Use when an action is so bad it needs to be publicly criticized and condemned. The theft was particularly reprehensible considering the victims were elderly.
Pro Tip 2/3
Serious Offenses
Reserve for actions or behaviors that are ethically or morally very wrong. Lying to cover up the scandal was reprehensible and caused more harm.
Pro Tip 3/3
Avoid Trivial Use
Don't use for minor mistakes or petty misbehaviors; it's for grave, serious matters. Cheating on an exam is reprehensible, not just a bad choice.