/ Dictionary / Index B boom-or-bust: Meaning and Definition of Find definitions for: boom-or-bust Pronunciation: (bm'ur bust'), [key] — adj. boom-and-bust. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. boomlet boom shot Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language