/ Dictionary / Index R riflip: Meaning and Definition of Find definitions for: rif•lip Pronunciation: (rif'lip"), [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rifling rift 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