Burdensome or difficult to bear.
Hot and humid of the weather.
Tyrannical or exercising unjust power.
Weighing heavily on the spirit; intense, or overwhelming
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.
Pertaining to suicide.
Someone suicidal; someone likely to kill themselves.