Boorish means rough and rude in manner. Boorish behaviour, a boorish remark, boorish and loud.
The boor behind it was a peasant, and the word's descent from a farmer to an insult is the same journey villain took. It is about manners rather than intent, which is what separates it from cruel.
1adjectiveboorishRough and rude in manner.
“His boorish behaviour at dinner, shouting and eating with his hands, shocked the hosts.”
boorish is a quality.
From boor + -ish.
Etymology from Wiktionary, CC BY-SA