A lot rides on whether moral turpitude requires a conviction. Yet, according to the state Supreme Court, moral turpitude is an elusive concept incapable of the precise general definition. Moral turpitude' has been described by many authorities as an act of baseness, vileness, or depravity, contrary to the agreed and customary rule of law and duty between man and a man, in social and private duties that a man owes to his fellowmen or society in general.