Intelligent
Intelligent adjective - Having or showing quickness of mind.
Usage example: his intelligent response to the emergency averted a disaster
Witless is an antonym for intelligent.
Witless
Witless adjective - Not having or showing an ability to absorb ideas readily.
Usage example: a dog so witless that it is barely trainable
Both words in one sentence
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Small Name, Big Ego: Bree, at first, thanks mostly to being a talking intelligent horse surrounded by regular witless horses.
Cite this Source
Witless and Intelligent. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/intelligent/witless
Intelligent & Witless. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/intelligent/witless>.
Witless or Intelligent. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/intelligent/witless.
Google Ngram Viewer shows how "intelligent" and "witless" have occurred on timeline