rationale
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C1 noun /ˌræʃəˈnæl/

rationale

razón subyacente
Meaning
the underlying reason or explanation for something
Example
The rationale behind his decision was clearly explained.
La razón detrás de su decisión fue claramente explicada.
C1 noun /rɪˈflɛktər/

reflector

reflector
Meaning
A surface or device that reflects light, heat, or sound, often used to direct beams or improve visibility.
Example
The cyclist attached a red reflector to the back of his bike for safety.
El ciclista colocó un reflector rojo en la parte trasera de su bicicleta para mayor seguridad.
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 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 verb /ˌriːhəˈbɪlɪteɪt/

rehabilitate

rehabilitar
Meaning
to restore someone to health, normal life, or a good condition after illness, injury, or imprisonment
Example
The clinic helps rehabilitate injured athletes.
La clínica ayuda a rehabilitar a los atletas lesionados.
C1 verb /rɪˈdiːm/

redeem

redimir
Meaning
to compensate for faults or mistakes; to exchange something for value
Example
He managed to redeem his reputation after the scandal.
Él logró redimir su reputación después del escándalo.
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 /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 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 /ˈriːbeɪt/

rebate

descuento/reembolso
Meaning
a partial refund given to someone who has paid too much money for something
Example
The store offered a rebate on bulk purchases.
La tienda ofreció un descuento en compras al por mayor.
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 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 verb /riːˈkæptʃər/

recapture

recapturar
Meaning
To take back or regain possession of something.
Example
The army managed to recapture the lost territory.
El ejército logró recapturar el territorio perdido.
C1 adjective rɪsk-ədˈʤɛstɪd

risk-adjusted

ajustado al riesgo
Meaning
Modified or calibrated to account for risk factors in investment returns.
Example
Risk-adjusted returns consider both potential profit and loss.
Las rentas ajustadas al riesgo consideran tanto el beneficio potencial como la pérdida.
C1 adjective /ˌruː.dɪˈmen.tər.i/

Rudimentary

básico; elemental; subdesarrollado; en la etapa más temprana del desarrollo
Meaning
basic; elementary; undeveloped; in the earliest stage of development
Example
She has only rudimentary knowledge of French.
Ella solo tiene conocimiento rudimentario del francés.
C1 noun /ˈruːdɪmənt/

rudiment

rudimentos
Meaning
A basic principle, element, or fundamental part of something.
Example
He learned the rudiments of music before joining the band.
Él aprendió los rudimentos de la música antes de unirse a la banda.
C1 verb /ræsp/

rasp

hablar de forma áspera o raspar con un sonido grueso
Meaning
to speak in a rough, harsh voice or to scrape with a coarse sound
Example
He rasped out a warning before collapsing.
él raspó una advertencia antes de desmayarse.
C1 verb /ˈrɪdɪkjuːl/

ridicule

ridiculizar
Meaning
To make fun of someone or something in a cruel or dismissive way.
Example
He was ridiculed for his strange ideas.
Fue ridiculizado por sus ideas extrañas.
C1 noun /ˈrɛɡjəleɪtər/

regulator

regulador
Meaning
a person or device that controls or maintains the operation of a system
Example
The government appointed a new regulator for the financial sector.
El gobierno nombró un nuevo regulador para el sector financiero.
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 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 verb /ˈrævɪdʒ/

ravage

devastar
Meaning
to cause severe and extensive damage or destruction
Example
The hurricane ravaged the coastal villages.
El huracán devastó las aldeas costeras.
C1 noun /rɪˈpreʃən/

Repression

represión
Meaning
the action of subduing someone or something by force; the restraint, prevention, or inhibition of a feeling, impulse, etc.
Example
The government's repression of free speech sparked widespread protests.
La represión del gobierno contra la libertad de expresión provocó protestas generalizadas.
C1 adjective /rɪˈtaɪərɪŋ/

retiring

tímido
Meaning
Shy and reserved; avoiding social contact.
Example
She is a quiet, retiring woman who avoids attention.
Ella es una mujer tranquila y tímida que evita la atención.
C1 noun /ˈriːpər/

reaper

una persona o máquina que corta y recoge cultivos
Meaning
a person or machine that cuts and gathers crops
Example
The reaper moved slowly through the golden fields.
El ríper se movió lentamente a través de los campos dorados.
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 noun /ˈrɑːstər/

roster

lista
Meaning
A list or plan showing people’s duties or times when they are scheduled.
Example
The manager updated the staff roster for next week.
El gerente actualizó la lista del personal para la próxima semana.
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 /riˈæk.tɪv/

Reactive

reactivo; químicamente activo
Meaning
responding to situations rather than initiating them; chemically active
Example
The company took a reactive approach to customer complaints.
La empresa adoptó un enfoque reactivo hacia las quejas de los clientes.
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/verb /rɪˈlæps/

relapse

recaída
Meaning
to return to a worse condition, especially after improvement; a deterioration after recovery
Example
After months of progress, he suffered a relapse.
Después de meses de progreso, sufrió una recaída.
C1 verb /rɪˈtælieɪt/

retaliate

vengar
Meaning
to make an attack in return for a similar attack
Example
The army retaliated after the enemy attack.
El ejército se vengó después del ataque enemigo.
C1 adjective /ˈruːfəl/

rueful

lamentoso
Meaning
Expressing sorrow, regret, or pity.
Example
He gave a rueful smile after losing the match.
Él dio una sonrisa lamentosa después de perder el partido.
C1 noun /ˈraɪtʃəsnəs/

righteousness

justicia
Meaning
the quality of being morally right or justifiable
Example
His life was dedicated to righteousness and truth.
Su vida estuvo dedicada a la justicia y la verdad.
C1 noun /ˈrɒndɪvuː/

rendezvous

encuentro
Meaning
a meeting or appointment at an agreed time and place
Example
They arranged a secret rendezvous at the café.
Arreglaron un encuentro secreto en el café.
C1 noun rɪˈfaɪnmənt

refinement

refinamiento
Meaning
The process of removing impurities or unwanted elements from a substance.
Example
His manners showed a refinement that made him stand out in any crowd.
Sus modales mostraron un refinamiento que lo hizo destacar en cualquier multitud.
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 noun /ˈrɛzɪn/

resin

resina
Meaning
a sticky organic substance, usually secreted by plants, often used in varnishes or plastics
Example
The craftsman used natural resin to make the sculpture shine.
El artesano usó resina natural para hacer que la escultura brillara.
C1 noun /rɔ ˈtɜrmərɪk/

Raw Turmeric

cúrcuma cruda
Meaning
fresh unprocessed root of the turmeric plant used as a spice and medicine
Example
Grate raw turmeric into the curry for authentic flavor.
Ralla la cúrcuma cruda en el curry para un sabor auténtico.
C1 verb /rɪˈdʒuː.vɪ.neɪt/

rejuvenate

rejuvenecer
Meaning
To make or feel young, healthy, or energetic again.
Example
A vacation can rejuvenate the mind and body.
unas vacaciones pueden rejuvenecer la mente y el cuerpo.
C1 noun /rɪˈpen.təns/

Repentance

arrepentimiento
Meaning
the action of repenting; sincere regret or remorse
Example
His genuine repentance moved everyone in the courtroom.
Su arrepentimiento genuino conmovió a todos en la sala del tribunal.
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 verb /raɪl/

rile

irritar
Meaning
to irritate or annoy someone
Example
His careless comments really riled her.
Sus comentarios descuidados realmente la irritaron.
C1 noun /rɛnˈdɪʃən/

rendition

interpretación
Meaning
a performance or interpretation of a piece of art, music, or text
Example
The singer gave a moving rendition of the classic song.
El cantante dio una emotiva interpretación de la canción clásica.
C1 noun /rɪˈdʒɔɪsɪŋ/

rejoicing

alegría
Meaning
The action of showing great joy or happiness
Example
There was much rejoicing after the victory.
Hubo mucha alegría después de la victoria.
C1 adjective /ˈreɪdiənt/

radiant

radiante
Meaning
Shining brightly; expressing great happiness.
Example
She looked radiant in her wedding dress.
Ella se veía radiante con su vestido de novia.
C1 adjective /ˌret.rəˈspek.tɪv/

Retrospective

retrospectivo
Meaning
looking back on or dealing with past events or situations
Example
The museum held a retrospective exhibition of the artist's work.
El museo organizó una exposición retrospectiva de la obra del artista.
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 adjective /ˈrænsɪd/

rancid

rancio
Meaning
having a bad taste or smell due to being old or spoiled (especially fats or oils)
Example
The butter had gone rancid after being left out too long.
La mantequilla se puso rancia después de estar demasiado tiempo fuera.
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 /rɪˈtrækʃən/

retraction

revocación, retractación
Meaning
the act of taking back a statement, promise, or belief
Example
The newspaper issued a retraction of the false report.
El periódico emitió una retractación del informe falso.
C1 verb /rɪˈvɪər/

revere

reverenciar
Meaning
To deeply respect or admire someone or something.
Example
The students revered their teacher for his wisdom.
Los estudiantes veneraron a su maestro por su sabiduría.
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 verb /ˌriːɪnˈtɪɡreɪt/

reintegrate

reintegrar
Meaning
To bring someone or something back into a group or society after being separated.
Example
The program helps prisoners reintegrate into society.
El programa ayuda a los prisioneros a reintegrarse en la sociedad.
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 adjective /rɪˈpliːt/

replete

repleto
Meaning
Filled or well-supplied with something; abundantly full.
Example
The book is replete with fascinating historical details.
El libro está repleto de fascinantes detalles históricos.
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 /rɪˈnɛɡ/

renege

romper un compromiso
Meaning
to go back on a promise, agreement, or commitment
Example
The company reneged on its promise to increase wages.
La empresa rompió su promesa de aumentar los salarios.
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 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 /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 /rɪˈliːf treɪn/

Relief Train

tren de alivio
Meaning
a train that carries emergency supplies and aid to disaster-affected areas
Example
The relief train arrived with food and medical supplies for the flood victims.
el tren de alivio llegó con alimentos y suministros médicos para las víctimas de la inundación.
C1 noun/verb /reɪn/

rein

rienda / control
Meaning
A strap used to control a horse; to control or guide something.
Example
The rider pulled the rein to stop the horse.
El jinete tiró de las riendas para detener el caballo.
C1 verb /rɪˈzaʊnd/

resound

resonar
Meaning
To fill a place with sound; to be celebrated or talked about widely.
Example
The hall resounded with applause.
El salón resonó con aplausos.
C1 noun /ˈrɛz.ə.nəns/

resonance

resonancia
Meaning
A deep, reverberating sound or a quality of evoking response.
Example
His speech had a deep resonance with the audience.
Su discurso tuvo una profunda resonancia con la audiencia.
C1 adjective /raɪf/

rife

generalizado
Meaning
widespread or common, often in a negative sense
Example
Corruption was rife in the old government system.
La corrupción era generalizada en el antiguo sistema gubernamental.
C1 noun /ˌriː.pəˈkʌʃ.ən/

repercussion

repercusión
Meaning
An unintended consequence occurring some time after an event or action.
Example
The economic crisis had severe repercussions on global trade.
La crisis económica tuvo severas repercusiones en el comercio global.
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 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 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 adjective /ˈrɔːkəs/

raucous

ruidoso, estridente
Meaning
loud, harsh, and unpleasant sound or behavior
Example
The crowd became raucous after the team scored.
La multitud se volvió ruidosa después de que el equipo anotó.
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 /rɪˈmoʊtɪd/

remoted

remotado
Meaning
placed at a distance; made remote
Example
The system was remoted to a secure location.
El sistema fue remotado a una ubicación segura.
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 noun rɪˌdʒɛnəˈreɪʃən

regeneration

regeneración
Meaning
Renewal, growth and development of cells, tissues or energy
Example
Proper rest allows muscle regeneration after exercise.
El descanso adecuado permite la regeneración muscular después del ejercicio.
C1 noun ˌrev.əˈluː.ʃən.ər.i ɪˈnɪʃ.ə.tɪv

revolutionary initiative

iniciativa revolucionaria
Meaning
A groundbreaking action or plan that brings about significant change or transformation.
Example
The revolutionary initiative promotes sustainable energy.
La iniciativa revolucionaria promueve la energía sostenible.
C1 noun /rɪˈdʒɪdəti/

Rigidity

rigidez
Meaning
inability to bend or be forced out of shape; unwillingness to change or compromise
Example
The rigidity of the old system prevented any innovation.
La rigidez del antiguo sistema impidió cualquier innovación.
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 adjective, noun /rɪˈsiːvəbl/

receivable

cobrable
Meaning
Money that is owed to a company and is expected to be paid.
Example
The company's receivables increased significantly this quarter.
Los cobros de la empresa aumentaron significativamente este trimestre.
C1 noun ˈrɔɪəl ˈbɛŋɡəl ˈtaɪɡər

Royal Bengal Tiger

Tigre Real de Bengala
Meaning
A subspecies of tiger found primarily in India and Bangladesh, known for its distinctive orange coat with black stripes.
Example
The Royal Bengal Tiger is an iconic species of the Sundarbans.
El Tigre Real de Bengala es una especie icónica de los Sundarbans.
C1 verb /rɪˈsʌsɪteɪt/

resuscitate

resucitar
Meaning
to revive someone from unconsciousness or apparent death
Example
The doctors tried to resuscitate the patient after the heart attack.
Los doctores intentaron resucitar al paciente después del ataque al corazón.
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 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 verb /ˌriː.ɪˈstæblɪʃ/

reestablish

restablecer
Meaning
to set up or restore something again after it has been disrupted
Example
The government worked hard to reestablish peace in the region.
El gobierno trabajó arduamente para restablecer la paz en la región.
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 adverb /ˈrɪdʒɪdli/

Rigidly

estrictamente; de manera inflexible
Meaning
in a strict, inflexible manner; without compromise
Example
The rules are rigidly enforced in this institution.
Las reglas son estrictamente aplicadas en esta institución.
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 /rɪˈdʒɛn.ə.rə.tɪv/

regenerative

regenerativo
Meaning
Able to restore or renew damaged environments, soil, or resources.
Example
Regenerative farming improves soil health and biodiversity.
La agricultura regenerativa mejora la salud del suelo y la biodiversidad.
C1 noun/verb /rɪˈpriːv/

reprieve

retraso temporal / perdón de castigo
Meaning
A temporary relief or delay from something unpleasant; to postpone or cancel punishment.
Example
The prisoner was granted a last-minute reprieve from execution.
El prisionero recibió un perdón de último minuto de la ejecución.
C1 noun ˌræʃ.ən.əl.ɪˈzeɪ.ʃən

rationalization

racionalización
Meaning
The practice of finding reasons for behavior or actions that are not the real reasons.
Example
His rationalization of the mistake was not convincing.
Su racionalización del error no fue convincente.
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 verb /rɪˈkuːpəreɪt/

recuperate

recuperarse
Meaning
to recover from illness or regain strength
Example
She went to the countryside to recuperate after surgery.
Ella fue al campo a recuperarse después de la cirugía.
C1 noun /ˈrep.lɪ.kə/

Replica

réplica
Meaning
an exact copy or model of something, especially one on a smaller scale
Example
The museum displayed a perfect replica of the ancient statue.
El museo exhibió una réplica perfecta de la estatua antigua.
C1 adjective /ˈræspi/

raspy

áspero
Meaning
having a harsh, rough, or grating sound
Example
His raspy voice revealed years of smoking.
Su voz áspera reveló años de fumar.
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 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 noun /ˌrɛs.ɪˈprɒs.ɪ.ti/

reciprocity

la práctica de intercambiar cosas con otros para beneficio mutuo
Meaning
The practice of exchanging things with others for mutual benefit.
Example
Business relationships thrive on reciprocity.
Las relaciones comerciales prosperan gracias a la reciprocidad.
C1 noun /rɪˈkluːs/

recluse

recluso
Meaning
A person who lives alone and avoids other people; someone who lives a solitary life.
Example
The old man lived as a recluse in the mountains.
El anciano vivió como un recluso en las montañas.
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 adjective /rɪˈmiːdiəl/

Remedial

correctivo; remedial; curativo;
Meaning
intended as a remedy; corrective; providing a cure;
Example
The students need remedial classes to improve their math skills.
Los estudiantes necesitan clases remediales para mejorar sus habilidades en matemáticas.
C1 verb /rɪˈmjuːnəreɪt/

remunerate

remunerar
Meaning
To pay someone for services or work done.
Example
The company will remunerate employees fairly for their overtime.
La empresa remunerará a los empleados de manera justa por su tiempo extra.
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 verb /ˈrætɪfaɪ/

ratify

ratificar
Meaning
to approve or confirm something officially, usually by law or formal consent
Example
The government ratified the trade agreement.
El gobierno ratificó el acuerdo comercial.
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 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 noun /ˈrɛnɪˌɡeɪd/

renegade

renegado
Meaning
a person who deserts or betrays an organization, country, or principles
Example
He was labeled a renegade after leaving the party and criticizing its policies.
Fue etiquetado como un renegado después de dejar el partido y criticar sus políticas.
C1 noun /ˌrɛkwɪˈzɪʃən/

requisition

requisición
Meaning
An official order laying claim to the use of property or materials; a formal demand or request.
Example
The manager submitted a requisition for new office supplies.
El gerente presentó una requisición para nuevos suministros de oficina.
C1 verb /ˌriːˈkæst/

recast

recast
Meaning
To present or change something in a different form or style.
Example
The director decided to recast the role with a younger actor.
El director decidió rehacer el papel con un actor más joven.
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 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 /ˈrʌfiən/

Ruffian

bribón; persona violenta;
Meaning
a violent person, especially one involved in crime; a brutal or lawless person
Example
The ruffian threatened the shopkeeper for money.
El bribón amenazó al tendero por dinero.
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 adjective /ˈræb.ɪd/

rabid

rabioso
Meaning
Having extreme or fanatical support for something; relating to or suffering from rabies.
Example
He was a rabid fan of the football team.
Era un fan rabioso del equipo de fútbol.
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 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 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 verb /riːl/

reel

tropezar / enrollar
Meaning
to lose balance and stagger; to wind or spin something onto a reel
Example
He reeled backward after being punched.
Se tropezó hacia atrás después de ser golpeado.
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 /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 /rɪˈsɪprəˌkeɪt/

reciprocate

reciprocidad
Meaning
To respond to an action or gesture by making a corresponding one.
Example
She smiled at him, and he reciprocated with a warm hug.
Ella sonrió, y él reciprocó con un abrazo cálido.
C1 noun rɪˌkuːpərˈeɪʃən

recuperation

recuperación
Meaning
The process of gradually recovering from illness or fatigue
Example
Rest is essential for recuperation after illness.
El descanso es esencial para la recuperación después de una enfermedad.