n. Any of a class of powerful explosives composed of nitroglycerin or ammonium nitrate dispersed in an absorbent medium with a combustible dope, such as wood pulp, and an antacid, such as calcium carbonate, used in blasting and mining.n. Slang Something exceptionally exciting or wonderful.n. Slang Something exceptionally dangerous: These allegations are political dynamite. v. To blow up, shatter, or otherwise destroy with or as if with dynamite.v. To charge with dynamite.adj. Slang Outstanding; superb: a dynamite performance; a dynamite outfit.