n. 1. The act or an instance of intentionally killing oneself. 2. The destruction or ruin of one's own interests: It is professional suicide to involve oneself in illegal practices. 3. One who dies by suicide. intr.v. su·i·cid·ed, su·i·cid·ing, su·i·cides To kill oneself; die by suicide. adj. Relating to, involving, or resulting in one's voluntary death. [Latin suī, of oneself; see s(w)e- in the Appendix of Indo-European roots + –CIDE.] |
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