Informal
Informal adjective - Not rigidly following established form, custom, or rules.
Successful and informal are semantically related. In some cases you can use "Successful" instead an adjective "Informal".
Successful
Successful adjective - Having attained a desired end or state of good fortune.
Informal and successful are semantically related. Sometimes you can use "Informal" instead an adjective "Successful".
Mutual synonyms
Cite this Source
Successful and Informal. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/informal/successful
Informal & Successful. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/informal/successful>.
Successful or Informal. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/informal/successful.
Google Ngram Viewer shows how "informal" and "successful" have occurred on timeline