Reasonable and Witless
Opposite meaning words
Reasonable
Reasonable adjective - According to the rules of logic.
Usage example: his answer is perfectly reasonable
Witless is an antonym for reasonable.
Witless
Witless adjective - Not having or showing an ability to absorb ideas readily.
Usage example: a dog so witless that it is barely trainable
Reasonable is an antonym for witless.
Cite this Source
Witless and Reasonable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/reasonable/witless
Reasonable & Witless. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/reasonable/witless>.
Witless or Reasonable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/reasonable/witless.
Google Ngram Viewer shows how "reasonable" and "witless" have occurred on timeline