Dull
Dull adjective - Not having or showing an ability to absorb ideas readily.
Usage example: the importance of the discovery was lost on the dull minds of his colleagues
Witless is a synonym for dull in unintelligent topic. In some cases you can use "Witless" instead the word "Dull" as an adjective or a noun, when it comes to topics like stupid, irrational.
Witless
Witless adjective - Not having or showing an ability to absorb ideas readily.
Usage example: a dog so witless that it is barely trainable
Dull is a synonym for witless in irrational topic. Sometimes you can use "Dull" instead the word "Witless" as an adjective or a noun.
Mutual synonyms
Cite this Source
Witless and Dull. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/dull/witless
Dull & Witless. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/dull/witless>.
Witless or Dull. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/dull/witless.
Google Ngram Viewer shows how "dull" and "witless" have occurred on timeline