noun
boor
BOOR/bʊr/
A rude or socially insensitive person.
The boor reaches across another diner's plate while chewing with his mouth open.

Etymology
The “herdsman” connection belongs to the earlier meaning “countryman” or “peasant.” The modern insult reflects a city-dweller’s stereotype of rural people as uncouth.
In context
I am a clown and a boor, I have got some notion of what they call safe conduct;
More examples
- He behaved like a boor throughout dinner.
- Only a boor would mock the host's careful preparations.
- Her courteous reply embarrassed the loud boor.
Forms
boor · boors
Similar words
- bully
- A bully intimidates others; a boor is rude or insensitive without necessarily intimidating them.