Lunatic and Valid

Opposite meaning words

Lunatic adjective - Showing or marked by a lack of good sense or judgment.

Usage example: such lunatic clowning during church services is completely inappropriate

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Valid is an antonym for lunatic.

Nearby Words: lunacy, luna

Valid adjective - According to the rules of logic.

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Lunatic is an antonym for valid.

Nearby Words: validity, validation

Cite this Source

Valid and Lunatic. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/lunatic/valid

Lunatic & Valid. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/lunatic/valid>.

Valid or Lunatic. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/lunatic/valid.

Google Ngram Viewer shows how "lunatic" and "valid" have occurred on timeline