unitary Syllabification: (u·ni·tar·y)Pronunciation: /ˈyo͞oniˌterē/Definition of unitary adjective 1forming a single or uniform entity:a sort of unitary wholeness of or relating to a system of government or organization in which the powers of the separate constituent parts are vested in a central body:a unitary rather than a federal state 2of or relating to a unit or units. Derivatives unitarilyPronunciation: /ˈyo͞onəˌterəlē, ˌyo͞onəˈte(ə)r-/ adverb unitarityPronunciation: /ˌyo͞onəˈte(ə)ritē/ noun unitary in other Oxford dictionaries Definition of unitary in the British & World English dictionary