/ Dictionary / Index B be-all and end-all: Meaning and Definition of Find definitions for: be-all and end-all Pronunciation: (bē'ôl" und end'ôl"), [key] the central and all-important part: His work was the be-all and end-all of his existence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Beal beam Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language