starburst noun 4verb 3forms 3 noun4 •A violent explosion, or the pattern (likened to the shape of a star) supposed to be made by such an explosion.[…] his arm striking brick and the bottle shattering in a starburst of black […] — 2002 •A region of space with an unusually high rate of star formation. •A period in time during which a region of space experiences an unusually high rate of star formation.The Milky Way will see a starburst in approximately 200,000,000 years. •A symbol similar to an asterisk, but with additional rays: ✺. verb3 •To experience an unusually high rate of star formation. •To make a starburst pattern.The faint light from the sky starbursted on a tear. Suddenly there was something appallingly human about her. — 1998 •To explode; to burst out violently via, or in such a manner as to cause, an explosion. formsstarbursted · starbursting · starbursts