Brilliant and Witless
Opposite meaning words
Brilliant
Brilliant adjective - Having or showing quickness of mind.
Usage example: a brilliant boy who left for college at the age of 16
Witless
Witless adjective - Not having or showing an ability to absorb ideas readily.
Usage example: a dog so witless that it is barely trainable
Cite this Source
Witless and Brilliant. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/brilliant/witless
Brilliant & Witless. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/brilliant/witless>.
Witless or Brilliant. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/brilliant/witless.
Google Ngram Viewer shows how "brilliant" and "witless" have occurred on timeline