1. ill-mannered, bad-mannered, rude, unmannered, unmannerly, impolite (vs. polite)

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

2. ill-bred, bounderish, lowbred, rude, underbred, yokelish, unrefined (vs. refined)

usage: (of persons) lacking in refinement or grace

3. uncivil (vs. civil), rude

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

4. natural, raw(prenominal), rude(prenominal), unprocessed (vs. processed)

usage: (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"

5. crude, primitive, rude, early (vs. late)

usage: 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"

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See also: rude (Dictionary)