Extreme in degree; excessive.
Extreme in size or strength.
Stressful and tiring.
Strained; tightly drawn.
Very severe.
Very emotional or passionate.
Strict, very close or earnest.
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.