/ Dictionary / Index D defuze: Meaning and Definition of Find definitions for: de•fuze Pronunciation: (dē-fyz'), [key] — -fuzed, -fuz•ing. defuse. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. defusion defy Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language