Unknown
Unknown noun - An unknown and unexplored region.
Unknowns and unknown are semantically related In some cases you can replace term "Unknowns" with "Unknown", this nouns are similar.
Nearby Words: unknowable, unknowing
Unknowns
Unknown and unknowns are semantically related in unexplored topic. You can use "Unknown" instead a noun "Unknowns", if it concerns topics such as unrevealed, next world, life after death, person who is unfamiliar.
Mutual synonyms
Cite this Source
Unknowns and Unknown. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/unknown/unknowns
Unknown & Unknowns. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/unknown/unknowns>.
Unknowns or Unknown. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/unknown/unknowns.
Google Ngram Viewer shows how "unknown" and "unknowns" have occurred on timeline