rift
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Español FR Francés DE Alemán RU Ruso ZH Chino JA Japonés
All Vocabulary Cards All Vocabularies
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 noun /rʌk/

Ruck

empujón; multitud desordenada
Meaning
a situation where a crowd of people are pushing against each other; a disorderly crowd
Example
There was a ruck at the football match.
Hubo un empujón en el partido de fútbol.
C1 noun /rəˈviːn/

ravine

desfiladero
Meaning
A deep, narrow valley with steep sides.
Example
The river carved a deep ravine through the mountains.
El río formó un profundo desfiladero a través de las montañas.
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 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 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 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 /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 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 /ˈrævənəs/

ravenous

hambriento
Meaning
Extremely hungry; famished.
Example
After the long hike, she was ravenous and ate quickly.
Después de la larga caminata, ella estaba famélica y comió rápidamente.
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 /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 noun /rɪˈmɛmbrəns/

remembrance

recuerdo
Meaning
the act of remembering or honoring someone or something
Example
A service was held in remembrance of the fallen soldiers.
Se celebró un servicio en recuerdo de los soldados caídos.
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.
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 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 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 /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 /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 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 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 /ˈreɪ.biːz/

rabies

rabia
Meaning
A viral disease that causes inflammation of the brain in humans and other mammals, usually transmitted through animal bites.
Example
The dog was vaccinated against rabies.
El perro fue vacunado contra la rabia.
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 noun /rɪˈfaɪnəri/

refinery

refinería
Meaning
an industrial facility where raw materials are processed and purified
Example
The oil refinery processes thousands of barrels daily.
La refinería de petróleo procesa miles de barriles a diario.
C1 noun /ˈræftər/

rafter

viga
Meaning
One of the sloping beams that supports a roof.
Example
The old barn’s rafters were exposed.
Las vigas del viejo granero estaban expuestas.
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 noun /ˌrɛmɪˈnɪsəns/

reminiscence

rememoración
Meaning
a story or memory about past events
Example
He shared a reminiscence of his childhood days in the village.
Él compartió una rememoración de sus días de infancia en el pueblo.
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 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 /ˌrɛprɪˈhɛnsəbl̩/

reprehensible

reprensible
Meaning
Deserving strong criticism or blame.
Example
His dishonest actions were truly reprehensible.
Sus acciones deshonestas fueron realmente reprensibles.
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 /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 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 adjective ˈriːdʒən spəˈsɪfɪk

region-specific

específico de la región
Meaning
Relating to or characteristic of a particular region or area.
Example
Climate change impacts are region-specific.
Los impactos del cambio climático son específicos de la región.
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 /ˌriːhəˌbɪlɪˈteɪʃən/

rehabilitation

felicidad
Meaning
the process of restoring someone or something to health or normal life through training or therapy
Example
After the accident, he went through months of rehabilitation to walk again.
Ella no pudo esconder su felicidad cuando recibió el premio.
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 verb /rɪˈpjuː.di.eɪt/

repudiate

repudiar
Meaning
to refuse to accept, recognize, or support something
Example
He repudiated the claim that he was involved in the scandal.
Él repudió la afirmación de que estuvo involucrado en el escándalo.
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 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 /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 /rɪˈtriː.vəl/

retrieval

recuperación
Meaning
The process of getting something back, especially from storage or memory.
Example
The brain's retrieval system helps recall past experiences.
El sistema de recuperación del cerebro ayuda a recordar experiencias pasadas.
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 /rɪˈtɔːrt/

retort

respuesta rápida
Meaning
To reply quickly or sharply, often in a witty or angry manner.
Example
He quickly retorted that he was not to blame.
Él rápidamente respondió que no era su culpa.
C1 verb /ˈrɛlɪɡeɪt/

relegate

relegar
Meaning
to assign to a lower rank, position, or category
Example
The manager decided to relegate the player to the bench.
El gerente decidió relegar al jugador al banco.
C1 verb /ˈrɛplɪkeɪt/

replicate

replicar
Meaning
to copy, reproduce, or duplicate something exactly
Example
The scientist tried to replicate the experiment for accuracy.
El científico intentó replicar el experimento para mayor precisión.
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/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 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 /ˈræʃən/

ration

ración
Meaning
a fixed amount of something, especially food, officially allowed to each person
Example
During the war, each family received a weekly ration of rice.
Durante la guerra, cada familia recibía una ración semanal de arroz.
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 /rɪɡ/

rig

amañar
Meaning
to manipulate or control something dishonestly; to set up equipment
Example
The election was rigged by corrupt officials.
Las elecciones fueron amañadas por funcionarios corruptos.
C1 noun /ˈruː.bi/

Ruby

rubí
Meaning
a precious red gemstone; a deep red variety of corundum
Example
The ruby ring was her most treasured possession.
El anillo de rubí era su posesión más preciada.
C1 noun /ˈrɛtrəsˌpɛkt/

retrospect

retroceso
Meaning
the act of looking back on or reviewing past events
Example
In retrospect, the decision seemed unwise.
En retrospectiva, la decisión parecía imprudente.
C1 verb /rɪˈmɪt/

remit

enviar dinero / perdonar
Meaning
To send money in payment or as a gift; to cancel or refrain from exacting a debt or punishment.
Example
He promised to remit the payment by the end of the week.
Él prometió remitir el pago antes del final de la semana.
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 /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 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 adjective /rɪˈvenʒ.fəl/

Revengeful

vengativo
Meaning
seeking or desiring revenge; vindictive
Example
He became revengeful after being betrayed by his friend.
Se volvió vengativo después de ser traicionado por su amigo.
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 /ˈrɛtɪsəns/

reticence

reticencia
Meaning
the quality of being reserved or unwilling to speak freely
Example
His reticence made it difficult to know what he was thinking.
Su reticencia hizo que fuera difícil saber lo que estaba pensando.
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 /ˈredʒ.ɪ.mən/

regimen

régimen de tratamiento, dieta o estilo de vida prescrito para la promoción o restauración de la salud
Meaning
A prescribed course of medical treatment, way of life, or diet for the promotion or restoration of health.
Example
A strict exercise regimen improves overall fitness.
Un estricto régimen de ejercicios mejora el estado físico general.
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 /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 /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 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 noun /rʌsk/

Rusk

bizcocho seco; pan tostado
Meaning
a hard, dry biscuit or twice-baked bread; a type of crisp, sweet biscuit
Example
The baby enjoyed eating the soft rusk with milk.
El bebé disfrutó comer el rusk suave con leche.
C1 noun /ˌrɛstɪˈtjuːʃən/

restitution

restitución
Meaning
The act of restoring something to its rightful owner or compensating for loss
Example
The court ordered restitution to the victims of the fraud.
El tribunal ordenó la restitución a las víctimas del fraude.
C1 adjective /ˈriː.fleks/

Reflex

reflejo
Meaning
an action performed without conscious thought; relating to reflection
Example
The doctor tested her reflex response by tapping her knee.
El médico probó su respuesta reflejo golpeando su rodilla.
C1 noun /rɪˈsɜː.dʒəns/

resurgence

resurgimiento
Meaning
An increase or revival after a period of little activity, popularity, or occurrence.
Example
The city saw a resurgence in tourism after the pandemic.
La ciudad vio un resurgimiento en el turismo después de la pandemia.
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 verb /ˈræn.sæk/

ransack

saquear
Meaning
to search a place roughly and steal or damage things
Example
Burglars ransacked the house while the family was away.
Los ladrones saquearon la casa mientras la familia estaba fuera.
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 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 /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 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 noun rɪˈdɛmpʃən

redemption

redención
Meaning
The action of saving or being saved from sin, error, or evil.
Example
The story highlights the theme of redemption.
La historia destaca el tema de la redención.
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 noun ˌriːˈstrʌk.tʃər.ɪŋ

restructuring

reestructuración
Meaning
The action of organizing something differently.
Example
The company underwent restructuring to improve efficiency.
La compañía pasó por un proceso de reestructuración para mejorar la eficiencia.
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 /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 verb /ˌriːəˈfɜːrm/

reaffirm

reafirmar
Meaning
To state again strongly; to confirm or strengthen a statement or belief.
Example
The president reaffirmed his commitment to education reform.
El presidente reafirmó su compromiso con la reforma educativa.
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 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 verb /rɪˈtrækt/

retract

retirar
Meaning
to withdraw a statement, promise, or part of the body; to pull back
Example
The company retracted its earlier statement after realizing the error.
La empresa retractó su declaración anterior después de darse cuenta del error.
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 /rɪˈfɜːrər/

referrer

referidor
Meaning
a person who directs someone to another person or service
Example
The referrer earned a bonus for recommending a new client.
El referidor ganó un bono por recomendar un nuevo cliente.
C1 noun rɪˈdʒɛn.ər.ə.tɪv ˈfɑːr.mɪŋ

regenerative farming

agricultura regenerativa
Meaning
Agricultural practices that improve soil health and biodiversity.
Example
Regenerative farming improves soil fertility and biodiversity.
La agricultura regenerativa mejora la fertilidad del suelo y la biodiversidad.
C1 noun /ˈruːbrɪk/

rubric

rubrica / directriz
Meaning
A set of instructions, rules, or a heading in a document, often used for grading criteria.
Example
The teacher provided a grading rubric for the assignment.
El maestro proporcionó una rúbrica de calificación para la tarea.
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 /rɪˈper.ə.bəl/

Repairable

reparable
Meaning
able to be fixed or mended; capable of being repaired
Example
The broken phone is repairable with the right parts.
El teléfono roto se puede reparar con las piezas adecuadas.
C1 noun /rɪˌmjuː.nəˈreɪ.ʃən/

Remuneration

remuneración; compensación; recompensa
Meaning
money paid for work or services; compensation or reward
Example
The job offers excellent remuneration and benefits.
El trabajo ofrece una excelente remuneración y beneficios.
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 noun/verb /ˈræfəl/

raffle

venta de boletos de lotería
Meaning
A means of raising money by selling numbered tickets, one or more of which are drawn at random for a prize; to sell something in such a lottery.
Example
The charity decided to raffle a bicycle to raise funds.
La caridad decidió rifar una bicicleta para recaudar fondos.
C1 verb /rɪˈbjuːk/

rebuke

reprender
Meaning
to criticize or scold sharply; to express disapproval
Example
The teacher had to rebuke the student for cheating.
El maestro tuvo que reprender al estudiante por hacer trampa.
C1 noun /rɪˌsɛptɪˈvɪti/

receptivity

receptividad
Meaning
The ability or willingness to receive something, especially signals or stimuli.
Example
Her receptivity to new ideas helped improve the project.
Su receptividad a nuevas ideas ayudó a mejorar el proyecto.
C1 noun /ˈrʌmpəs/

Rumpus

alboroto; ruido; escándalo
Meaning
a noisy disturbance; an uproar or commotion
Example
The children caused quite a rumpus in the playground.
Los niños causaron bastante alboroto en el patio de recreo.
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 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 /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 /raɪl/

rile

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

retainer

anticipo / retenedor
Meaning
a fee paid in advance to secure someone's services, or a device that holds something in place
Example
The lawyer asked for a retainer before taking the case.
El abogado pidió un anticipo antes de tomar el caso.
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 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 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 /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 adjective /ˈrɛzənənt/

resonant

resonante
Meaning
Deep, clear, and continuing to sound or echo.
Example
The resonant voice of the speaker filled the hall.
La voz resonante del orador llenó la sala.
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 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 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 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 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 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 noun /ˈrɛvərəns/

reverence

reverencia
Meaning
deep respect for someone or something
Example
The students showed reverence to their teacher.
Los estudiantes mostraron reverencia hacia su maestro.
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.