Not known and Radiant
Opposite meaning terms
Not known
Radiant
Radiant adjective - Having or being an outward sign of good feelings (as of love, confidence, or happiness).
Cite this Source
Radiant and Not known. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/not_known/radiant
Not known & Radiant. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/not_known/radiant>.
Radiant or Not known. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/not_known/radiant.
Google Ngram Viewer shows how "not known" and "radiant" have occurred on timeline