Definition of "Unitary" :
adjective: 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."
adjective: having the indivisible character of a unit
"A unitary action."
adjective: of or pertaining to or involving the use of units
"A unitary method was applied."
adjective: relating to or characterized by or aiming toward unity
"The unitary principles of nationalism."