Authorised
Authorised adjective - Sanctioned by established authority.
Plain and authorised are semantically related. In some cases you can use "Plain" instead an adjective "Authorised".
Plain
Plain adjective - Free from all additions or embellishment.
Authorised and plain are semantically related. Sometimes you can use "Authorised" instead an adjective "Plain".
Cite this Source
Plain and Authorised. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/authorised/plain
Authorised & Plain. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/authorised/plain>.
Plain or Authorised. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/authorised/plain.
Google Ngram Viewer shows how "authorised" and "plain" have occurred on timeline