Extremely costly; so expensive as to cause financial ruin.
Causing ruin; destructive, calamitous
Characterized by ruin; ruined; dilapidated; as, an edifice, bridge, or wall in a ruinous state.
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.