/ Dictionary / Index O outburst: Meaning and Definition of Find definitions for: out•burst Pronunciation: (out'bûrst"), [key] — n. a sudden and violent release or outpouring: an outburst of tears. a sudden spell of activity, energy, etc. a public disturbance; riot; outbreak. a bursting forth; eruption. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: outburst (Thesaurus) outbuilding outcast Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language