Unauthenticated
Unknown and unauthenticated are semantically related. In some cases you can use "Unknown" instead an adjective "Unauthenticated".
Unknown
Unknown adjective - Happening or existing without one's knowledge.
Unauthenticated and unknown are semantically related. Sometimes you can use "Unauthenticated" instead an adjective "Unknown".
Nearby Words: unknowable, unknowing
Mutual synonyms
Cite this Source
Unknown and Unauthenticated. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/unauthenticated/unknown
Unauthenticated & Unknown. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/unauthenticated/unknown>.
Unknown or Unauthenticated. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/unauthenticated/unknown.
Google Ngram Viewer shows how "unauthenticated" and "unknown" have occurred on timeline