coarse

"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 what coarse metal ye are molded"; "produced...the common cloths used by the poorer population";

"coarse meal"; "coarse sand"; "a coarse weave";