offensively discourteous
同义词：caddish??/??ungallant
Nothing at all unchivalrous about that, for they meant it.
FORBES: The Definition of Chivalry
unchivalrous:
un- +? chivalrous
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。