Formal and Unstylish

Formal

Formal adjective - Relating to or suitable for wearing to an event requiring elegant dress and manners.
Usage example: a shop that rents out formal wear

Unstylish is an antonym for formal.

Unstylish

Unstylish adjective - Marked by an obvious lack of style or good taste.

Formal is an antonym for unstylish.
Cite this Source
Unstylish and Formal. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/formal/unstylish
Formal & Unstylish. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/formal/unstylish>.
Unstylish or Formal. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/formal/unstylish.
Google Ngram Viewer shows how "formal" and "unstylish" have occurred on timeline