What is the meaning of the word "burst out"?

Definitions:

  1. to appear suddenly copy to clipboard verb
    • The actor in the haunted mansion burst out from around the corner and scared us! copy to clipboard
  2. to erupt or intensify suddenly copy to clipboard verb
    • The student kept bursting out in the middle of class. copy to clipboard
  3. to give sudden release to an expression copy to clipboard verb
    • We burst out laughing. copy to clipboard

Synonyms: