Credible and Nonvalid

Opposite meaning words

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

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Nonvalid is an antonym for credible.

Nonvalid adjective - Having no basis in reason or fact.

Usage example: a nonvalid theory that most scientists rejected long ago

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Credible is an antonym for nonvalid.

Cite this Source

Nonvalid and Credible. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/credible/nonvalid

Credible & Nonvalid. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/credible/nonvalid>.

Nonvalid or Credible. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/credible/nonvalid.

Google Ngram Viewer shows how "credible" and "nonvalid" have occurred on timeline