boorish

Synonyms: bad-mannered barbaric bearish cantankerous churlish cloddish clodhopping clownish clumsy coarse countrified gross gruff ill-bred ill-mannered impolite inurbane loud loutish lowbred oafish ornery out-of-line out-of-order provincial rough rude rustic swinish tasteless ugly uncivilized uncouth uncultured uneducated ungracious unpoised unpolished unrefined vulgar

Antonyms: charming cultured exciting polite refined sophisticated