Expecting the best in all possible ways.
Allowing other processes to perform transactions on the same data at the same time, and checking for conflicts only when changes need to be written back.
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.