/ Dictionary / Index R rift: Meaning and Definition of Find definitions for: rift Pronunciation: (rift), [key] —v.t., v.i. to burst open; split. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rift (Thesaurus) riflip rift saw 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