Not polished, as:
Not smooth and shiny: unpolished shoes; unpolished gemstones.
Not elaborated, perfected, or completed: an unpolished performance.
Not having attained a high degree of skill: an unpolished tenor.
Lacking good manners, culture, or refinement.
Natural and unsophisticated: The service was friendly and unpolished.
(ŭn-pŏl'ĭsht) 