Informal
Informal adjective - Not rigidly following established form, custom, or rules.
Not beautiful and informal are semantically related. In some cases you can use "Not beautiful" instead an adjective "Informal".
Not beautiful
Informal and not beautiful are semantically related. Sometimes you can use "Informal" instead an adjective phrase "Not beautiful".
Mutual synonyms
Cite this Source
Not beautiful and Informal. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/informal/not_beautiful
Informal & Not beautiful. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/informal/not_beautiful>.
Not beautiful or Informal. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/informal/not_beautiful.
Google Ngram Viewer shows how "informal" and "not beautiful" have occurred on timeline