Likely to commit, or to attempt to commit, suicide.
Extremely reckless.
Highly likely to certain to result in the deaths of the participants; dangerous or reckless to such a degree as to be tantamount to suicide for those taking part.
Pertaining to suicide.
Someone suicidal; someone likely to kill themselves.
Tending to destroy, devastate, overwhelm, or cause complete destruction.
Diminishing rapidly.
Tending to make someone feel small; scornful in a mortifying way.
The process by which something withers.