/ Dictionary / Index D defibrate: Meaning and Definition of Find definitions for: de•fi•brate Pronunciation: (dē-fī'brāt), [key] — -brat•ed, -brat•ing. to break (wood, paper, garbage, etc.) into fibrous components; reduce to fibers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. defiberize defibrillate Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language