Synonyms of adverse

2 Syllables

agin, contrast, harmful, stuffy, naysaying, counter, coner, nocent, froward, tragic, flip-side

3 Syllables

mismatched, oppugning, untoward, contrary, hostile, injurious, debit-side, opposed, opposing, unfriendly, conflicting, blackhearted, oppugnant, dissentient, repugnant, resentful, diametric, ornery, reluctant, flipside, wrongheaded, sinister, contrariant, unlucky, unwilling, disastrous

4 Syllables

negative, unadapted, detrimental, dyslogistic, ill-disposed, privative, antithetic, unsimilar, inimical, calamitous, unpropitious, violative, antipodean, opposite, unalike, incongruousness, adversarial

5 Syllables

disadvantageous, unconducive, unfavorable, infelicitous, inopportune, oppositional, incompatible, inconformable, unconformable, adversative, contradictory, unfortunate, confrontational

6 Syllables

unaffirmative