suicidal

Considering or desiring to commit suicide.

Relating to suicide.

Dangerous to oneself or to one’s interests; self-destructive or ruinous.

Partaking or being of the nature of the crime of suicide; suggestive of suicide; leading to suicide: as, suicidal mania; hence, figuratively, destructive of one’s aims or interests; self-destructive: as, a suicidal business policy.

Partaking of, or of the nature of, the crime or suicide.

Pertaining to suicide.

Likely to commit, or to attempt to commit, suicide.

Extremely reckless.

someone suicidal, someone likely to kill themselves