1. (adj)coarse, common, rough-cut, uncouth, vulgar lacking refinement or cultivation or taste "he had coarse manners but a first-rate mind"; "behavior that branded him as common"; "an untutored and uncouth human being"; "an uncouth soldier--a real tough guy"; "appealing to the vulgar taste for violence"; "the vulgar display of the newly rich"
Definition of 'uncouth' 
