/ Dictionary / Index B boom-and-bust: Meaning and Definition of Find definitions for: boom-and-bust Pronunciation: (bm'un bust'), [key] — adj. characteristic of a period of economic prosperity followed by a depression. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. boom boom box 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