Plain and Unlettered

Plain

Plain adjective - Free from all additions or embellishment.

Unlettered is an antonym for plain.

Nearby Words: plainly, plainness, plaint

Unlettered

Unlettered adjective - Lacking in education or the knowledge gained from books.

Plain is an antonym for unlettered in ignorant topic.
Cite this Source
Unlettered and Plain. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/plain/unlettered
Plain & Unlettered. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/plain/unlettered>.
Unlettered or Plain. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/plain/unlettered.
Google Ngram Viewer shows how "plain" and "unlettered" have occurred on timeline