/ Dictionary / Index K knife-edged: Meaning and Definition of Find definitions for: knife-edged Pronunciation: (nīf'ejd"), [key] — adj. having a thin, sharp edge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. knife edge knife pleat Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language