/ Dictionary / Index R rah-rah: Meaning and Definition of Find definitions for: rah-rah Pronunciation: (rä'rä'), [key] — adj. Informal. marked by or expressive of ardently enthusiastic spirit: a group of rah-rah undergraduates; a rah-rah attitude. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rahman Rahv Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language