To moralize.
Moral practices or teachings: modes of conduct.
The ethical significance or practical lesson.
Probable but not proved.
Of or relating to principles of right and wrong in behaviour, especially for teaching right behaviour.
Conforming to a standard of right behaviour; sanctioned by or operative on one's conscience or ethical judgment.
Capable of right and wrong action.
Positively affecting the mind, confidence, or will.
Devious people, collectively.
Done by moving the hand (and arm) from below.
Sly, dishonest, corrupt, cheating.
Insincere; sarcastic.
An underhanded compliment is actually criticism.
Secret; surreptitious.
His underhanded trick backfired and he was disqualified.
Understaffed.
In an underhanded manner.