Fool and Rational

Fool

Fool adjective - Showing or marked by a lack of good sense or judgment.
Usage example: he's always got some fool plan or other

Rational is an antonym for fool.

Rational

Rational adjective - Having the ability to reason.

Fool is an antonym for rational.

Both words in one sentence

  • Chavez is an egocentric fool, but he still nonetheless comes across as being reasonable and rational compared to the fanatical, deranged and downright insane guests he is forced to deal with.
Cite this Source
Rational and Fool. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/fool/rational
Fool & Rational. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/fool/rational>.
Rational or Fool. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/fool/rational.
Google Ngram Viewer shows how "fool" and "rational" have occurred on timeline