vulgar (Adjective) — Lacking refinement, cultivation or taste. ex. "appealing to the vulgar taste for violence" ex. "the vulgar display of the newly rich"
vulgar (Adjective) — (disparaging) of or associated with ordinary, common people. ex. "a vulgar and objectionable person"
vulgar (Adjective) — Being or characteristic of or appropriate to everyday language. ex. "the vulgar tongue of the masses" ex. "the technical and vulgar names for an animal species"
vulgar (Adjective) — Conspicuously and tastelessly indecent. ex. "a vulgar gesture" ex. "full of language so vulgar it should have been edited"