R rancor Bitter anger or unfriendly feelings Can we settle this disagreement without rancor? random Happening, done, or chosen by chance rather than according to a plan random checks/tests/attacks rapacious Having or showing a strong wish to take things for yourself, usually using unfair methods or force a rapacious landlord/businessman rarified To become less solid or dense; to make something do this The primordial cosmic soup is full of sound waves compressing and rarefying matter and light. recapitulate To repeat the main points of an explanation or description The passage recapitulates the version he offers in his prologue. rectitude honesty and correct moral behaviour An austere man of unquestioned moral rectitude refute To say or prove that a person, statement, opinion, etc. is wrong or false: to refute a person/theory/argument regale To entertain someone with stories or jokes Grandpa regaled us with tales of his small-town childhood. remiss Careless and not doing a duty well enough You have been remiss in your duties. remunerate To pay someone for work or services He is poorly remunerated for all the work he does. renounce To say publicly that you no longer own, support, believe in, or have a connection with something repast A meal Yet that simple repast was fit for a king. replete Full, especially with food After two helpings of dessert, Sergio was at last replete. reproach To criticise or find fault with someone He’s still reproaching himself for the accident. reprove To tell someone that you disapprove of their bad or silly behaviour The teacher gently reproved the boys for not paying attention. respite A pause or rest from something difficult or unpleasant: We worked for hours without respite. restive Unwilling to be controlled or be patient The audience was becoming restive as they waited for the performance to begin. reticent Unwilling to speak about your thoughts or feelings He is very reticent about his past. revel To dance, drink, sing, etc. at a party or in public, especially in a noisy way reverie (a state of having) pleasant dream-like thoughts He was lost in reverie until he suddenly heard someone behind him. revile To criticise someone strongly, or say unpleasant things to or about someone: ribald Ribald language refers to sex in a rude but humorous way He entertained us with ribald stories. righteousness Morally correct He was regarded as a righteous and holy man. risible Not effective or useful She's been making risible attempts to learn the trumpet. rococo relating to the very decorated and detailed style in buildings, art, and furniture that was popular in Europe in the 18th century roister To make a bad or unpleasant situation better Foreign aid is badly needed to ameliorate the effects of the drought rotund (especially of a person) round or rounded in shape ruminate To think carefully and for a long period about something: She ruminated for weeks about whether to tell him or not. animosity A strong dislike or unfriendly feeling I have no animosity toward him whatsoever.