Not confined; free from restraint; free from control. Not having narrow limits; not narrow; comprehensive; broad.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. not confined
adj. free from confinement or physical restraint
Word Usage
"This is a store of water underground that can be "unconfined", that is rain can fall on us here and into the ground directly to the underground store."