<p><strong>Verb</strong></p><ul><li>(used without object) to break, break open, or fly apart with sudden violence: The bitter cold caused the pipes to burst.</li><li>to issue forth suddenly and forcibly, as from confinement or through an obstacle: Oil burst to the surface.</li><li>to give sudden expression to or as if to emotion: to burst into applause; to burst into tears.</li><li>to be extremely full, as if ready to break open: The house was bursting with people.</li><li>to appear suddenly; become visible, audible, evident, etc., all at once: The sun burst through the clouds.</li></ul><p><strong>Noun</strong></p><ul><li>an act or instance of bursting.</li><li>a sudden, intense display, as of activity, energy, or effort: The car passed us with a burst of speed.</li><li>a sudden expression or manifestation, as of emotion: a burst of affection.</li><li>a sudden and violent issuing forth: a burst of steam from the pipe.</li><li>Military: the explosion of a projectile, especially in a specified place: an air burst.</li></ul>