/ Dictionary / Index R rident: Meaning and Definition of Find definitions for: ri•dent Pronunciation: (rīd'nt), [key] — adj. laughing; smiling; cheerful. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rideable rider Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language