Unknown
Unknown adjective - Happening or existing without one's knowledge.
Unquantifiable and unknown are semantically related. In some cases you can use "Unquantifiable" instead an adjective "Unknown".
Nearby Words: unknowable, unknowing
Unquantifiable
Unknown and unquantifiable are semantically related. You can use "Unknown" instead an adjective "Unquantifiable".
Mutual synonyms
Cite this Source
Unquantifiable and Unknown. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/unknown/unquantifiable
Unknown & Unquantifiable. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/unknown/unquantifiable>.
Unquantifiable or Unknown. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/unknown/unquantifiable.
Google Ngram Viewer shows how "unknown" and "unquantifiable" have occurred on timeline