Crazy
Crazy adjective - Showing or marked by a lack of good sense or judgment.
Usage example: a crazy plan to climb Mount Everest without proper equipment
Nonrational and crazy are semantically related. In some cases you can use "Nonrational" instead an adjective "Crazy".
Nonrational
Nonrational adjective - Not using or following good reasoning.
Crazy and nonrational are semantically related. Sometimes you can use "Crazy" instead an adjective "Nonrational".
Mutual synonyms
Cite this Source
Nonrational and Crazy. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/crazy/nonrational
Crazy & Nonrational. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/crazy/nonrational>.
Nonrational or Crazy. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/crazy/nonrational.
Google Ngram Viewer shows how "crazy" and "nonrational" have occurred on timeline