Nonvalid and Sane

Opposite meaning words

Nonvalid adjective - Having no basis in reason or fact.

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

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Sane is an antonym for nonvalid.

Sane adjective - Having full use of one's mind and control over one's actions.

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Nonvalid is an antonym for sane.

Nearby Word: sanity

Cite this Source

Sane and Nonvalid. (2017). Retrieved 2026, August 13, from https://thesaurus.plus/related/nonvalid/sane

Nonvalid & Sane. N.p., 2017. Web. 13 Aug. 2026. <https://thesaurus.plus/related/nonvalid/sane>.

Sane or Nonvalid. 2017. Accessed August 13, 2026. https://thesaurus.plus/related/nonvalid/sane.

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