- to destroy itself automatically: a missile designed to self-destruct
- to greatly harm oneself or itself, specif. as the result of inherent or fundamental flaws
See self-destruct in American Heritage Dictionary 4
A mechanism for causing a device to destroy itself. intransitive verb self-de·struct·ed
To destroy oneself or itself: “died at 28, wasted from years of self-destructing on drugs” (Jack Kroll).
Origin: Back-formation from self-destruction
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