1.socially incorrect in behavior;
resentment flared at such an unmannered intrusion
2.(of persons) lacking in refinement or grace
3.lacking civility or good manners;
want nothing from you but to get away from your uncivil tongue- Willa Cather
4.(used especially of commodities) in the natural unprocessed condition;
natural yogurt
5.belonging to an early stage of technical development; characterized by simplicity and (often) crudeness;
the crude weapons and rude agricultural implements of early man