su·i·cid·al
ˌso͞oəˈsīdl/
adjective
deeply unhappy or depressed and likely to commit suicide.
"far from being suicidal, he was clearly enjoying life"
relating to or likely to lead to suicide.
"I began to take her suicidal tendencies seriously"
likely to have a disastrously damaging effect on oneself or one's interests.
"a suicidal career move"