| Term | Definition |
| redolent | adj. fragrant; odorous; suggestive of an odor |
| redoubtable | adj. formidable; causing fear |
| redress | n. remedy; compensation |
| redundant | adj. superfluous; repetitious; excessively |
| reek | v. emit ( odor ) |
| refraction | n. bending of a ray of light |
| refractory | adj. stubborn; unmanageable |
| refrain | v. abstain from; resist |
| refurbish | v. renovate; make bright by polishing |
| refute | v. disprove |
| regal | adj. royal |
| regale | v. entertain |
| regime | n. method or system of government |
| regimen | n. prescribed diet and habits |
| rehabilitate | v. restore to proper condition |
| reimburse | v. repay |
| reiterate | v. repeat |
| rejoinder | n. retort; comeback; reply |
| rejuvenate | v. make young again |
| relegate | v. banish to an inferior position; delegate; assign |
| relent | v. give in |
| relevant | adj. pertinent; referring to the case in hand |
| relic | n. surviving remnant; memento |
| relinquish | v. give up something with reluctance; yield |
| relish | v. savor; enjoy |
| remedial | adj. curative; corrective |
| reminiscence | n. recollection |
| remiss | adj. negligent |
| remission | n. temporary moderation of disease symptoms; cancellation of a debt; forgiveness of disease symptoms; cancellation of a debt; forgiveness or pardon |
| remnant | n. remainder |
| remonstrance | n. protest; objection |
| remorse | n. guilt; self- reproach |
| remunerative | adj. compensating; rewarding |
| rend | v. split; tear apart |
| render | v. deliver; provide; represent |
| rendition | n. translation; artistic interpretation of a song |
| renegade | n. deserter; traitor |
| renege | v. deny; go back on |
| renounce | v. abandon; disown; repudiate |
| renovate | v. restore to good condition; renew |
| renown | n. fame |
| rent | n. rip; split |
| reparable | adj. capable of being repaired |
| reparation | n. amends; compensation |
| repast | n. meal; feast; banquet |
| repeal | v. revoke; annul |
| repel | v. drive away; disgust |
| repellent | adj. driving away; unattractive |
| repercussion | n. rebound; reverberation; reaction |
| repertoire | n. list of works of music, drama, etc., a performer is prepared to present |
| replenish | v. fill up again |
| replete | adj. filled to the brim or to the point of being stuffed; abundantly supplied |
| replica | n. copy |
| replicate | v. reproduce; duplicate |
| repository | n. storehouse |
| reprehensible | adj. deserving blame |
| repress | v. restrain; crush; oppress |
| reprieve | n. temporary stay |
| reprimand | v. reprove severely; rebuke |
| reprisal | n. retaliation |
| reprise | n. musical repetition; repeat performance; recurrent action |
| reproach | v. express disapproval or disappointment |
| reprobate | n. person hardened in sin, devoid of a sense of decency |
| reprove | v. censure; rebuke |
| repudiate | v. disown; disavow |
| repugnant | adj. loathsome; hateful |
| repulsion | n. distaste; act of driving back |
| reputable | adj. respectable |
| reputed | adj. supposed |
| requiem | n. mass for the dead; dirge |
| requisite | n. necessary requirement |
| requite | v. repay; revenge |
| rescind | v. cancel |