Synonyms to posing against

antithesis, antagonism, anteposition, antipathy, antipode, antipodes, antipole, antonym, clashing, collision, con, conflict, confrontation, confrontment, contention, contra, contradiction, contradictory, contradistinction, contraindication, contraposition, contrariety, contrary, contrast, converse, counter, counterbalance, countercheck, counterpoint, counterpoise, counterpole, counterposition, counterterm, cross-purposes, disagreement, discrepancy, foil, hostility, inconsistency, inimicalness, inverse, obverse, offset, opposing, opposite, opposite number, oppositeness, opposition, opposure, oppugnance, oppugnancy, perversity, polar opposition, polarity, polarization, repugnance, reverse, setoff, showdown, the contrary, the other side, vis-a-vis, allegory, analogy, audience, balancing, bargaining, bargaining session, collision course, comparative anatomy, comparative degree, comparative grammar, comparative judgment, comparative linguistics, comparative literature, comparative method, compare,