Pronunciation: (ik-splō'siv),[key] —adj. 1. tending or serving to explode: an explosive temper; Nitroglycerin is an explosive substance. 2. pertaining to or of the nature of an explosion: explosive violence. 3. likely to lead to violence or hostility: an explosive issue. 4. Phonet.plosive.
—n. 1. an explosive agent or substance, as dynamite.