from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A sudden, violent display, as of activity or emotion.

from The Century Dictionary.

  • noun A breaking or bursting out; a violent issue or discharge; an outbreak: as, an outburst of wrath.
  • noun In mining:
  • noun A sudden outbreak of gas or water in a mine.
  • noun The outcrop.
  • To burst out.

from the GNU version of the Collaborative International Dictionary of English.

  • noun A bursting forth.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb intransitive To burst out.
  • noun a sudden, violent expression of emotion or activity

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun an unrestrained expression of emotion
  • noun a sudden violent disturbance
  • noun a sudden intense happening


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English *outbersten, *outbresten, *outbrasten, equivalent to out- +‎ burst.


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