The slaughter or slaying of one's self, suicide.(noun)
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Use "self-slaughter" in a sentence
"One in every 100 deaths is the result of what Hamlet called self-slaughter, and the vast majority who die that way are male."
"Yet a group of emo teenagers merely rolled their eyes (whereas at least one journalist considered an emo-style act of self-slaughter), but respectfully waited for their beloved Stewart and Colbert to return, which they did, with merciful speed."
"From the Kinzer piece: This shocking act of self-slaughter was the latest violent tragedy in the long history of a family drenched in blood—first that of the Iranians it tortured and killed, then its own."