1. (a.) At variance; disagreeing; opposite\; contrary; different.

2. (n.) A dissident.

adversative adverse adversive antagonistic anti antipathetic antithetic antonymous assorted at cross-purposes at loggerheads at odds at variance at war balancing clashing compensating conflicting confronting contradictory contradistinct contrapositive contrarious contrary contrasted contrasting converse counter counterbalancing counterpoised countervailing cranky cross dead against departing deviating deviative different differentiated differing disaccordant disagreeable disagreeing disconsonant discordant discrete discriminated disharmonious disjoined disparate disproportionate dissident dissimilar dissonant distinct distinguished divergent diverging divers diverse diversified eyeball to eyeball grating heterogeneous hostile immiscible in disagreement inaccordant incompatible incongruent incongruous inconsistent inconsonant inharmonious inimical inverse irreconcilable jangling jarring many motley multifarious negative obverse opposed opposing opposite oppositional oppositive oppugnant out of accord out of whack perverse poles apart poles asunder repugnant reverse separate separated several squared off unconformable uncongenial unequal unharmonious unlike variant varied variegated various varying widely apart worlds apart