adversative, adverse, adversive, antagonistic, anti, antipathetic, antipodal, antipode, antipodes, antipole, antithesis, antithetic, antonym, antonymous, at cross-purposes, balancing, change, clashing, compensating, conflicting, confronting, contra, contradictory, contradistinct, contrapositive, contrarious, contrary, contrasted, converse, counter, counterbalance, counterbalancing, countercheck, counterpoint, counterpoise, counterpoised, counterpole, counterterm, countervailing, dead against, discordant, discrepant, eyeball-to-eyeball, eyeball to eyeball, facing, foil, heads, hostile, inconsistent, inimical, invert, obverse, offset, opposed, opposing, opposite, opposite number, opposite side, oppositional, oppositive, oppugnant, other face, other side, perverse, polar, polaric, polarized, repugnant, reverse, revert, setoff, squared off, tails, the contrary, the other side, transplace, transpose, turn, vis-a-vis