adj. Driving or bursting out with violence and noise; causing explosion.n. An explosive agent; a compound or mixture susceptible of a rapid chemical reaction, as gunpowder, TNT, dynamite, or nitro-glycerine.n. A sound produced by an explosive impulse of the breath; (Phonetics) one of consonants p, b, t, d, k, g, which are sounded with a sort of explosive power of voice. [See Guide to Pronunciation, √ 155-7, 184.]