/ Dictionary / Index R Rasta: Meaning and Definition of Find definitions for: Ras•ta Pronunciation: (ras'tu, rä'stu), [key] — n. Rastafarian (def. 1). Rastafarianism. —adj. Rastafarian (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rasta (Thesaurus) rassle Rastafari Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language