Rational and Witless

Opposite meaning words

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

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Witless is an antonym for rational.

Witless adjective - Not having or showing an ability to absorb ideas readily.

Usage example: a dog so witless that it is barely trainable

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Rational is an antonym for witless.

Cite this Source

Witless and Rational. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/rational/witless

Rational & Witless. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/rational/witless>.

Witless or Rational. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/rational/witless.

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