Formal and Nonformal

Formal

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

Nonformal is an antonym for formal.

Nonformal

Nonformal adjective - Used in or suitable for speech and not formal writing.
Usage example: use of the nonformal “Dad” would be a little jarring in a prayer to our Heavenly Father

Formal is an antonym for nonformal in relaxed topic.
Cite this Source
Nonformal and Formal. (2016). Retrieved 2022, June 25, from https://thesaurus.plus/related/formal/nonformal
Formal & Nonformal. N.p., 2016. Web. 25 Jun. 2022. <https://thesaurus.plus/related/formal/nonformal>.
Nonformal or Formal. 2016. Accessed June 25, 2022. https://thesaurus.plus/related/formal/nonformal.
Google Ngram Viewer shows how "formal" and "nonformal" have occurred on timeline