impolite (the usual word)
rude, impolite
(of a person) socially shy and clumsy
tactless, unsophisticated
not showing proper respect; rude
bold, disrespectful
not polite
having bad manners
bad-tempered and unfriendly
gruff, bearish
impolite (the usual word)
rude
(of a person, behaviour) rough, awkward, uncultured
clumsy, uncultivated