1 : 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"
2 : suggestive of or tending to moral looseness; "lewd pictures"; "an indecent gesture"; "obscene telephone calls"; "salacious limericks"
