Synonyms of contrariant

2 Syllables
clashing
3 Syllables
adverse, discrepant, contrary, incongruous, opposed, opposing, incongruent, conflicting, wrongheaded, dissonant, discordant
4 Syllables
inconsonant, disconsonant, unmixable, inconsistent
5 Syllables
unfavorable, antagonistic, antipathetic, incompatible, paradoxical