Crackpot and Rational

Opposite meaning words

Crackpot adjective - Having or showing a very abnormal or sick state of mind.

Usage example: all it took to bring down a president was one crackpot malcontent

Show all Definitions

Rational is an antonym for crackpot.

Rational adjective - Having the ability to reason.

Show all Definitions

Crackpot is an antonym for rational.

Cite this Source

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

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

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

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