- Unify is to become one, come into agreement or become whole.
An example of unify is when the states in the United States all came back together after the Civil War as one whole country.
tr. & intr.v.u·ni·fied, u·ni·fy·ing, u·ni·fies
Origin of unifyFrench unifier, from Old French, from Late Latin ūnificāre : Latin ūnus, one; see uni– + Latin -ficāre, -fy.
(third-person singular simple present unifies, present participle unifying, simple past and past participle unified)