unitary

adjective

1. relating to or characterized by or aiming toward unity"the unitary principles of nationalism"
2. of or pertaining to or involving the use of units"a unitary method was applied"
3. characterized by or constituting a form of government in which power is held by one central authority"a unitary as opposed to a federal form of government"
4. having the indivisible character of a unit"a unitary action"