Rational and Sappy

Opposite meaning words

Rational adjective - Having the ability to reason.

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Sappy is an antonym for rational.

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

Usage example: a sappy plan to try to get her divorced parents back together again

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Rational is an antonym for sappy.

Nearby Word: sapped

Cite this Source

Sappy and Rational. (2016). Retrieved 2026, August 18, from https://thesaurus.plus/related/rational/sappy

Rational & Sappy. N.p., 2016. Web. 18 Aug. 2026. <https://thesaurus.plus/related/rational/sappy>.

Sappy or Rational. 2016. Accessed August 18, 2026. https://thesaurus.plus/related/rational/sappy.

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