ill-mannered, bad-mannered, rude, unmannered, unmannerly (adj)

socially incorrect in behavior

"resentment flared at such an unmannered intrusion"

ill-bred, bounderish, lowbred, rude, underbred, yokelish (adj)

(of persons) lacking in refinement or grace

uncivil, rude (adj)

lacking civility or good manners

"want nothing from you but to get away from your uncivil tongue"- Willa Cather

natural, raw(a), rude(a) (adj)

(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"

crude, primitive, rude (adj)

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"

rude (Adjective)

Bad mannered.

rude (Adjective)

Obscene, pornographic, offensive.

rude (Adjective)

Tough, robust.

rude (Adjective)

Undeveloped, unskilled, basic.

rude (Adjective)

Hearty, vigorous; .