Unpolished (adjective)

1. Not having a smooth, glossy, or fine surface.
2. Not having a refined or sophisticated quality.
3. Not having a professional or polished appearance.

Origin:

From the latin word 'inpolire' which means 'not to make smooth or glossy'.

Examples:

1. The rough stone was unpolished and had a dull appearance.
2. The performance was unpolished and lacked finesse.
3. The speech was unpolished and lacked professionalism.
4. The prototype was unpolished and lacked the sleek finish of the final product.
5. The manuscript was unpolished and needed several revisions before it was ready for publication.