Rational and Screwball

Opposite meaning words

Rational adjective - Having the ability to reason.

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Screwball is an antonym for rational.

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

Usage example: she's always off on some screwball plan

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Rational is an antonym for screwball.

Nearby Word: screw

Cite this Source

Screwball and Rational. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/rational/screwball

Rational & Screwball. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/rational/screwball>.

Screwball or Rational. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/rational/screwball.

Google Ngram Viewer shows how "rational" and "screwball" have occurred on timeline