Contrariant

Con*tra"ri*ant (?), a. [LL. contrarians, p. pr. of contrariare to oppose, fr. L. contrarius: cf. F. contrariant, p. pr. of contrarier to contradict. See Contrary.] Contrary; opposed; antagonistic; inconsistent; contradictory. [R.]

The struggles of contrariant factions.
Coleridge.