Formal and Unpolished

Formal

Formal adjective - Very dignified in form, tone, or style.
Usage example: the formal language of the coronation ceremony

Unpolished is an antonym for formal.

Unpolished

Unpolished adjective - Lacking in refinement or good taste.

Formal is an antonym for unpolished.
Cite this Source
Unpolished and Formal. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/formal/unpolished
Formal & Unpolished. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/formal/unpolished>.
Unpolished or Formal. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/formal/unpolished.
Google Ngram Viewer shows how "formal" and "unpolished" have occurred on timeline