intransitive. To burst or spring out from restraint, confinement, or concealment. Said of persons and things material, also of fire, light, etc.

intransitive. To burst forth; to split, shatter.

intransitive. To gush out; to flow in gulps. Obsolete.

Said of a door. Now usually to burst open: to fly open suddenly.

transitive. In extended use. To cause (words, vengeance, trouble, etc.) to flash forth; to unleash, to wreak.

intransitive. To issue, or come out, with force or violence; to rush out, to spout up.

With out (of). intransitive. To emerge suddenly or unexpectedly; to depart from somewhere vigorously or forcibly; to break out. Cf. burst, v. 15a.