/ Dictionary / Index D dustup: Meaning and Definition of Find definitions for: dust•up Pronunciation: (dust'up"), [key] — n. a quarrel; argument; row. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dustup (Thesaurus) dust storm dust well Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language