Unfounded and Unauthorized

Unfounded

Unfounded adjective - Having no basis in reason or fact.

Unauthorized and unfounded are semantically related. In some cases you can use "Unauthorized" instead an adjective "Unfounded".

Nearby Word: unfoundedly

Unauthorized

Unauthorized adjective - Not endowed with authority.

Unfounded and unauthorized are semantically related. Sometimes you can use "Unfounded" instead an adjective "Unauthorized".

Nearby Word: unauthorised
Cite this Source
Unauthorized and Unfounded. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/unfounded/unauthorized
Unfounded & Unauthorized. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/unfounded/unauthorized>.
Unauthorized or Unfounded. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/unfounded/unauthorized.
Google Ngram Viewer shows how "unfounded" and "unauthorized" have occurred on timeline