Pronunciation: (self'di-strukt'),[key] —v.i. 1. to destroy itself or oneself: The missile is built so that a malfunction will cause it to self-destruct. 2. to cause itself or oneself to reach a state of collapse, dysfunction, confusion, or the like: The committee is so disorganized it will probably self-destruct before it can accomplish anything.
—adj. causing something to self-destruct: a self-destruct mechanism.