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