Unlimited discretionary power to act; unrestricted authority.
A blank paper that is signed by some authority and given to a person to fill as he or she pleases.
As an undifferentiated mass, without regard to distinctions; willy-nilly. (Possibly from confusion with another French phrase, en masse.)
The state of being lax; looseness, lack of tension.
Moral looseness; lack of rigorousness or strictness.