Synonyms of suspiciously

3 Syllables
askance, doubtingly, charily, squeamishly, doubtfully, dubiously
4 Syllables
skeptically, distrustfully, distrustingly, uncertainly, questioningly, disdainfully
5 Syllables
disapprovingly, unbelievingly, hesitatingly
6 Syllables
indecisively, irresolutely, problematically