/ Dictionary / Index R roughrider: Meaning and Definition of Find definitions for: rough•rid•er Pronunciation: (ruf'rī'dur), [key] — n. a person who breaks horses to the saddle. a person accustomed to rough or hard riding. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: roughrider (Thesaurus) roughneck Rough Riders Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language