Incurable.
Giving no ground of hope; promising nothing desirable; desperate.
Without talent, not skilled.
Without hope; despairing; not expecting anything positive.
Extremely reckless.
Likely to commit, or to attempt to commit, suicide.
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.