Adjective

• 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. of stone or timber; shaped roughly without finishing