coarse

of texture; large-grained or rough to the touch

• “coarse meal”
• “coarse sand”
• “a coarse weave”

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”

of low or inferior quality or value

• “of what coarse metal ye are molded” Shakespeare
• “produced...the common cloths used by the poorer population”

conspicuously and tastelessly indecent

• “coarse language”
• “a crude joke”
• “crude behavior”
• “an earthy sense of humor”
• “a revoltingly gross expletive”
• “a vulgar gesture”
• “full of language so vulgar it should have been edited”