ungentleman

plural ungentlemen

1. A man who lacks the refinement of a gentleman; a ruffian.

   It was the act of a bounder, an ungentleman; in essence, he was accused of cheating.

   2014, Floodlights and Touchlines: A History of Spectator Sport, page Rob Steen

   2 more examples

   I was just curious because I wasn't sure if someone like you could even get a date, with you being too good for us ungentlemen and all.

   2012, Christie Rushenberg, Cravings, page 81

   That man, that ungentleman, was Sebastian's long-time friend. And even though they had not seen each other in many years, there was always the possibility that he would recognize her. Oh, this would not do.

   2013, Sharon Cullen, Loving the Earl