Certified and Nonvalid

Opposite meaning words

Certified adjective - Being exactly as appears or as claimed.

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Nonvalid is an antonym for certified.

Nearby Words: certify, certification, certifiable, certifying

Nonvalid adjective - Having no basis in reason or fact.

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

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Certified is an antonym for nonvalid.

Cite this Source

Nonvalid and Certified. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/certified/nonvalid

Certified & Nonvalid. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/certified/nonvalid>.

Nonvalid or Certified. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/certified/nonvalid.

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