rude

socially incorrect in behavior; "resentment flared at such an unmannered intrusion"

(of persons) lacking in refinement or grace

lacking civility or good manners; "want nothing from you but to get away from your uncivil tongue"- Willa Cather

(used especially of commodities) being unprocessed or manufactured using only simple or minimal processes; "natural yogurt"; "natural produce"; "raw wool"; "raw sugar"; "bales of rude cotton"

belonging to an early stage of technical development; characterized by simplicity and (often) crudeness; "the crude weapons and rude agricultural implements of early man"; "primitive movies of the 1890s"; "primitive living conditions in the Appalachian mountains"