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.
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.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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