N. contrariety, contrast, foil, antithesis, oppositeness, contradiction, antagonism, clashing, repugnance, inversion, the opposite, the reverse, the inverse, the converse, the antipodes, the antithesis, the other extreme

V. be contrary, contrast with, oppose, diller toto coelo, invert, reverse, turn the tables, turn topsy-turvy, turn end for end, turn upside down, turn inside out, contradict, contravene, antagonize

Adj. contrary, contrarious, contrariant, opposite, counter, dead against, converse, reverse, opposed, antithetical, contrasted, antipodean, antagonistic, opposing, conflicting, inconsistent, contradictory, at cross purposes, negative, hostile, differing toto coelo, diametrically opposite, diametrically opposed, as opposite as black and white, as opposite as light and darkness, as opposite as fire and water, as opposite as the poles, as different as night and day, "hyperion to a satyr", quite the contrary, quite the reverse, no such thing, just the other way, tout au contraire

Adv. contrarily, contra, contrariwise, per contra, on the contrary, nay rather, vice versa, on the other hand

Phr. "all concord's born of contraries", thesis, antithesis, synthesis