Unpolished and Unfastidious

Unpolished adjective - Lacking in refinement or good taste.

Unfastidious and unpolished are semantically related In some cases you can use "Unfastidious" instead an adjective "Unpolished".

Unfastidious adjective - Marked by an absence of due or proper care or attention to detail; not concerned with cleanliness.

Unpolished and unfastidious are semantically related in shabby topic. Sometimes you can use "Unpolished" instead an adjective "Unfastidious".