Credible and Unfounded

Credible

Credible adjective - Worthy of being accepted as true or reasonable.

Unfounded is an antonym for credible.

Unfounded

Unfounded adjective - Having no basis in reason or fact.
Usage example: the accusation proved to be unfounded

Credible is an antonym for unfounded.

Nearby Word: unfoundedly
Cite this Source
Unfounded and Credible. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/credible/unfounded
Credible & Unfounded. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/credible/unfounded>.
Unfounded or Credible. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/credible/unfounded.
Google Ngram Viewer shows how "credible" and "unfounded" have occurred on timeline