Unknown
Unknown adjective - Happening or existing without one's knowledge.
Unfound and unknown are semantically related. In some cases you can use "Unfound" instead an adjective "Unknown".
Nearby Words: unknowable, unknowing
Unfound
Mutual synonyms
Cite this Source
Unfound and Unknown. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/unknown/unfound
Unknown & Unfound. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/unknown/unfound>.
Unfound or Unknown. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/unknown/unfound.
Google Ngram Viewer shows how "unknown" and "unfound" have occurred on timeline