ill-mannered and coarse and contemptible in behavior or appearance; "was boorish and insensitive"; "the loutish manners of a bully"; "her stupid oafish husband"; "aristocratic contempt for the swinish multitude"
Rude
DISCOURTEOUS
showing no courtesy; rude; "a distant and at times discourteous young"
lacking social graces
RUDE
socially incorrect in behavior;
lacking civility or good manners;
belonging to an early stage of technical development; characterized by simplicity and (often) crudeness;
(of persons) lacking in refinement or grace
(used especially of commodities) being unprocessed or manufactured using only simple or minimal processes;