1. unchivalrous - Adjective
2. unchivalrous - Adjective Satellite
offensively discourteous
Source: WordNetEven nowadays a man can't step up and kill a woman without feeling just a bit unchivalrous. Robert Benchley
Intergender wrestling main For most of its history, men and women would rarely compete against each other in professional wrestling, as it was deemed to be unfair and unchivalrous. Source: Internet
It would have been "unchivalrous" to attack the enemy when they were not yet ready for battle. Source: Internet