(uncountable) Intentional killing of oneself. / (countable) A particular instance of a person intentionally killing themself, or of multiple people doing so.

(intransitive) To kill oneself intentionally. / (transitive) To kill (someone) and make their death appear to have been a suicide rather than a homicide (now especially as part of a conspiracy).

plural of suicide

Third-person singular simple present indicative form of suicide

(nonstandard) One who commits suicide. / (medicine, social work) One who is planning to commit suicide.

simple past tense and past participle of suicide

Having killed oneself or self-destructed.

plural of suicider

Pertaining to suicide. / (of a person) Likely to commit, or to attempt to commit, suicide.

Someone suicidal; someone likely to kill themselves.