sustainable practices
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C1 noun səˈsteɪnəbəl ˈpræktɪsɪz

sustainable practices

prácticas sostenibles
Meaning
Methods and activities that can be maintained over time without depleting natural resources or harming the environment.
Example
Sustainable practices are vital for environmental preservation.
Las prácticas sostenibles son vitales para la preservación del medio ambiente.
C1 noun /ˈskævɪndʒər/

scavenger

carroñero / recolector de basura
Meaning
an animal or person that feeds on dead or discarded material
Example
Vultures are natural scavengers that clean up the environment.
Los buitres son escavengers naturales que limpian el medio ambiente.
C1 noun /siˈɛrə klʌb/

Sierra Club

Sierra Club
Meaning
An American environmental organization founded in 1892 by John Muir, focused on promoting conservation of the natural environment by influencing public policy decisions.
Example
John Muir founded the Sierra Club in 1892 to protect wild areas.
John Muir fundó el Sierra Club en 1892 para proteger áreas salvajes.
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.
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.
C1 adjective ˈsɛd(ə)ntəri

sedentary

sedentario
Meaning
Characterized by much sitting and little physical activity.
Example
A sedentary lifestyle can lead to numerous health problems.
Un estilo de vida sedentario puede conducir a numerosos problemas de salud.
C1 noun /ˈsteɪl.meɪt/

stalemate

empate
Meaning
A situation in which no progress can be made or no party can win.
Example
Negotiations ended in a stalemate.
Las negociaciones terminaron en un empate.
C1 noun /ˌsɛlfsəˈfɪʃənsi/

Self-sufficiency

autosuficiencia
Meaning
the ability to supply one's own needs without external assistance; independence
Example
The farm achieved complete self-sufficiency in food production.
La granja logró la autosuficiencia completa en la producción de alimentos.
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 adjective /ˈsteɪtli/

stately

majestuoso y digno
Meaning
Having a dignified, majestic, and impressive appearance or manner.
Example
The stately mansion stood at the end of the long driveway.
La majestuosa mansión se encontraba al final del largo camino de entrada.
C1 adjective səˈsaɪ.ə.təl

societal

social
Meaning
Relating to society or social relationships.
Example
Societal benefits of space tourism are under debate.
Los beneficios sociales del turismo espacial están en debate.
C1 adjective /ˈswoʊlən/

swollen

hinchado
Meaning
Enlarged or puffed up, usually due to injury, inflammation, or fluid accumulation
Example
Her ankle was swollen after she twisted it during the hike.
Su tobillo estaba hinchado después de torcerlo durante la caminata.
C1 noun /ˈspɪnstər/

spinster

soltera
Meaning
An unmarried woman, often one who is older and considered unlikely to marry
Example
The novel featured a kind-hearted spinster who cared for the village children.
La novela presentó a una soltera de buen corazón que cuidaba a los niños del pueblo.
C1 adjective /sɪˈnɒnɪməs/

synonymous

sinónimo
Meaning
having the same or nearly the same meaning; closely associated with something
Example
For many people, her name is synonymous with generosity.
Para muchas personas, su nombre es sinónimo de generosidad.
C1 noun sælˈveɪʃən

salvation

salvación
Meaning
Deliverance from sin and its consequences, believed by Christians to be brought about by faith in Christ.
Example
The story revolves around the theme of salvation.
La historia gira en torno al tema de la salvación.
C1 noun /ˈswiːt.miːt/

Sweetmeat

dulce
Meaning
a small piece of confectionery or candy; a sweet delicacy
Example
The children enjoyed the traditional sweetmeats during the festival.
Los niños disfrutaron de los dulces tradicionales durante el festival.
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.
C1 adjective /ˈsɛnʃuəs/

sensuous

sensual
Meaning
Relating to or affecting the senses rather than the intellect; pleasing to the senses.
Example
The garden was filled with sensuous colors and fragrances.
El jardín estaba lleno de colores y fragancias sensuales.
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.
C1 adverb /ˈsɜːrtʃɪŋli/

searchingly

buscadoramente
Meaning
In a way that seems to look for hidden meanings or truth.
Example
She looked at him searchingly, hoping for an honest answer.
Ella lo miró buscando, esperando una respuesta honesta.
C1 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 noun /suˈpriː.mə.si/

Supremacy

supremacía; autoridad o poder más alto
Meaning
the state of being supreme; highest authority or power
Example
The country established naval supremacy in the region.
El país estableció supremacía naval en la región.
C1 adjective /ˈsɔːsi/

saucy

atrevido
Meaning
Boldly rude, cheeky, or playfully disrespectful.
Example
The child gave a saucy reply to his teacher.
El niño dio una respuesta atrevida a su maestro.
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.
C1 adjective /səˈtɪrɪkəl/

satirical

satírico
Meaning
containing or using satire to criticize or mock
Example
The satirical cartoon mocked the government's new policy.
El dibujo satírico burló la nueva política del gobierno.
C1 adjective /ˈstɛr.aɪl/

sterile

estéril
Meaning
Free from bacteria or other living microorganisms; incapable of producing offspring.
Example
The surgeon worked in a sterile environment to avoid infection.
El cirujano trabajó en un ambiente estéril para evitar infecciones.
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.
C1 adjective sɪˈmæn.tɪk

semantic

relacionado con el significado en el lenguaje
Meaning
Related to meaning in language; concerning the interpretation of words and sentences.
Example
AI models use semantic analysis to understand context.
Los modelos de IA utilizan análisis semántico para entender el contexto.
C1 verb /ˈstɪɡmətaɪz/

stigmatize

estigmatizar
Meaning
to describe or regard someone as worthy of disgrace or disapproval
Example
People with certain illnesses are often unfairly stigmatized.
Las personas con ciertas enfermedades a menudo son estigmatizadas de manera injusta.
C1 noun /sərˈveɪər/

surveyor

topógrafo
Meaning
A person who measures and maps land, buildings, or other features.
Example
The surveyor measured the land for construction.
El topógrafo midió la tierra para la construcción.
C1 verb /ˈsmoʊldər/

smolder

ardecer lentamente
Meaning
to burn slowly with smoke but no flame; to show suppressed anger or emotion
Example
The fire smoldered for hours before it went out.
El fuego ardió lentamente durante horas antes de apagarse.
C1 noun /səbˈvɜːrʒən/

subversion

subversión
Meaning
the act of trying to destroy or undermine an established system or authority
Example
The government accused the rebels of planning subversion.
El gobierno acusó a los rebeldes de planear una subversión.
C1 adjective skiˈmæt.ɪk

Schematic

relacionado con un esquema o de forma resumida
Meaning
Presenting some framework or concept briefly
Example
The engineer provided a schematic diagram of the project.
El ingeniero proporcionó un diagrama esquemático del proyecto.
C1 adjective /spəˈrædɪk/

sporadic

esporádico
Meaning
Occurring irregularly or in scattered instances rather than continuously.
Example
The region experienced sporadic rain showers throughout the week.
La región experimentó lluvias esporádicas durante toda la semana.
C1 noun /səbˈmɪtəl/

submittal

entrega
Meaning
the act of submitting something, especially a document for consideration or approval
Example
The contractor sent the submittal to the client for approval.
El contratista envió la entrega al cliente para su aprobación.
C1 noun /sɪv/

sieve

colador
Meaning
a utensil with a mesh or perforated bottom, used for straining or sifting
Example
She used a sieve to strain the pasta.
Ella usó un colador para colar la pasta.
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.
C1 adjective /ˈsaɪz.mɪk/

seismic

sísmico
Meaning
Relating to earthquakes or vibrations of the earth and its crust.
Example
The region is known for its seismic activity.
La región es conocida por su actividad sísmica.
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 adjective /ˈstɛlər/

stellar

excepcional
Meaning
Relating to stars; outstanding or excellent.
Example
She gave a stellar performance in the play.
Ella dio una actuación excepcional en la obra.
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.
C1 noun /strəˈtiː.dʒɪk ˈɪn.saɪts/

strategic insights

perspectivas estratégicas
Meaning
Deep understanding and wisdom gained through careful analysis for planning purposes.
Example
Strategic insights guide policymaking.
Las perspectivas estratégicas guían la toma de decisiones políticas.
C1 noun /ˌsɛrənˈdɪpɪti/

serendipity

serendipia
Meaning
The occurrence of events by chance in a happy or beneficial way.
Example
Finding that old photo album was pure serendipity.
Encontrar ese viejo álbum de fotos fue pura serendipia.
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 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.
C1 noun /ˈstaɪpend/

Stipend

subsidio
Meaning
a fixed regular sum paid as a salary or allowance
Example
The research student receives a monthly stipend for living expenses.
El estudiante de investigación recibe un estipendio mensual para sus gastos de vida.
C1 adjective /ˈsɪnjuəs/

sinuous

sinuoso
Meaning
Having many curves, bends, or turns; winding.
Example
The hikers followed a sinuous path through the forest.
Los excursionistas siguieron un camino sinuoso a través del bosque.
C1 adjective /ˈsɜːrvɪsəbl/

serviceable

utilizable
Meaning
fit for use; usable; in working order
Example
The old bicycle is still serviceable despite its age.
La bicicleta vieja sigue siendo utilizable a pesar de su edad.
C1 noun ˌsɛlf.rɪˈstreɪnt

self-restraint

autocontrol
Meaning
The practice of restraining oneself from indulging in something, typically an impulse or desire.
Example
Practicing self-restraint helps in avoiding impulsive decisions.
Practicar el autocontrol ayuda a evitar decisiones impulsivas.
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.
C1 noun /ˈsʌm.ɪt əv ðə ˈfjuː.tʃər/

Summit of the Future

Cumbre del futuro
Meaning
A high-level conference focused on addressing future challenges and opportunities.
Example
The Summit of the Future addressed global challenges.
La Cumbre del Futuro abordó los desafíos globales.
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 adjective /ˈspɛktrəl/

spectral

espectral
Meaning
Relating to a ghost or specter; ghostly. Also relating to a spectrum.
Example
The old mansion had a spectral atmosphere at night.
La vieja mansión tenía una atmósfera espectral por la noche.
C1 adjective /ˈspeɪʃəl/

spatial

espacial
Meaning
relating to space or the position, area, and size of things
Example
The scientist studied the spatial arrangement of stars.
El científico estudió la disposición espacial de las estrellas.
C1 verb /ˈsʌkɪŋ/

sucking

chupar
Meaning
Drawing in a liquid, air, or other substance through the mouth or a tube by creating a vacuum; also used figuratively for something unpleasant or ineffective
Example
The baby is sucking on a pacifier.
El bebé está chupando un chupete.
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.
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.
C1 noun, verb /spreɪn/

sprain

esguince
Meaning
an injury to a joint in which the ligaments are stretched or torn
Example
She sprained her ankle while running in the park.
Ella se torció el tobillo mientras corría en el parque.
C1 noun, verb /ˈskʌf.əl/

scuffle

pelea/disputa
Meaning
a short, confused fight or struggle; to engage in such a fight
Example
Two players scuffled on the field after the foul.
Dos jugadores se pelearon en el campo después de la falta.
C1 adjective /ˌsɛlf ɪˈfeɪsɪŋ/

self-effacing

modesto
Meaning
not drawing attention to oneself; modest
Example
Despite his success, he remained self-effacing and humble.
A pesar de su éxito, él se mantuvo modesto y humilde.
C1 noun, adjective /ˈsɒlvənt/

solvent

disolvente, capaz de pagar deudas
Meaning
a liquid that dissolves other substances; also means able to pay debts
Example
Acetone is a common solvent used in laboratories.
El acetona es un disolvente común usado en laboratorios.
C1 adjective ˌsɪn.əˈdʒɪs.tɪk

synergistic

sinérgico
Meaning
Relating to the interaction of elements that when combined produce a greater effect than the sum of their individual effects.
Example
A synergistic effect occurs when nutrients work together.
Un efecto sinérgico ocurre cuando los nutrientes trabajan juntos.
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.
C1 noun /ˈstɪm.jʊ.laɪ/

stimuli

estímulo
Meaning
Things that create reactions or provide motivation.
Example
Bright light and loud sounds are common stimuli for alertness.
La luz brillante y los sonidos fuertes son estímulos comunes para la alerta.
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 verb /ʃɪə/

shear

cortar
Meaning
to cut the wool off a sheep or to cut something with sharp tools like scissors or shears
Example
The farmer will shear the sheep in the spring.
El agricultor sheará la oveja en la primavera.
C1 verb /ˈstaɪfl/

stifle

sofocar
Meaning
to prevent or restrain an action, idea, or emotion; to suffocate
Example
She tried to stifle a laugh during the serious meeting.
Ella intentó sofocar una risa durante la reunión seria.
C1 adjective /sɪmˈplɪstɪk/

simplistic

excesivamente simplificado
Meaning
treating complex issues as if they were much simpler than they really are
Example
His explanation was too simplistic and ignored key details.
Su explicación fue demasiado simplificada e ignoró detalles clave.
C1 verb/noun /snɑːrl/

snarl

gruñido, atasco
Meaning
to growl aggressively with bared teeth; a tangle or mess
Example
The dog snarled at the stranger near the gate.
El perro gruñó al extraño cerca de la puerta.
C1 noun /ˈspɛkjʊˌleɪtər/

speculator

especulador
Meaning
A person who forms theories without evidence, or invests in assets hoping for profit.
Example
The real estate speculator bought land hoping its value would rise.
El especulador de bienes raíces compró tierras con la esperanza de que su valor aumentaría.
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.
C1 adjective /seɪdʒ/

Sage

sabio; prudente; con buen juicio
Meaning
wise; showing wisdom from experience; prudent; having good judgment
Example
The sage advice from the elder helped solve the problem.
El sabio consejo del anciano ayudó a resolver el problema.
C1 verb /skʌf/

scuff

rasguñar
Meaning
to mark or scratch the surface of something by rubbing
Example
He scuffed his shoes on the pavement.
Él rasguñó sus zapatos en la acera.
C1 adjective /ˈseɪ.vər.i/

savory

sabroso (salado o picante)
Meaning
Having a pleasant salty or spicy taste; morally acceptable.
Example
The restaurant serves a variety of savory dishes.
El restaurante sirve una variedad de platos sabrosos.
C1 noun /ˈsæŋk.ʃən/

Sanction

sanción
Meaning
official permission or approval; a penalty for disobeying a rule
Example
The government imposed economic sanctions on the country.
El gobierno impuso sanciones económicas al país.
C1 noun /ˌsɒl.jʊˈbɪləti/

solubility

solubilidad
Meaning
The ability of a substance to dissolve in a solvent.
Example
The solubility of salt in water is high.
La solubilidad de la sal en agua es alta.
C1 noun ˈsɪmbəlɪzəm

symbolism

simbolismo
Meaning
The use of symbols to represent ideas or qualities.
Example
The use of symbolism in the novel is masterful.
El uso de simbolismo en la novela es magistral.
C1 adjective /ˈstɪndʒi/

stingy

tacaño
Meaning
unwilling to spend or give; miserly
Example
He is too stingy to buy a gift for his friend.
Es demasiado tacaño para comprar un regalo para su amigo.
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.
C1 noun /ˈstɒpɪdʒ/

stoppage

parada; detención
Meaning
The act of stopping or ceasing; a halt in operation or activity
Example
The sudden stoppage of the train caused delays for all passengers.
La parada repentina del tren causó retrasos a todos los pasajeros.
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.
C1 noun, verb /səˈpiːnə/

subpoena

citación judicial
Meaning
a legal document ordering someone to attend court; to summon someone with such a document
Example
The witness received a subpoena to appear in court next week.
El testigo recibió una citación judicial para comparecer en la corte la próxima semana.
C1 adjective /ˈʃeɪp.ləs/

Shapeless

sin forma
Meaning
having no definite or well-defined shape or form
Example
The fog created a shapeless mass in the distance.
La niebla creó una masa sin forma a lo lejos.
C1 verb /ˈsælvɪdʒ/

salvage

salvar
Meaning
To save something from loss, damage, or destruction.
Example
They managed to salvage some goods from the fire.
Lograron salvar algunos bienes del incendio.
C1 noun /ʃeɪl/

shale

pizarra
Meaning
a fine-grained sedimentary rock that can be split into thin layers
Example
The region is rich in shale and natural gas deposits.
La región es rica en pizarra y depósitos de gas natural.
C1 adjective /ˌsækrəˈlɪdʒəs/

sacrilegious

sacrílego
Meaning
Showing disrespect or irreverence toward something sacred.
Example
The painting was criticized as being sacrilegious.
La pintura fue criticada por ser sacrílega.
C1 verb /struː/

strew

esparcir
Meaning
to scatter or spread things untidily over a surface or area
Example
Clothes were strewn across the floor.
La ropa estaba esparcida por el suelo.
C1 noun ˌsɪstəˈmætɪk ˈseɪvɪŋz

systematic savings

ahorros sistemáticos
Meaning
A structured and organized approach to regularly saving money according to a planned schedule
Example
Systematic savings can mitigate financial crises in old age.
Los ahorros sistemáticos pueden mitigar las crisis financieras en la vejez.
C1 noun /ˈsɛdətɪv/

sedative

sedante
Meaning
A substance that calms the nerves or induces sleep.
Example
The doctor prescribed a sedative to help the patient sleep.
El doctor recetó un sedante para ayudar al paciente a dormir.
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.
C1 verb /spɜːr/

spur

estimular / incentivar
Meaning
To encourage or motivate someone to take action.
Example
The teacher's praise spurred him to study harder.
El elogio del maestro lo estimuló a estudiar más duro.
C1 noun ˈsʌs.tɪ.nəns

Sustenance

sustento o alimento
Meaning
Food or support necessary for sustaining life
Example
Water is essential for human sustenance.
El agua es esencial para la sustentación humana.
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.
C1 adjective /ʃrɪl/

shrill

sonido agudo
Meaning
High-pitched and piercing in sound.
Example
The shrill whistle startled everyone in the room.
El silbido agudo sorprendió a todos en la sala.
C1 noun /ˈskæf.əld/

Scaffold

andamio
Meaning
a temporary structure used by workers to stand on when building or repairing something high; a platform for execution
Example
The workers erected a scaffold to paint the building's exterior.
Los trabajadores erigieron un andamio para pintar el exterior del edificio.
C1 noun /ʃɑːrd/

shard

fragmento
Meaning
a broken piece of glass, metal, or pottery
Example
He cut his finger on a shard of glass.
Se cortó el dedo con un fragmento de vidrio.
C1 adjective /sɪˈmɛtrɪkəl/

symmetrical

simétrico
Meaning
having parts on either side that match or are the same in shape, size, or arrangement
Example
The artist designed a symmetrical pattern on the floor.
El artista diseñó un patrón simétrico en el suelo.
C1 verb /ˈstæɡ.neɪt/

stagnate

estancarse
Meaning
to stop developing, progressing, or moving
Example
Without innovation, the business will stagnate.
sin innovación, el negocio se estancará.
C1 verb /ʃraʊd/

shroud

envolver
Meaning
to cover or hide; to wrap in cloth
Example
The mountain peak was shrouded in mist.
La cima de la montaña estaba envuelta en niebla.
C1 adjective /ˈsɜːrvaɪl/ or /ˈsɜːrvəl/

servile

servil
Meaning
having or showing an excessive willingness to serve or please others
Example
His servile attitude annoyed his colleagues.
Su actitud servil molestaba a sus compañeros.
C1 noun /ˈsɔː.dʌst/

sawdust

aserrín
Meaning
The tiny particles of wood produced by sawing or sanding.
Example
The floor was covered with sawdust from the carpentry work.
El suelo estaba cubierto con aserrín del trabajo de carpintería.
C1 noun /slɪt/

Slit

rendija
Meaning
a long narrow opening or cut
Example
There was a small slit in the fabric.
Había una pequeña rendija en la tela.
C1 verb /stoʊk/

stoke

avivar el fuego; fomentar o aumentar un sentimiento o actividad fuerte
Meaning
To add fuel to a fire; to encourage or increase a strong feeling or activity.
Example
The politician’s speech stoked anger among the crowd.
El discurso del político encendió la ira entre la multitud.
C1 noun ˈsɒv.rɪn.ti

sovereignty

soberanía
Meaning
The authority of a state to govern itself or another state; supreme power or authority.
Example
Sovereignty is essential for a nation's identity.
La soberanía es esencial para la identidad de una nación.
C1 verb/noun /ˈsɒldər/

solder

soldar
Meaning
To join metal parts together by melting and putting a filler metal into the joint
Example
He soldered the broken wires back together.
Él soldó los cables rotos de nuevo.
C1 adjective /səbˈdʒɛktɪv/

subjective

subjetivo
Meaning
based on personal feelings, tastes, or opinions rather than facts
Example
Beauty is often considered a subjective concept.
La belleza a menudo se considera un concepto subjetivo.
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.
C1 adjective ˌsɪmbɪˈɒtɪk

symbiotic

simbiótico
Meaning
Involving interaction between two different organisms living in close physical association.
Example
The relationship between the bee and the flower is symbiotic.
La relación entre la abeja y la flor es simbiótica.
C1 verb /ˈskwɒndər/

squander

malgastar
Meaning
to waste money, time, or opportunities in a careless way
Example
He squandered his inheritance on gambling.
Él malgastó su herencia en juegos de azar.
C1 noun speɪst ˌrep.ɪˈtɪʃ.ən

spaced repetition

repetición espaciada
Meaning
A learning technique that involves reviewing information at increasing intervals to improve long-term retention.
Example
Spaced repetition helps in long-term memory retention.
La repetición espaciada ayuda a retener la memoria a largo plazo.
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.
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 /ˈsæf.rən/

Saffron

azafrán
Meaning
a deep yellow-orange color; an expensive spice derived from crocus flowers
Example
The saffron fabric looked beautiful in the sunlight.
La tela de azafrán se veía hermosa a la luz del sol.
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/verb /ˈskɜːrmɪʃ/

skirmish

escaramuza
Meaning
a small or brief fight between groups of soldiers; to engage in such a fight
Example
The soldiers got into a skirmish near the border.
Los soldados se metieron en una escaramuza cerca de la frontera.
C1 noun /stents/

stents

stents
Meaning
Small mesh tubes used to treat narrow or blocked arteries.
Example
Stents were successfully placed using robotic techniques.
Los stents fueron colocados con éxito utilizando técnicas robóticas.
C1 noun /spɛk/

speck

mancha
Meaning
A very small spot, mark, or particle.
Example
There was a tiny speck of dust on the glass table.
Había una pequeña mancha de polvo en la mesa de cristal.
C1 verb /ˈswɪndl/

swindle

estafar
Meaning
to cheat someone out of money or possessions by deceit
Example
The con artist tried to swindle the old man out of his savings.
El artista del engaño intentó estafar al anciano para quitarle sus ahorros.
C1 adjective /ˌsɛlf əbˈzɔːrbd/

self-absorbed

egocéntrico
Meaning
Excessively preoccupied with oneself and one’s own thoughts, feelings, or interests.
Example
He was too self-absorbed to notice his friend's distress.
Estaba demasiado egocéntrico para notar la angustia de su amigo.
C1 noun /ˈstɛə.rɪ.əʊˌtaɪ.pɪŋ/

stereotyping

estereotipar
Meaning
A widely held but fixed and oversimplified image or idea of a particular type of person or thing.
Example
Stereotyping people based on their race is harmful.
Estereotipar a las personas según su raza es perjudicial.
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.