Dictionary 1. (a.) Of or pertaining to a unit or units; relating to unity; as, the unitary method in arithmetic.2. (a.) of the nature of a unit; not divided; united. Thesaurus a certain an any any one atomic composite either exclusive individual indivisible integral integrant integrated irreducible lone monadic monistic one rolled into one simple single singular sole solid solitary unanalyzable undivided unified uniform unique united whole |