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.
Likely to commit, or to attempt to commit, suicide.
Extremely reckless.
Pertaining to suicide.
Someone suicidal; someone likely to kill themselves.
likely to be affected by something
vulnerable
that, when subjected to a specific operation, will yield a specific result
especially sensitive, particularly to a stimulus
easily influenced or tricked; credulous
A person who is vulnerable to being infected by a certain disease