solitude
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B2 noun /ˈsɒlɪtjuːd/

solitude

soledad
Meaning
The state or situation of being alone.
Example
Solitude can provide the opportunity for deep reflection.
La soledad puede proporcionar la oportunidad para una reflexión profunda.
A1 adjective /smɔːl/

Small

pequeño; limitado; estrecho
Meaning
little in size; not large; limited in extent or amount
Example
She lives in a small apartment near the university.
Ella vive en un pequeño apartamento cerca de la universidad.
B2 verb /spɪt/

spit

escupir
Meaning
to force liquid, especially saliva, out of the mouth
Example
He spat on the ground in anger.
Él escupió en el suelo con ira.
C2 adjective /ˈsɒmnələnt/

somnolent

somnoliento
Meaning
Sleepy or drowsy; causing a desire to sleep.
Example
The somnolent lecture made half the class fall asleep.
La conferencia somnolienta hizo que la mitad de la clase se quedara dormida.
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 noun, adjective, verb /ʃæm/

sham

farsa
Meaning
something that is not what it appears to be; a false or fake thing; to pretend
Example
The deal turned out to be a sham.
El trato resultó ser una farsa.
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.
A2 noun /ˈstjuːdiəʊ/

studio

estudio
Meaning
a room where an artist, photographer, musician, or broadcaster works
Example
The singer recorded her new song in the studio.
La cantante grabó su nueva canción en el estudio.
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.
C1 adjective /sɪˈkluːdɪd/

secluded

aislado
Meaning
Placed apart from other people or things; private and quiet.
Example
They spent their vacation in a secluded beach house.
Pasaron sus vacaciones en una casa de playa aislada.
A2 adjective /ˈsʌðərn/

southern

del sur
Meaning
located in or facing the south; southern regions
Example
She moved to a southern city for work.
Se mudó a una ciudad del sur por trabajo.
C1 adjective /ˈsɪm.jʊ.leɪ.tɪd/

simulated

simulado
Meaning
Artificially created to look real but not actually real.
Example
The pilot trained in a simulated flight environment.
El piloto entrenó en un ambiente de vuelo simulado.
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.
A2 noun /ˈstreɪndʒər/

Stranger

extraño
Meaning
a person whom one does not know or with whom one is not familiar
Example
Never take candy from a stranger.
Nunca tomes dulces de un extraño.
C1 noun /ˈskep.tɪ.sɪ.zəm/

skepticism

escepticismo, duda
Meaning
A skeptical attitude; doubt as to the truth of something.
Example
His skepticism about new technology often makes him resistant to change.
Su escepticismo sobre la nueva tecnología a menudo lo hace resistente al cambio.
A2 noun /stɛp/

step

paso
Meaning
a movement made by lifting one foot and putting it down in a new position
Example
She took a step towards the door.
Ella dio un paso hacia la puerta.
C1 noun səˈlɪnɪti ɪnˈtruːʒən

salinity intrusion

intrusión de salinidad
Meaning
The movement of salt water into freshwater areas, typically affecting coastal regions.
Example
Salinity intrusion affects coastal regions.
La intrusión de salinidad afecta las regiones costeras.
B2 noun /ˈsuː.ɪ.saɪd/

Suicide

suicidio
Meaning
the act of intentionally killing oneself
Example
Mental health professionals work to prevent suicide.
Los profesionales de la salud mental trabajan para prevenir el suicidio.
B2 noun /ˈsɑːrˌkæzəm/

sarcasm

sarcasmo
Meaning
The use of irony to mock or convey contempt.
Example
His sarcasm often made people laugh but sometimes offended them.
Su sarcasmo a menudo hacía reír a la gente, pero a veces los ofendía.
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.
B2 verb /ˈsuːpərvaɪz/

supervise

supervisar
Meaning
to watch and direct a person or activity to ensure things are done correctly
Example
The teacher supervises students during the exam.
El maestro supervisa a los estudiantes durante el examen.
C1 verb /sɪˈkluːd/

seclude

aislar
Meaning
To keep someone away from other people; to isolate.
Example
The monk chose to seclude himself in the mountains.
El monje eligió aislarse en las montañas.
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 verb /splaɪs/

splice

unir
Meaning
to join two pieces of rope, film, or other material by weaving or attaching them together
Example
The technician spliced the two wires to restore the connection.
El técnico unió los dos cables para restaurar la conexión.
C1 verb /strʌt/

strut

caminar con arrogancia
Meaning
to walk with a stiff, proud, and confident gait, often to show off
Example
He strutted across the stage after winning the award.
Él caminó por el escenario después de ganar el premio.
C1 noun /ʃruː/

shrew

mujer irritable / animal parecido a un ratón
Meaning
a small mouse-like animal; also a woman with a bad temper
Example
The play describes a strong-willed woman as a shrew.
La obra describe a una mujer de voluntad fuerte como una mujer irritable.
C2 noun /ˈsælvoʊ/

salvo

salva
Meaning
A simultaneous discharge of guns or release of bombs; a sudden outburst of cheers or applause.
Example
The soldiers fired a salvo to honor the fallen general.
Los soldados dispararon una salva para honrar al general caído.
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 noun /sərˈvaɪvər/

Survivor

una persona que sobrevive, especialmente una persona que sigue viva después de un evento en el que otras personas han muerto
Meaning
a person who survives, especially a person remaining alive after an event in which others have died
Example
She is a cancer survivor who now helps other patients.
Ella es una sobreviviente de cáncer que ahora ayuda a otros pacientes.
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.
C2 verb /skwɛltʃ/

squelch

hacer un sonido suave, como caminar en el barro; suprimir o callar
Meaning
to make a soft sucking sound, such as when walking on mud; to suppress or silence
Example
His boots squelched in the wet ground.
Sus botas hicieron un ruido de squelch en el suelo mojado.
B2 adverb /səˈpəʊzɪdli/

supposedly

supuestamente
Meaning
used to show that something is believed or claimed to be true, though it may not be
Example
He is supposedly the best player on the team.
Supuestamente, él es el mejor jugador del equipo.
C2 noun /ˌʃæŋɡriˈlɑː/

shangri-la

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

Solitary

solitario; aislado; solo
Meaning
alone; without companions; single; isolated
Example
He lived a solitary life in the mountains.
Él vivió una vida solitaria en las montañas.
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 adjective /suːˈpɜːrlətɪv/

superlative

superlativo
Meaning
Of the highest quality or degree; expressing the extreme form of an adjective or adverb.
Example
Her performance was superlative, earning her a standing ovation.
Su desempeño fue superlativo, ganándose una ovación de pie.
C2 adjective /sɪˈnɜːrdʒɪk/

synergic

sinérgico
Meaning
Working together in a cooperative and effective manner.
Example
The two departments have a synergic relationship that boosts productivity.
Los dos departamentos tienen una relación sinérgica que aumenta la productividad.
B2 noun /spaɪt/

spite

despecho
Meaning
a desire to hurt, annoy, or offend someone
Example
She refused the gift out of spite.
Ella rechazó el regalo por despecho.
A2 noun /ˈstrɔːbəri/

Strawberry

fresa
Meaning
a small red heart-shaped fruit with tiny seeds on the surface and sweet taste
Example
I love eating fresh strawberries with cream during summer.
Me encanta comer fresas frescas con crema durante el verano.
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.
C2 verb /ˈsɛreɪt/

serrate

hacer un borde aserrado
Meaning
To make a saw-toothed edge or notched margin.
Example
The craftsman serrated the knife blade for better cutting.
El artesano serró la hoja del cuchillo para un mejor corte.
B1 verb /seɪl/

sail

navegar con velas
Meaning
to travel on water in a boat or ship using sails or by wind power
Example
They sailed across the Atlantic Ocean last summer.
Ellos navegaron a través del océano Atlántico el verano pasado.
C2 noun /ˈsɪbəraɪt/

sybarite

síbarita
Meaning
a person who loves luxury and pleasure
Example
The millionaire was a true sybarite who lived only for comfort and enjoyment.
El millonario era un verdadero síbarita que vivía solo para la comodidad y el disfrute.
B2 noun /ˈspɛktrəm/

spectrum

espectro
Meaning
A range of different things, often related to colors, ideas, or classifications.
Example
The festival attracted people from across the political spectrum.
El festival atrajo a personas de todo el espectro político.
B2 adjective /ˈskɛptɪkəl/

skeptical

escéptico
Meaning
not easily convinced; having doubts or reservations
Example
She was skeptical about the new plan.
Ella era escéptica sobre el nuevo plan.
B2 noun /ˈsliːpər/

sleeper

persona que duerme; algo que tiene éxito inesperado
Meaning
a person or thing that sleeps; something that unexpectedly succeeds
Example
The movie turned out to be a real sleeper hit.
La película resultó ser un éxito inesperado.
C1 verb /ˈʃʌdər/

shudder

temblar
Meaning
to tremble or shake suddenly, often due to fear, cold, or strong emotion
Example
She shuddered at the thought of walking alone in the dark forest.
Ella se estremeció al pensar en caminar sola en el oscuro bosque.
B1 adjective /ˈsuːtəbl/

suitable

adecuado
Meaning
appropriate or right for a particular person, purpose, or situation
Example
This dress is suitable for the wedding.
Este vestido es adecuado para la boda.
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.
B1 adjective /ˈsensəbəl/

Sensible

sensato; razonable; práctico
Meaning
having or showing good sense; practical and reasonable
Example
It would be sensible to take an umbrella because it might rain.
Sería sensato llevar un paraguas porque podría llover.
A2 noun /stɛə/

stair

escalón
Meaning
a step or set of steps leading from one level to another
Example
He tripped on the stair and fell down.
Se tropezó con el escalón y cayó.
B1 noun /sɒk/

sock

calcetín
Meaning
a piece of clothing worn on the foot and lower part of the leg.
Example
He put on a pair of clean socks before leaving the house.
Se puso un par de calcetines limpios antes de salir de casa.
B2 noun /ˈspəʊksmən/

spokesman

portavoz
Meaning
a person who speaks on behalf of others, especially for a group or organization
Example
The spokesman addressed the crowd during the rally.
El portavoz dirigió a la multitud durante la manifestación.
B2 adjective /ˈʃeɪ.ki/

Shaky

inestable; tembloroso; poco fiable; débil
Meaning
unstable; trembling; unreliable; weak
Example
His voice was shaky with nervousness.
Su voz estaba temblorosa por los nervios.
A1 pronoun /ˈsʌmθɪŋ/

something

algo
Meaning
an unspecified or unknown thing
Example
I think something is wrong with my phone.
Creo que algo está mal con mi teléfono.
B2 adjective /ˈstʌdid/

studied

estudiado
Meaning
carefully considered, deliberate, or planned
Example
Her response was calm and studied, not impulsive.
Su respuesta fue calmada y estudiada, no impulsiva.
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.
C1 noun /ˈsʌnˌdaʊn/

sundown

puesta de sol
Meaning
the time in the evening when the sun goes below the horizon
Example
We planned to reach the village before sundown.
Planeamos llegar al pueblo antes de la puesta de sol.
B2 noun /skʌl/

Skull

cráneo
Meaning
the bony framework of the head that protects the brain
Example
The doctor examined the skull X-ray carefully.
El doctor examinó cuidadosamente la radiografía del cráneo.
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.
A1 noun /sɛpˈtɛmbər/

september

septiembre
Meaning
The ninth month of the year in the Gregorian calendar
Example
My birthday is in September, and I always celebrate it with friends.
Mi cumpleaños es en septiembre, y siempre lo celebro con amigos.
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 /ˈsɜːdʒəri/

surgery

cirugía
Meaning
a medical procedure involving the cutting of the body to treat a condition
Example
She underwent surgery to remove the tumor.
Ella se sometió a una cirugía para eliminar el tumor.
B2 noun /ˈsikwəl/

Sequel

secuela
Meaning
a published, broadcast, or recorded work that continues the story or develops the theme of an earlier one; something that takes place after or as a result of an earlier event
Example
The movie sequel was even more successful than the original.
La secuela de la película fue aún más exitosa que la original.
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 adjective /ˈsteɪʃəˌneri/

stationary

estático
Meaning
Not moving or not intended to be moved.
Example
The car remained stationary at the red light.
El coche permaneció estacionario en el semáforo rojo.
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.
C1 adjective /ˈspaɪni/

spiny

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

sportive

deportivo
Meaning
Playful, lively, or full of fun.
Example
The children were in a sportive mood during the picnic.
Los niños estaban en un estado de ánimo deportivo durante el picnic.
C1 adjective /ˌsækrɪˈfɪʃəl/

sacrificial

sacrificial
Meaning
Relating to or involving sacrifice.
Example
The lamb was used as a sacrificial offering in the ritual.
El cordero fue utilizado como una ofrenda sacrificial en el ritual.
B2 noun /stəˈbɪl.ə.ti/

Stability

estabilidad
Meaning
the state of being stable; firmness; steadiness
Example
Political stability is essential for economic growth.
La estabilidad política es esencial para el crecimiento económico.
C2 noun səˈtaɪ.ə.ti

satiety

satisfacción
Meaning
The feeling of being satisfied or full, especially with regard to food.
Example
High-fiber foods provide longer satiety.
Los alimentos ricos en fibra proporcionan mayor satisfacción.
B2 noun /ˈstrʌk.tʃərz/

structures

estructuras
Meaning
Buildings or other objects constructed from several parts.
Example
The region has ancient structures.
La región tiene estructuras antiguas.
B2 noun/verb /ˈsoʊ.ɪŋ/

sewing

costura
Meaning
The activity or skill of joining fabric using a needle and thread
Example
She enjoys sewing her own clothes on weekends.
Ella disfruta cosiendo su propia ropa los fines de semana.
C1 noun /ˈstænzə/

stanza

estrofa
Meaning
a group of lines forming a unit in a poem or song
Example
The poem begins with a stanza describing nature.
El poema comienza con una estrofa que describe la naturaleza.
C1 adjective /ˈstætʃətɔːri/

statutory

estatutario
Meaning
Required, permitted, or enacted by law.
Example
The company must comply with all statutory regulations.
La empresa debe cumplir con todas las regulaciones estatutarias.
B2 adjective /ˈspiː.di/

Speedy

rápido; veloz; ágil;
Meaning
moving or happening quickly; fast
Example
The speedy delivery service arrived within an hour.
El servicio de entrega rápido llegó en una hora.
C1 adjective /ˈspjʊəriəs/

spurious

falso / fraudulento
Meaning
Not genuine, authentic, or true; false or fake.
Example
The report was based on spurious claims.
El informe se basó en afirmaciones falsas.
C1 noun, adjective, verb /səˈbɔːrdənət/ (noun/adjective), /səˈbɔːrdəˌneɪt/ (verb)

subordinate

subordinado
Meaning
lower in rank or position; to treat as less important
Example
He manages ten subordinates in his department.
Él gestiona diez subordinados en su departamento.
A2 noun /stɛps/

steps

pasos
Meaning
A measure or action, especially one of a series taken in order to deal with or achieve a particular thing.
Example
Taking small steps reduces overwhelm.
Dar pequeños pasos reduce el agobio.
C1 verb /ˈsɔːntər/

saunter

caminar despacio
Meaning
to walk in a slow, relaxed manner without hurry or effort
Example
We sauntered along the riverside, stopping now and then to watch the boats.
Caminamos lentamente por la orilla del río, deteniéndonos de vez en cuando para observar los botes.
B1 adverb /ˈsædli/

sadly

tristemente
Meaning
in a sorrowful or unhappy manner
Example
She sadly waved goodbye as the train departed.
Ella saludó tristemente mientras el tren partía.
C1 verb /sɪft/

sift

tamizar / examinar cuidadosamente
Meaning
to separate or sort through carefully, often using a sieve or by examining closely
Example
She sifted the flour before adding it to the cake mixture.
Ella tamizó la harina antes de agregarla a la mezcla del pastel.
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 adjective /ˌsɛm.iˈæn.ju.əl/

semiannual

semi-anual
Meaning
Occurring twice a year; every six months.
Example
The company holds a semiannual meeting with all employees.
La empresa organiza una reunión semi-anual con todos los empleados.
B2 noun /səˈvaɪvl/

survival

supervivencia
Meaning
the state of continuing to live or exist, typically in difficult conditions
Example
Survival in the wild can be a challenging experience.
La supervivencia en la naturaleza puede ser una experiencia desafiante.
A2 adverb /ˈsʌm.deɪ/

someday

algún día
Meaning
at some time in the future
Example
Someday, I want to travel the world.
Algún día quiero viajar por el mundo.
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 noun /ˈsɪmpəθi/

Sympathy

simpatía
Meaning
feelings of pity and sorrow for someone else's misfortune
Example
She expressed her sympathy for the victims of the accident.
Ella expresó su simpatía por las víctimas del accidente.
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.
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.
A2 verb /smel/

smell

oler
Meaning
to perceive odor through the nose; to have an odor
Example
The flowers smell sweet.
Las flores huelen dulces.
A2 verb /ʃeɪk/

shake

sacudir
Meaning
to move quickly back and forth; to tremble
Example
The earthquake made the building shake.
El terremoto hizo que el edificio se sacudiera.
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.
A2 noun /sɒks/

Socks

calcetines
Meaning
soft coverings for the feet, typically worn inside shoes
Example
I need to buy new socks for winter.
Necesito comprar calcetines nuevos para el invierno.
B2 noun /ˈsɪɡ.nə.tʃər/

Signature

firma
Meaning
a person's name written in their own handwriting as identification or authorization
Example
Please put your signature at the bottom of the document.
Por favor ponga su firma en la parte inferior del documento.
C2 adjective /ˌsuː.pɚˈsɪl.i.əs/

supercilious

arrogante
Meaning
Behaving or looking as though one thinks one is superior to others; arrogant and disdainful.
Example
She gave him a supercilious smile as if he was beneath her.
Ella le dio una sonrisa arrogante como si él estuviera por debajo de ella.
B1 verb /səˈspɛkt/

suspect

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

Suspense

suspenso
Meaning
a feeling of excited or anxious uncertainty about what will happen
Example
The movie kept us in suspense until the very end.
La película nos mantuvo en suspenso hasta el final.
B2 verb /smæʃ/

smash

romper
Meaning
to break something into pieces violently
Example
She smashed the glass in frustration.
Ella rompió el vaso en frustración.
B2 noun /ˈspesɪmən/

Specimen

muestra; espécimen; ejemplar
Meaning
an individual example of something; a sample collected for scientific study or testing
Example
The scientist collected a blood specimen for analysis.
El científico recogió una muestra de sangre para su análisis.
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.
B2 noun /spæn/

span

extensión
Meaning
the full extent or length of something from one end to another
Example
The bridge has a span of over 500 meters.
El puente tiene una extensión de más de 500 metros.
A2 adjective /skaɪ bluː/

Sky-blue

azul cielo
Meaning
a bright blue color like that of a clear sky
Example
Her sky-blue eyes sparkled in the sunlight.
Sus ojos azul cielo brillaban a la luz del sol.
B1 noun /ˈsʌməri/

summary

resumen
Meaning
A brief statement of the main points of something.
Example
She wrote a summary of the book for her class.
Ella escribió un resumen del libro para su clase.
C1 adjective /ˈsɛnʃənt/

sentient

sensible
Meaning
Able to perceive or feel things.
Example
Humans are sentient beings capable of reasoning.
Los humanos son seres sentientes capaces de razonar.
A2 noun /səˈpraɪz/

surprise

sorpresa
Meaning
a sudden and unexpected event or situation
Example
His arrival was a pleasant surprise.
Su llegada fue una agradable sorpresa.
C1 adjective /ˈsiːzənəbəl/

Seasonable

estacional
Meaning
occurring at the right time; appropriate for the season; timely
Example
The seasonable rain helped the farmers with their crops.
La lluvia estacional ayudó a los agricultores con sus cultivos.
A2 noun /stres/

stress

estrés
Meaning
Physical, mental, or emotional strain or tension.
Example
Excessive stress can lead to health issues.
El estrés excesivo puede causar problemas de salud.
A2 noun /skɪl/

skill

habilidad
Meaning
the ability to do something well through training or experience
Example
Her skill in painting impressed everyone.
Su habilidad en la pintura impresionó a todos.
B1 noun /ˈspiːʃiːz/

Species

especie; tipo
Meaning
a group of living organisms that can reproduce with each other; a type or kind
Example
The Amazon rainforest is home to thousands of animal species.
La selva amazónica es hogar de miles de especies animales.
C2 noun /sælv/

salve

ungüento
Meaning
An ointment used to promote healing of the skin or as protection.
Example
She applied a salve to the burn on her hand.
Ella aplicó un ungüento en la quemadura de su mano.
C1 noun /ˌsɛnsɪtaɪˈzeɪʃən/

sensitization

sensibilización
Meaning
The process of becoming sensitive to a substance, situation, or influence.
Example
The doctor warned about the sensitization caused by repeated exposure to chemicals.
El doctor advirtió sobre la sensibilización causada por la exposición repetida a productos químicos.
C1 verb /ˈspɪərˌhɛd/

spearhead

encabezar
Meaning
to lead or initiate an action, project, or movement
Example
She spearheaded the campaign for environmental awareness.
Ella encabezó la campaña por la conciencia ambiental.
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.
C2 verb /ˈsʌk.əl/

suckle

amamantar
Meaning
to feed a baby or young animal with milk from the breast or udder
Example
The mother cat suckled her kittens in the basket.
La madre gata amamantó a sus gatitos en la cesta.
C1 verb /sɪˈdjuːs/

seduce

seducir
Meaning
to attract someone into doing something, especially something they might not normally do
Example
The advertisement was designed to seduce customers into buying luxury products.
El anuncio estaba diseñado para seducir a los clientes a comprar productos de lujo.
C2 noun /ˈsʌbtərˌfjuːdʒ/

subterfuge

subterfugio
Meaning
Deceit used to achieve one's goal; a trick or excuse to evade something.
Example
They used subterfuge to avoid paying taxes.
Usaron subterfugio para evitar pagar impuestos.
B1 noun /ˈsʌb.ɜːb/

Suburb

suburbio
Meaning
a residential area outside the central part of a city; an outlying district of a city
Example
They moved to a quiet suburb to raise their children away from city noise.
Se mudaron a un suburbio tranquilo para criar a sus hijos lejos del ruido de la ciudad.