʃoʊl/

shoal

cardumen
Meaning
a large group of fish swimming together; a shallow place in water
Example
We saw a shoal of fish near the coast.
Vimos un cardumen de peces cerca de la costa.
C1 verb /skɔːrtʃ/

scorch

quemar
Meaning
to burn the surface of something slightly
Example
The fire scorched the walls of the building.
El fuego quemó las paredes del edificio.
B1 verb /ʃuːt/

shoot

disparar / tomar una foto
Meaning
to fire a bullet or arrow from a weapon; to take a photograph or film
Example
He learned how to shoot a bow and arrow.
Él aprendió a disparar un arco y flecha.
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.
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 /ˈsæb.ə.tɑːʒ/

Sabotage

sabotaje
Meaning
deliberate destruction of equipment or disruption of activities
Example
The factory was shut down due to an act of sabotage.
La fábrica se cerró debido a un acto de sabotaje.
C1 noun /səˈsteɪnəbl ˈæɡrɪkʌltʃər/

sustainable agriculture

agricultura sostenible
Meaning
Farming practices that meet current food needs while preserving environmental resources and maintaining the ability to produce food for future generations through ecologically sound methods.
Example
Sustainable agriculture practices protect the environment while ensuring food security.
Las prácticas de agricultura sostenible protegen el medio ambiente mientras garantizan la seguridad alimentaria.
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.
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.
B2 noun /ˈʃɔːr.tɪdʒ/

Shortage

escasez
Meaning
a lack or deficiency of something that is needed or expected
Example
There is a severe water shortage in the region.
Hay una grave escasez de agua en la region.
B2 verb /ˈskrɪbəl/

scribble

garabatear
Meaning
to write or draw carelessly or quickly
Example
The child scribbled all over the wall.
El niño garabateó por toda la pared.
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.
A1 adjective /ˈsɪmpəl/

Simple

fácil; simple; sin complicaciones
Meaning
easy to understand or do; not complicated
Example
This is a simple recipe that anyone can follow.
Esta es una receta fácil que cualquiera puede seguir.
B1 noun /ˈsʌb.stəns/

Substance

sustancia
Meaning
a particular kind of matter with uniform properties; the essential nature of something; material or content
Example
The scientist analyzed the unknown substance in the laboratory.
El científico analizó la sustancia desconocida en el laboratorio.
B2 noun /ˈʃʌtəl/

shuttle

vehículo que viaja regularmente entre dos lugares
Meaning
a vehicle or craft that travels regularly between two places.
Example
The airport shuttle runs every 30 minutes.
El servicio de transporte del aeropuerto circula cada 30 minutos.
B2 adverb /ˈsɒftli/

softly

suavemente o tranquilamente
Meaning
in a gentle or quiet way.
Example
She spoke softly so as not to wake the baby.
Ella habló suavemente para no despertar al bebé.
B2 noun /ˈsəʊ.ʃəl.ɪ.zəm/

socialism

socialismo
Meaning
An economic system where the means of production are owned by the state or community.
Example
In socialism, resources are distributed equally among citizens.
En el socialismo, los recursos se distribuyen de manera equitativa entre los ciudadanos.
C1 noun /ˌsəʊ.ʃi.əʊˈek.ə.nɒm.ɪk ˈprɒɡ.res/

socioeconomic progress

progreso socioeconómico
Meaning
Advancement in both social and economic conditions of a society or community.
Example
Socioeconomic progress uplifts marginalized communities.
El progreso socioeconómico eleva a las comunidades marginadas.
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.
C2 verb /ˈstræɡəl/

straggle

moverse de manera desordenada
Meaning
To move or spread in an irregular, scattered, or untidy way.
Example
The children began to straggle behind on the long hike.
Los niños empezaron a quedarse atrás en la larga caminata.
B2 adjective ˈsiːm.ləs

seamless

sin interrupciones
Meaning
A process or service that works without any interruption.
Example
A seamless checkout process improves user satisfaction.
Un proceso de pago sin interrupciones mejora la satisfacción del usuario.
B2 noun /ˈsɜːvɪŋ/

serving

porción
Meaning
a portion of food for one person; the act of giving food or drink to someone
Example
He ate a large serving of rice and curry.
Comió una gran porción de arroz con curry.
C2 noun /səˈnɛs.əns/

senescence

envejecimiento
Meaning
The process of growing old or the condition of aging.
Example
The biologist studied senescence in plants to understand aging.
El biólogo estudió la senescencia en las plantas para entender el envejecimiento.
B2 verb /skoʊld/

scold

regañar
Meaning
to criticize angrily; to rebuke
Example
The teacher scolded the students for being late.
La maestra regañó a los estudiantes por llegar tarde.
C2 noun /ˈsɪnəd/

synod

sínodo
Meaning
An assembly of the clergy in a Christian church convened to decide on issues of doctrine or administration.
Example
The synod gathered to discuss reforms in the church.
El sínodo se reunió para discutir reformas en la iglesia.
B1 noun /stiːl/

steel

acero
Meaning
a strong, hard metal made of iron and carbon
Example
The building was made from steel to ensure its durability.
El edificio fue hecho de acero para garantizar su durabilidad.
C1 noun /ˈstɪmjʊlənt/

stimulant

estimulante
Meaning
A substance that raises levels of physiological or nervous activity in the body.
Example
Coffee is a common stimulant that helps people stay awake.
El café es un estimulante común que ayuda a las personas a mantenerse despiertas
A2 adverb /ˈsloʊli/

slowly

lentamente
Meaning
in a slow manner
Example
She walked slowly to the door.
Ella caminó lentamente hacia la puerta.
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.
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.
C2 noun /ˈsɪʒ.ən/

scission

cisión
Meaning
the act of cutting or dividing something
Example
The political party suffered a scission over ideological disputes.
El partido político sufrió una cisión debido a disputas ideológicas.
A1 noun /sɔːŋ/

song

canción
Meaning
a short piece of music with words that are sung
Example
She sang a beautiful song at the concert.
Ella cantó una hermosa canción en el concierto.
B2 noun ˈʃɔːtkʌmɪŋz

shortcomings

deficiencias
Meaning
A fault or failure to meet a certain standard; deficiencies.
Example
Institutional shortcomings affect student behavior negatively.
Las deficiencias institucionales afectan negativamente el comportamiento de los estudiantes.
A2 adjective /ʃaɪ/

Shy

tímido; vergonzoso
Meaning
nervous or timid in the company of other people
Example
The shy student rarely spoke up in class discussions.
El estudiante tímido rara vez participaba en las discusiones de clase.
C1 adjective /ˈskrɔːni/

scrawny

flaco
Meaning
very thin and bony, often looking unhealthy
Example
The scrawny boy could barely lift the heavy bag.
El chico flaco apenas podía levantar la bolsa pesada.
B1 noun /ˈsɪɡ.nəl/

Signal

señal
Meaning
a gesture, action, or sound that conveys information or instruction
Example
The traffic signal turned red, so we stopped.
La señal de tráfico se puso roja, así que nos detuvimos.
C1 noun /səˈlɪn.ə.t̬i/

salinity

salinidad, concentración de sal
Meaning
The salt content of soil or water, typically measured as a concentration.
Example
The salinity of the ocean varies depending on depth and location.
La salinidad del océano varía dependiendo de la profundidad y la ubicación.
C2 adjective /ˌsuːdəˈrɪfɪk/

sudorific

sudorífico
Meaning
causing or increasing sweating
Example
The doctor prescribed a sudorific drug to help reduce the fever.
El doctor recetó un medicamento sudorífico para reducir la fiebre.
C1 noun /speɪt/

spate

oleada
Meaning
a large number of things occurring in quick succession
Example
There has been a spate of robberies in the city.
Ha habido una oleada de robos en la ciudad.
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.
C2 noun /ˌsɪɡnɪfɪˈkeɪʃən/

signification

significado
Meaning
the meaning or sense conveyed by a word, action, or symbol
Example
The signification of the gesture was misunderstood.
El significado del gesto fue malinterpretado.
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.
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.
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.
A2 noun /sɛlf/

self

ser
Meaning
a person's essential being that distinguishes them from others, especially considered as the object of introspection or reflexive action
Example
She has a strong sense of self.
Ella tiene un fuerte sentido del ser.
C2 adjective /ˈsloʊθfəl/

slothful

perezoso
Meaning
Lazy, idle, and unwilling to work.
Example
She was too slothful to get out of bed early.
Ella era demasiado perezosa para levantarse de la cama temprano.
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 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 /sɒp/

sop

concesión
Meaning
a concession or appeasement to pacify someone; also a piece of bread dipped in liquid
Example
The manager offered a bonus as a sop to the unhappy employees.
El gerente ofreció un bono como un obsequio a los empleados descontentos.
C1 verb /ˈsɪmjʊˌleɪt/

simulate

simular
Meaning
to imitate the appearance, character, or behavior of something; to pretend or reproduce conditions artificially
Example
The pilot had to simulate an emergency landing during training.
El piloto tuvo que simular un aterrizaje de emergencia durante el entrenamiento.
C1 adjective /ˈsɪlkən/

Silken

de seda; suave; brillante;
Meaning
made of silk; smooth and soft like silk
Example
She wore a beautiful silken dress to the party.
Ella llevaba un hermoso vestido de seda a la fiesta.
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.
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.
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.