Synonyms of wrongheaded

2 Syllables
stubborn, headstrong, anti, balky, counter, clashing, froward, wayward
3 Syllables
recusant, adverse, contrary, hostile, converse, opposed, conflicting, reverse, dissentient, rebellious, diametric, ornery, contrariant, dissident, restive, unruly, discordant, perverse
4 Syllables
intractable, negative, obstinate, inimical, antipodal, refractory, contumacious, nonconforming, nonconformist, antipodean, recalcitrant, inconsistent
5 Syllables
antithetical, antipathetic, paradoxical, contradictory
6 Syllables
insubordinate