Unitary

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 Entries

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