rapidity
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C1 noun /rəˈpɪdəti/

rapidity

rapidez
Meaning
The quality of moving or happening quickly; swiftness or speed.
Example
The rapidity of technological change is astonishing.
La rapidez del cambio tecnológico es asombroso.
C1 noun /ˈreɪ.vən/

Raven

cuervo
Meaning
a large, black bird with a thick bill and harsh croaking voice
Example
The raven perched on the old oak tree and cawed loudly.
El cuervo se posó en el viejo roble y graznó fuerte.
C1 noun /ˈroʊdənt/

rodent

roedor
Meaning
a small mammal such as a mouse, rat, or squirrel, characterized by constantly growing incisors
Example
The farmer set traps to catch the rodents in his barn.
El granjero puso trampas para atrapar los roedores en su granero.
C1 verb /rɪˈfjuːt/

refute

refutar
Meaning
To prove a statement, argument, or theory to be false or invalid.
Example
The lawyer refuted the witness's testimony with solid evidence.
El abogado refutó el testimonio del testigo con pruebas sólidas.
C1 adjective /rɪˈdʌn.dənt/

redundant

innecesario
Meaning
Not or no longer needed or useful; superfluous.
Example
The report contained redundant information.
El informe contenía información innecesaria.
C1 adjective /ˈræmʃækəl/

ramshackle

deteriorado
Meaning
poorly built or maintained; in a state of disrepair
Example
They lived in a ramshackle old house on the edge of town.
Vivían en una casa deteriorada en el borde de la ciudad.
C1 noun /ˈrɛpərˌtɔːri/

repertory

repertorio
Meaning
A collection of works that a company, performer, or institution regularly performs; also a storehouse of information or skills.
Example
The theater has a repertory of classic plays.
El teatro tiene un repertorio de obras clásicas.
C1 noun /ˈriːkɔːrs/

recourse

recurso, ayuda
Meaning
a source of help or protection in a difficult situation
Example
The students had no recourse but to appeal to the principal.
Los estudiantes no tenían otro recurso que apelar al director.
C1 verb /rɪˈlɛnt/

relent

ceder, ser más suave
Meaning
to become less severe, harsh, or strict
Example
After hours of begging, she finally relented.
Después de horas de súplicas, finalmente cedió.
C1 noun /rɪˈvʌlʃən/

revulsion

repulsión
Meaning
a strong feeling of disgust or repulsion
Example
She felt revulsion at the sight of the cruel act.
Ella sintió repulsión al ver el acto cruel.
C1 noun /rɪˈzʌmp.ʃən/

Resumption

reanudar
Meaning
the action of beginning something again after a pause or interruption
Example
The resumption of classes will be announced next week.
La reanudación de las clases será anunciada la próxima semana.
C1 verb /riːˈpeɪ.tri.eɪt/

repatriate

repatriar
Meaning
To return someone to their own country, often after war or imprisonment.
Example
The government worked to repatriate the refugees safely.
El gobierno trabajó para repatriar a los refugiados de manera segura.
C1 noun /rɪˈdʌn.dəns/

Redundance

redundancia
Meaning
the state of being not or no longer needed or useful; superfluous repetition of information
Example
The document contained redundance that made it unnecessarily long.
El documento contenía redundancia que lo hacía innecesariamente largo.
C1 verb rɪˈpel

repel

repeler
Meaning
To push away or force apart due to similar charges or properties.
Example
Protons repel each other.
Los protones se repelen entre sí.
C1 adjective /rɪˈtæl.i.ə.tɔːr.i/

retaliatory

represaliatorio
Meaning
Taking action in response to another's action, characterized as punitive, revengeful, or counteractive.
Example
The country imposed retaliatory tariffs in response to trade sanctions.
El país impuso aranceles represaliatorios en respuesta a las sanciones comerciales.
C1 noun /rɪˈmɔːrs/

Remorse

remordimiento
Meaning
deep regret or guilt for a wrong committed; bitter regret for something done
Example
He felt deep remorse for his actions.
Él sintió un profundo remordimiento por sus acciones.
C1 adjective /ˌrɛtroʊˈæktɪv/

retroactive

retroactivo
Meaning
applying to a period before it was enacted or established
Example
The new law was made retroactive to cover past cases.
La nueva ley se hizo retroactiva para cubrir los casos pasados.
C1 verb /reɪz/

raze

demoler
Meaning
To completely destroy or demolish something, especially a building.
Example
The old factory was razed to make way for new apartments.
La vieja fábrica fue demolida para dar paso a nuevos apartamentos.
C1 verb /rɪˈbʌf/

rebuff

rechazar
Meaning
to reject or refuse in a sharp or abrupt way
Example
She rebuffed his invitation to dinner.
Ella rechazó su invitación a cenar.
C1 adjective /rɪˈsɪ.prə.kəl/

Reciprocal

recíproco; mutuo; compartido por ambas partes;
Meaning
given or done in return; mutual; shared equally by both parties;
Example
The two countries have a reciprocal trade agreement.
Los dos países tienen un acuerdo comercial recíproco.
C1 noun /rɪˈspɒnsɪvnəs/

responsiveness

sensibilidad
Meaning
The quality of reacting quickly and positively
Example
The manager appreciated her responsiveness to customer feedback.
El gerente apreció su sensibilidad ante los comentarios de los clientes.
C1 noun /rɪˈpɑːzɪtɔːri/

repository

repositorio
Meaning
a place where things are stored or kept for safekeeping
Example
The library serves as a repository of knowledge.
La biblioteca sirve como un repositorio de conocimiento.
C1 adjective /ˈrʌɡ.ɪd/

Rugged

áspero y desigual; con superficie irregular; fuerte y resistente
Meaning
rough and uneven; having a rough irregular surface; tough and strong
Example
The hikers crossed the rugged mountain terrain.
Los excursionistas cruzaron el terreno accidentado de la montaña.
C1 adjective /rɪˈsɛptɪv/

receptive

receptivo
Meaning
Willing to listen to or accept new ideas, suggestions, or experiences.
Example
She was receptive to feedback from her colleagues.
Ella estaba receptiva a los comentarios de sus colegas.
C1 noun /rɪˈkɜr.əns/

Recurrence

recurrencia
Meaning
the fact of something happening again; an instance of something happening again
Example
The doctor was concerned about the recurrence of the patient's symptoms.
El doctor estaba preocupado por la recurrencia de los síntomas del paciente.
C1 noun ˌriːˌvaɪ.təl.aɪˈzeɪ.ʃən

revitalization

revitalización
Meaning
The action of giving new life and vitality to something.
Example
Proper rest and nutrition lead to revitalization of the body.
El descanso adecuado y la nutrición conducen a la revitalización del cuerpo.
C1 adjective /ˈreɪ.si/

racy

picante
Meaning
Lively, entertaining, or slightly shocking (especially in a sexual way).
Example
The novel was full of racy dialogues.
La novela estaba llena de diálogos picantes.
C1 adjective /ˈrɪkɪti/

rickety

deteriorado
Meaning
Poorly made and likely to collapse; shaky.
Example
They crossed a rickety wooden bridge over the river.
Cruzaron un puente de madera deteriorado sobre el río.
C1 noun /ræmˈbuːtən/

Rambutan

rambután
Meaning
a tropical fruit with red spiky skin and white translucent sweet flesh similar to litchi
Example
The rambutan looks scary with its hairy skin but tastes very sweet inside.
El rambutan se ve aterrador con su piel peluda, pero tiene un sabor muy dulce por dentro.
C1 noun /rɪˌtæl.iˈeɪ.ʃən/

Retaliation

represalia
Meaning
the action of returning a military attack; counterattack; revenge for an injury or wrong
Example
The country threatened retaliation against any act of aggression.
El país amenazó con represalias contra cualquier acto de agresión.
C1 noun /rəʊˈbɒt.ɪk ˈsɜː.dʒər.i/

robotic surgery

cirugía robótica
Meaning
Surgery performed with the assistance of robotic systems to enhance precision and reduce invasiveness.
Example
Robotic surgery enhances precision in complex procedures.
La cirugía robótica mejora la precisión en procedimientos complejos.
C1 verb /reɪv/

rave

alabar
Meaning
to speak or write about something with great enthusiasm or admiration
Example
Critics rave about the new movie.
Los críticos alaban la nueva película.
C1 verb /ˈreɪdieɪt/

radiate

irradiar
Meaning
to emit energy or light; to spread out from a center
Example
The fireplace radiates warmth throughout the room.
La chimenea irradia calor por toda la habitación.
C1 verb /ˈrek.ən.saɪl/

reconcile

reconciliar, armonizar, hacer las paces
Meaning
Restore friendly relations between; cause to coexist in harmony.
Example
They tried to reconcile their differences through open communication.
Ellos intentaron reconciliar sus diferencias mediante una comunicación abierta.
C1 adjective /rɪˈsɛsɪv/

recessive

recesivo
Meaning
In genetics, relating to a trait that is expressed only when two copies of the gene are present.
Example
Blue eye color is often a recessive trait.
El color de ojos azules es a menudo un rasgo recesivo.
C1 verb /riːˈfɜːrbɪʃ/

refurbish

rehacer
Meaning
To renovate or redecorate something, especially a building.
Example
The company decided to refurbish its old office.
La empresa decidió renovar su oficina antigua.
C1 noun /ˌres.ɪˈteɪ.ʃən/

Recitation

recitación
Meaning
the action of reciting or repeating aloud from memory
Example
The poetry recitation contest was held in the auditorium.
El concurso de recitación de poesía se llevó a cabo en el auditorio.
C1 adjective /rɪˈɡrɛtfəl/

regretful

arrepentido
Meaning
feeling or showing sadness or disappointment about something that has happened or been done
Example
She gave him a regretful smile as she turned away.
Ella le dio una sonrisa arrepentida mientras se alejaba.
C1 noun /rɪˈspɒndənt/

respondent

encuestado
Meaning
A person who replies to something, especially in a survey or legal case
Example
The survey had over 1,000 respondents.
La encuesta tuvo más de 1000 encuestados.
C1 noun, adjective /ˈrɛvərənd/

reverend

reverendo, honorable
Meaning
A title of respect used for members of the clergy; deserving deep respect.
Example
The Reverend gave an inspiring sermon at the church.
El reverendo dio un sermón inspirador en la iglesia.
C1 noun /rɪˈsaɪtl/

recital

recital
Meaning
A performance of music, dance, or poetry, usually by a soloist.
Example
She gave a piano recital at the concert hall.
Ella dio un recital de piano en la sala de conciertos.
C1 adjective /rɪˈsɔːrs ɪˈfɪʃ.ənt/

resource-efficient

eficiente en el uso de recursos
Meaning
Using resources in a way that minimizes waste and maximizes productivity.
Example
Resource-efficient farming conserves water and energy.
La agricultura eficiente en el uso de recursos conserva agua y energía.
C1 verb /rænt/

rant

gritar
Meaning
to speak or shout in an angry, uncontrolled way
Example
He ranted about the unfair treatment at work.
Él gritó acerca del trato injusto en el trabajo.
C1 verb /rɪˈprɛs/

repress

reprimir
Meaning
To restrain, suppress, or keep under control, especially emotions or desires.
Example
He tried to repress his anger during the meeting.
Él intentó reprimir su ira durante la reunión.
C1 adjective /ˌrɛmɪˈnɪsənt/

reminiscent

rememorativo
Meaning
Tending to remind one of something; suggestive of something in the past.
Example
The smell of rain is reminiscent of my childhood in the village.
El olor a lluvia es rememorativo de mi infancia en el pueblo.
C1 noun /ˈrɪpəl/

Ripple

onda
Meaning
a small wave on the surface of water; a spreading effect or influence
Example
The stone created ripples across the calm pond.
La piedra creó ondas en el tranquilo estanque.
C1 verb /rɪˈvoʊk/

revoke

revocar
Meaning
To officially cancel or withdraw a decision, privilege, or right.
Example
The government decided to revoke his passport.
El gobierno decidió revocar su pasaporte.
C1 adjective /rɪˈpres.ɪv/

Repressive

represivo
Meaning
restraining freedom or preventing self-expression; oppressive
Example
The repressive government banned all forms of protest.
El gobierno represivo prohibió todas las formas de protesta.
C1 adjective rɪˈsɛʃ.ən.er.i

recessionary

recesivo
Meaning
Relating to or characterized by economic recession.
Example
Governments introduce policies to counter recessionary effects.
Los gobiernos introducen políticas para contrarrestar los efectos recesivos.
C1 noun /ˌrɛfəˈrɛndəm/

referendum

referéndum
Meaning
a general vote by the population on a single political issue
Example
The government held a referendum on the new constitution.
El gobierno celebró un referéndum sobre la nueva constitución.
C1 adjective /ˈraɪ.tʃəs/

Righteous

recto; justo; virtuoso
Meaning
morally right or justifiable; virtuous; having strong moral principles
Example
She felt righteous anger at the unfair treatment of workers.
Ella sintió ira justa por el trato injusto hacia los trabajadores.
C1 noun/verb /rɪˈpriːz/

reprise

repetición
Meaning
A repetition or return to an earlier theme, role, or action.
Example
The actor reprised his role in the sequel.
El actor repitió su papel en la secuela.
C1 adjective /rɪˈbel.jəs/

Rebellious

rebelde; desobediente; que resiste la autoridad;
Meaning
defying authority; resisting control; disobedient;
Example
The rebellious teenager refused to follow his parents' rules.
El adolescente rebelde se negó a seguir las reglas de sus padres.
C1 verb rɪˈlɪŋ.kwɪʃ

relinquish

renunciar
Meaning
To give up any authority, responsibility, or property.
Example
He decided to relinquish his position as CEO.
Él decidió renunciar a su puesto como CEO.
C1 noun /ˈreɪdiəns/

radiance

radiancia
Meaning
the quality of shining with bright light; a glowing or beaming quality
Example
Her face was filled with radiance after hearing the good news.
Su rostro se llenó de radiancia después de escuchar las buenas noticias.
C1 noun /ˈroʊz ˈwɔː.tər/

Rose-water

agua de rosa
Meaning
a flavored water made by steeping rose petals in water, used in cooking and cosmetics
Example
She added a few drops of rose-water to the dessert.
Ella añadió unas gotas de agua de rosa al postre.
C1 verb /riˈɪtəreɪt/

reiterate

reiterar
Meaning
To say something again or repeatedly for emphasis or clarity.
Example
The teacher reiterated the importance of honesty.
El maestro reiteró la importancia de la honestidad.
C1 noun /ˈræp.tʃər/

rapture

éxtasis, rapto
Meaning
A feeling of intense joy, delight, or ecstasy.
Example
She listened to the music in rapture.
Ella escuchaba la música en éxtasis.
C1 noun /ˈrɛspɪt/

respite

respiro
Meaning
A short period of rest or relief from something difficult or unpleasant.
Example
The weekend provided a welcome respite from work.
El fin de semana proporcionó un respiro bienvenido del trabajo.
C1 verb rɪˈplɛn.ɪʃ

replenish

reponer
Meaning
Fill something up again.
Example
Drinking water helps replenish lost fluids in the body.
Beber agua ayuda a reponer los líquidos perdidos en el cuerpo.
C1 verb /ˌriːˈkæl.ɪ.breɪt/

recalibrate

recalibrar, ajustar nuevamente
Meaning
To calibrate again or differently; to adjust or correct something based on new information or changed circumstances.
Example
The company had to recalibrate its strategies to adapt to the market.
La empresa tuvo que recalibrar sus estrategias para adaptarse al mercado.
C1 verb /ˈrɪvɪt/

rivet

asegurar con remache / captar la atención
Meaning
to fasten or secure with a rivet; to hold someone’s attention firmly
Example
The craftsman riveted the metal plates together.
El artesano riveteó las placas de metal juntas.
C1 verb /rɪˈnaʊns/

renounce

renunciar
Meaning
to formally declare rejection of something, such as a claim, belief, or way of life
Example
She renounced her citizenship to move abroad permanently.
Ella renunció a su ciudadanía para mudarse al extranjero permanentemente.
C1 verb /rɪˈkaʊnt/

recount

relatar
Meaning
to narrate or tell the details of an event or experience
Example
She recounted her adventures during the summer trip.
Ella relató sus aventuras durante el viaje de verano.
C1 noun /rɪˈsaɪtər/

reciter

recitador
Meaning
a person who recites or repeats something aloud from memory, especially poetry, prayers, or formal texts
Example
The reciter delivered the poem with clarity and emotion.
El recitador presentó el poema con claridad y emoción.
C1 adjective /ˈræmpənt/

rampant

rampante
Meaning
existing or spreading unchecked, often in an undesirable way
Example
Corruption was rampant in the city administration.
La corrupción estaba rampante en la administración de la ciudad.
C1 noun ˈrez.ɪ.djuːz

residues

restos
Meaning
A small amount of something that remains after the main part has gone or been taken or used.
Example
The burning process leaves no harmful residues.
El proceso de combustión no deja residuos dañinos.
C1 adjective /rɪˈsɜːrdʒənt/

resurgent

resurgente
Meaning
Becoming strong, active, or popular again.
Example
The resurgent economy gave hope to many businesses.
La economía resurgente dio esperanza a muchos negocios.
C1 noun /rɪˈvɒl.vər/

Revolver

revólver
Meaning
a pistol with revolving chambers enabling several shots to be fired without reloading
Example
The detective drew his revolver from its holster.
El detective sacó su revólver de su funda.
C1 adjective /ˈrʌs.tɪk/

Rustic

sencillo y no sofisticado; relacionado con áreas rurales
Meaning
simple and unsophisticated; relating to rural areas
Example
The rustic cottage had wooden beams and a thatched roof.
La cabaña rústica tenía vigas de madera y un techo de paja.
C1 adjective /rɪˈflek.sɪv/

Reflexive

reflexivo; introspectivo
Meaning
directed back on itself; showing deep thought about oneself
Example
She became more reflexive about her behavior after the feedback.
Ella se volvió más reflexiva sobre su comportamiento después de la retroalimentación.
C1 phrase ˈriː.dʒən.əl ˈfɔː.rəm

regional forum

foro regional
Meaning
A meeting or conference where representatives from countries or organizations in a specific geographical area discuss issues of common interest.
Example
The Regional Forum discussed deforestation impacts.
El foro regional discutió los impactos de la deforestación.
C1 verb /rɪˈdʒɛnəreɪt/

regenerate

regenerar
Meaning
to grow or produce again; to renew or restore
Example
The lizard can regenerate its lost tail.
El lagarto puede regenerar su cola perdida.
C1 verb /ˌrɛzəˈrɛkt/

resurrect

resucitar
Meaning
To bring back to life or revive something from the past.
Example
The director decided to resurrect the old play for a new audience.
El director decidió resucitar la obra antigua para una nueva audiencia.
C1 adjective /ˈroʊtəri/

rotary

rotatorio
Meaning
Relating to or characterized by rotation; revolving around an axis.
Example
The machine uses a rotary engine to function efficiently.
La máquina usa un motor rotatorio para funcionar eficientemente.
C1 noun rɪˈdʌndənsi

redundancy

redundancia, exceso
Meaning
The state of being not or no longer needed or useful; superfluousness.
Example
The redundancy in the company's workforce led to many layoffs.
La redundancia en la fuerza laboral de la empresa condujo a muchos despidos.
C1 adjective /rɪˈtɜː.nə.bəl/

Returnable

devolvible
Meaning
able to be returned or given back
Example
The bottle is returnable for a deposit refund.
La botella es devolvible para un reembolso del depósito.
C1 verb /ˌriːˈtʌtʃ/

retouch

retocar
Meaning
To improve or repair a picture, photograph, or image by making small changes.
Example
The photographer retouched the image to remove blemishes.
El fotógrafo retocó la imagen para eliminar manchas.
C1 noun /ˈroʊ.lɪŋ bɔːrd/

Rolling board

mesa de amasar
Meaning
a flat wooden or marble surface used for rolling out dough
Example
She placed the dough on the rolling board.
Ella colocó la masa sobre la mesa de amasar.
C1 adjective /ˈrez.ə.luːt/

Resolute

resuelto; firme; decidido
Meaning
determined; having a firm decision; unwavering
Example
She remained resolute in her decision to pursue her dreams.
Ella permaneció resuelta en su decisión de seguir sus sueños.
C1 verb /rɪˈpiːl/

repeal

derogar
Meaning
To officially cancel or revoke a law or decision.
Example
The government decided to repeal the outdated law.
El gobierno decidió derogar la ley obsoleta.
C1 noun /ˌrɛtrɪˈbjuːʃən/

retribution

venganza, castigo
Meaning
punishment inflicted as vengeance for a wrong or crime
Example
The villagers demanded retribution for the crime committed.
Los aldeanos exigieron venganza por el crimen cometido.
C1 noun /rɪˌdʒuːvəˈneɪʃən/

rejuvenation

rejuvenecimiento
Meaning
The process of restoring something to a former better state, especially referring to renewing soil fertility or revitalizing agricultural land through various restoration practices.
Example
Rejuvenation of soil is necessary for sustainable agriculture.
El rejuvenecimiento del suelo es necesario para la agricultura sostenible.
C1 adjective /ˈræɡ.ɪd/

Ragged

desgarrado; roto; raído
Meaning
torn; tattered; frayed; shabby
Example
The homeless man wore ragged clothes.
El hombre sin hogar llevaba ropa desgarrada.
C1 noun /rɪˈkɒnɪsəns/

reconnaissance

reconocimiento
Meaning
A survey or exploration, especially for military or strategic purposes.
Example
The soldiers conducted a reconnaissance of the enemy camp.
Los soldados realizaron un reconocimiento del campamento enemigo.
C1 adjective /ˈroʊ.ɡɪʃ/

Roguish

travieso; pícaro
Meaning
mischievous; playfully dishonest
Example
His roguish smile suggested he was up to some mischief.
Su sonrisa traviesa sugería que estaba tramando alguna travesura.
C1 verb /ˈræʃənaɪz/

rationlize

racionalizar
Meaning
to justify or explain something with logical reasons, even if not appropriate or true
Example
He tried to rationlize his mistake by blaming the system.
Él trató de racionalizar su error culpando al sistema.
C1 adjective /riˈækʃəˌneri/

reactionary

reaccionario
Meaning
Opposing political or social progress or reform; extremely conservative.
Example
The group took a reactionary stance against the new policies.
El grupo adoptó una postura reaccionaria contra las nuevas políticas.
C1 noun /rɑk sɔlt/

Rock Salt

sal de roca
Meaning
natural salt crystals formed from evaporated ancient seas; unrefined salt
Example
Rock salt is considered healthier than table salt.
La sal de roca se considera más saludable que la sal de mesa.
C1 noun /roʊz ˈber.i/

Rose berry

baya de rosa
Meaning
a type of berry with rose-like characteristics or flavor
Example
The rose berry has a delicate floral taste that reminds me of roses.
La baya de rosa tiene un sabor floral delicado que me recuerda a las rosas.
C1 noun /rɪft/

rift

cisura
Meaning
a serious break in a relationship; a split or crack
Example
A rift developed between the two friends after the argument.
Se desarrolló una cisura entre los dos amigos después de la discusión.
C1 adjective /rɪˈvoʊltɪŋ/

revolting

repugnante
Meaning
extremely unpleasant or disgusting
Example
The smell of the garbage was revolting.
El olor de la basura era repugnante.
C1 noun /ræˈpɔːr/

rapport

relación
Meaning
A close and harmonious relationship in which the people or groups concerned understand each other's feelings or ideas.
Example
The teacher built a strong rapport with her students.
La maestra construyó un fuerte rapport con sus estudiantes.
C1 noun /rɪˈnaʊn/

Renown

renombre; fama
Meaning
the condition of being known or talked about by many people; fame
Example
The scientist achieved international renown for her discoveries.
La científica alcanzó renombre internacional por sus descubrimientos.
C1 adjective /ˈrɛtɪsənt/

reticent

reservado
Meaning
not revealing one's thoughts or feelings readily; reserved
Example
She was reticent about her personal life.
Ella estaba reservada sobre su vida personal.
C1 noun /riˈæktənt/

reactant

reactante
Meaning
A substance that takes part in and undergoes change during a chemical reaction.
Example
Oxygen is a reactant in the process of combustion.
El oxígeno es un reactante en el proceso de combustión.
C1 noun /rɪˈpɛərə/

repairer

reparador
Meaning
a person whose job is to fix damaged or broken things
Example
The repairer fixed the broken washing machine quickly.
El reparador arregló la lavadora rota rápidamente.
C1 verb /ˈrevəl/

revel

regocijarse
Meaning
to enjoy oneself in a lively and noisy way; to take great pleasure in
Example
They revel in their success.
Ellos se regocijan en su éxito.
C1 verb /rɪˈɡrɛs/

regress

retroceder
Meaning
To return to a former or less developed state.
Example
Without proper guidance, the child's progress began to regress.
Sin una guía adecuada, el progreso del niño comenzó a retroceder.
C1 noun /ruːz/

Ruse

artimaña; truco
Meaning
an action intended to deceive someone; a trick or stratagem
Example
The thief used a clever ruse to distract the guard.
El ladrón usó una artimaña astuta para distraer al guardia.
C1 noun /ˈrɛdʒɪmənt/

regiment

regimiento
Meaning
A permanent unit of an army, typically commanded by a colonel and divided into several companies.
Example
The regiment marched proudly through the streets after returning from the mission.
El regimiento marchó orgullosamente por las calles tras regresar de la misión.
C1 noun /ˌrætɪfɪˈkeɪʃən/

Ratification

ratificación
Meaning
the action of signing or giving formal consent to a treaty, contract, or agreement
Example
The treaty required ratification by both countries' parliaments.
El tratado requirió ratificación por los parlamentos de ambos países.
C1 verb /ˈrʌf.l̩/

ruffle

desordenar, molestar
Meaning
to disturb the smoothness of something; to annoy or upset someone
Example
The wind ruffled her hair.
El viento desordenó su cabello.
C1 verb /ˌriːəˈdʒʌst/

readjust

reajustar
Meaning
To change or move something again in order to achieve a better fit, condition, or balance.
Example
He readjusted the chair to make it more comfortable.
Él reajustó la silla para que fuera más cómoda.
C1 verb /ˌrevəˈluːʃənaɪz/

revolutionize

revolucionar
Meaning
Change (something) radically or fundamentally.
Example
Artificial intelligence is set to revolutionize the healthcare sector.
La inteligencia artificial está lista para revolucionar el sector de la salud.
C1 noun /rɪˈpʌlʃən/

Repulsion

repulsión
Meaning
a feeling of intense distaste or disgust; a force under the influence of which objects tend to move away from each other
Example
She felt a strong repulsion towards the idea of eating insects.
Ella sintió una fuerte repulsión hacia la idea de comer insectos.
C1 verb /ˌriːɪnˈsteɪt/

reinstate

reinstaurar
Meaning
To restore someone or something to their former position or condition.
Example
The company decided to reinstate the suspended employee.
La empresa decidió reinstaurar al empleado suspendido.
C1 adjective /ˈraʊzɪŋ/

rousing

emocionante
Meaning
Exciting, inspiring, or stirring.
Example
The speaker delivered a rousing speech that moved the audience.
El orador dio un discurso emocionante que movió a la audiencia.
C1 verb /raʊz/

rouse

despertar
Meaning
To awaken from sleep or to stir into action.
Example
The loud alarm roused him from his deep sleep.
La alarma ruidosa lo despertó de su sueño profundo.
C1 verb /ˈruː.mɪ.neɪt/

ruminate

rumiar, reflexionar profundamente
Meaning
to think deeply about something; to chew cud (for animals)
Example
She sat alone to ruminate on her decision.
Ella se sentó sola a rumiar sobre su decisión.
C1 noun ˈrəʊvə

rover

rover
Meaning
A vehicle for driving over rough terrain, especially one driven by remote control over extraterrestrial terrain.
Example
The rover landed on Mars to begin its exploration.
El rover aterrizó en Marte para comenzar su exploración.
C1 adjective /ˈraɪtfəl/

rightful

legítimo
Meaning
having a legitimate or just claim; proper or lawful
Example
She is the rightful owner of the property.
Ella es la legítima dueña de la propiedad.
C1 verb /rɪˈsiːd/

recede

retroceder
Meaning
To move back or further away from a previous position.
Example
The floodwaters began to recede after the heavy rain stopped.
Las aguas de la inundación comenzaron a retroceder después de que la lluvia intensa paró.
C1 noun /riːk/

Reek

oler mal; dar una fuerte impresión de algo desagradable o no deseado
Meaning
to have a very unpleasant smell; to give a strong impression of something unpleasant or undesirable
Example
The garbage can reeks of rotten food.
El cubo de basura huele a comida podrida.
C1 adjective /ˌrɛprɪˈhɛnsəbl̩/

reprehensible

reprensible
Meaning
Deserving strong criticism or blame.
Example
His dishonest actions were truly reprehensible.
Sus acciones deshonestas fueron realmente reprensibles.
C1 verb /ˌriːɪmˈbɜːrs/

reimburse

reembolsar
Meaning
to pay back money to someone who has spent it or lost it
Example
The company reimbursed him for travel expenses.
La empresa le reembolsó los gastos de viaje.
C1 adjective /rɪˈvɜː.sə.bəl/

Reversible

reversible
Meaning
able to be turned the other way around; able to be undone or changed back
Example
This jacket is reversible and can be worn on both sides.
Esta chaqueta es reversible y se puede usar por ambos lados.
C1 noun /rɪˈpjuːt/

repute

reputación
Meaning
the opinion generally held of someone or something; reputation
Example
He is a scholar of great repute in his field.
Él es un académico de gran reputación en su campo.
C1 verb /ˈræn.də.maɪz/

randomize

aleatorizar
Meaning
To make something happen in a random order or manner.
Example
The software can randomize the order of questions.
El software puede aleatorizar el orden de las preguntas.
C1 noun /ˈrɛ.trəʊ.fɪt.ɪŋ/

retrofitting

la adición de nueva tecnología a sistemas antiguos
Meaning
The addition of new technology or features to older systems.
Example
The building underwent retrofitting to meet new safety standards.
El edificio fue sometido a retrofitting para cumplir con los nuevos estándares de seguridad.
C1 verb /rɒmp/

romp

jugar alegremente
Meaning
to play or move in a lively, carefree, and energetic way
Example
The children romped happily in the garden.
Los niños jugaban felices en el jardín.