/ Dictionary / Index P perfect rhyme: Meaning and Definition of Find definitions for: per'fect rhyme' Pronunciation: [key] rhyme of two words spelled or pronounced identically but differing in meaning, as rain, reign; rich rhyme. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. perfect ream perfect square Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language