Synonyms of antithetically

3 Syllables
variously
4 Syllables
differently, contrarily, diversely, abnormally, uniquely, conflictingly, contrastingly, discordantly, adversely, divergently, hostilely, incongruously, unusually
5 Syllables
individually, separately, contrastively, disparately, negatively, dissimilarly, incompatibly, nonconformably, oppositely, unorthodoxly, distinctively
6 Syllables
asymmetrically, contradictorily
7 Syllables
antagonistically