/ Dictionary / Index R reminder: Meaning and Definition of Find definitions for: re•mind•er Pronunciation: (ri-mīn'dur), [key] — n. a person or thing that serves to remind. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: reminder (Thesaurus) remind remindful Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language