(ʌnˈʃɪvəlrəslɪ) advin an unchivalrous mannerThesaurus
Adv.
1.
unchivalrously - in an unchivalrous and ungallant manner; "unchivalrously, the husbands who had to provide such innocent indulgences eventually began to count the costs"chivalrously, gallantly - in a gallant manner; "he gallantly offered to take her home"