rude

adjective

1. 1

   socially incorrect in behavior

   resentment flared at such an unmannered intrusion

2. 2

   lacking civility or good manners

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

3. 3

   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

4. 4

   (of persons) lacking in refinement or grace

5. 5

   (used especially of commodities) being unprocessed or manufactured using only simple or minimal processes

   natural yogurt

   natural produce