Fatuousness and Rationalness

Opposite meaning words

Fatuousness noun - Lack of good sense or judgment.

Usage example: the sheer fatuousness of the theory precludes any serious discussion

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Rationalness is an antonym for fatuousness.

Nearby Words: fatuous, fatuity, fatuously

Rationalness noun - The quality of being consistent with or based on logic.

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Fatuousness is an antonym for rationalness.

Cite this Source

Rationalness and Fatuousness. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fatuousness/rationalness

Fatuousness & Rationalness. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fatuousness/rationalness>.

Rationalness or Fatuousness. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fatuousness/rationalness.

Google Ngram Viewer shows how "fatuousness" and "rationalness" have occurred on timeline