- rein: A step attached to the bit for controlling a horse or other draft-animal.
- reinstate: To restore to a former state, station, or authority.
- reiterate: To say or do again and again.
- rejoin: To reunite after separation.
- rejuvenate: To restore to youth.
- rejuvenescence: A renewal of youth.
- relapse: To suffer a return of a disease after partial recovery.
- relegate: To send off or consign, as to an obscure position or remote destination.
- relent: To yield.
- relevant: Bearing upon the matter in hand.
- reliance: Dependence.
- reliant: Having confidence.
- relinquish: To give up using or having.
- reliquary: A casket, coffer, or repository in which relics are kept.
- relish: To like the taste or savor of.
- reluctance: Unwillingness.
- reluctant: Unwilling.
- remembrance: Recollection.
- reminiscence: The calling to mind of incidents within the range of personal knowledge or experience.
- reminiscent: Pertaining to the recollection of matters of personal interest.
- remiss: Negligent.
- remission: Temporary diminution of a disease.
- remodel: Reconstruct.
- remonstrance: Reproof.
- remonstrant: Having the character of a reproof.
- remonstrate: To present a verbal or written protest to those who have power to right or prevent a wrong.
- remunerate: To pay or pay for.
- remuneration: Compensation.
- Renaissance: The revival of letters, and then of art, which marks the transition from medieval to modern time.
- rendezvous: A prearranged place of meeting.
- rendition: Interpretation.
- renovate: To restore after deterioration, as a building.
- renunciation: An explicit disclaimer of a right or privilege.
- reorganize: To change to a more satisfactory form of organization.
- reparable: Capable of repair.
- reparation: The act of making amends, as for an injury, loss, or wrong.
- repartee: A ready, witty, or apt reply.
- repeal: To render of no further effect.
- repel: To force or keep back in a manner, physically or mentally.
- repellent: Having power to force back in a manner, physically or mentally.
- repentance: Sorrow for something done or left undone, with desire to make things right by undoing the wrong.
- repertory: A place where things are stored or gathered together.
- repetition: The act of repeating.
- repine: To indulge in fretfulness and faultfinding.
- replenish: To fill again, as something that has been emptied.
- replete: Full to the uttermost.
- replica: A duplicate executed by the artist himself, and regarded, equally with the first, as an original.
- repository: A place in which goods are stored.
- reprehend: To find fault with.
- reprehensible: Censurable.