Unknown
Unknown noun - An unknown and unexplored region.
Unknow and unknown are semantically related. In some cases you can replace term "Unknow" with "Unknown", this nouns are similar.
Nearby Words: unknowable, unknowing
Mutual synonyms
Related pairs
Cite this Source
Unknow and Unknown. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/unknown/unknow
Unknown & Unknow. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/unknown/unknow>.
Unknow or Unknown. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/unknown/unknow.
Google Ngram Viewer shows how "unknown" and "unknow" have occurred on timeline