Plain
Unalloyed
Unalloyed adjective - Free from added matter.
Usage example: unalloyed chemicals
Mutual synonyms
Cite this Source
Unalloyed and Plain. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/plain/unalloyed
Plain & Unalloyed. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/plain/unalloyed>.
Unalloyed or Plain. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/plain/unalloyed.
Google Ngram Viewer shows how "plain" and "unalloyed" have occurred on timeline