THESAURUS
contraposition
antagonism, antipathy, antithesis, backlash, bucking, challenge, clashing, collision, con, conflict, confrontation, confutation, contention, contradiction, contradistinction, contraindication, contrariety, contrast, contravention, contraversion, counteraction, counterposition, counterworking, crankiness, cross-purposes, crosscurrent, crossing, crotchetiness, denial, disagreement, discrepancy, dissent, friction, head wind, hostility, impugnation, impugnment, inconsistency, inimicalness, interference, kick, negation, nonconformity, opposing, oppositeness, opposition, opposure, oppugnance, oppugnancy, oppugnation, perverseness, perversity, polarity, reaction, rebutment, rebuttal, recalcitrance, recoil, refusal, rejection, renitency, repercussion, repugnance, resistance, revolt, showdown, standing against, swimming upstream, traversal, undercurrent
ROGET THESAURUS
contraposition
Inversion
N
inversion, eversion, subversion, reversion, retroversion, introversion,
contraposition, contrariety, reversal, turn of the tide, overturn, somersault, somerset, summerset, culbute, revulsion, pirouette, transposition, transposal, anastrophy, metastasis, hyperbaton, anastrophe, hysteron proteron, hypallage, synchysis, tmesis, parenthesis, metathesis, palindrome, pronation and supination, inverted, wrong side out, wrong side up, inside out, upside down, bottom upwards, keel upwards, supine, on one's head, topsy-turvy, sens dessus dessous, inverse, reverse, opposite, top heavy, inversely, hirdy-girdy, heels over head, head over heels.
Contraposition
N
contraposition, opposition, polarity, inversion, opposite side, reverse, inverse, counterpart, antipodes, opposite poles, North and South, antonym, opposite (contrariety), opposite, reverse, inverse, converse, antipodal, subcontrary, fronting, facing, diametrically opposite, Northern, septentrional, Boreal, arctic, Southern, Austral, antarctic, over, over the way, over against, against, face to face, vis-a- vis, as poles asunder.