Obsolete form of suicidal.

(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).

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

Someone suicidal; someone likely to kill themselves.

plural of suicide

Third-person singular simple present indicative form of suicide

(uncountable) The tendency of a person to commit suicide. / (countable) A fatality that is an instance of suicide.

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

the act of killing yourself on purpose

(informal, derogatory) A shower having an electric heating element in the shower head.