Affected with great sadness or depression.
Great sadness or depression, especially of a thoughtful or introspective nature.
Black bile, formerly thought to be one of the four "cardinal humours" of animal bodies.
Pertaining to suicide.
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.
Someone suicidal; someone likely to kill themselves.