Daffy
Daffy adjective - Having or showing a very abnormal or sick state of mind.
Usage example: lurid newspaper reports that portrayed the serial killer as clearly daffy
Rational
Rational adjective - According to the rules of logic.
Usage example: insisted there was a rational explanation for the strange creaking noises and that there were no such things as ghosts
Both words in one sentence
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Ali Baba Bunny plays Gold Fever for laughs, with Bugs Bunny remaining calm and rational upon the discovery of a cavern filled with treasure and Daffy Duck going hysterically nutbar insane.
Source: Gold Fever
Cite this Source
Rational and Daffy. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/daffy/rational
Daffy & Rational. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/daffy/rational>.
Rational or Daffy. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/daffy/rational.
Google Ngram Viewer shows how "daffy" and "rational" have occurred on timeline