/ Dictionary / Index A A.D.B.: Meaning and Definition of Find definitions for: A.D.B. Pronunciation: [key] accidental death benefit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. adazzle ADC 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