Hyperintelligent and Thickheaded

Hyperintelligent

Hyperintelligent adjective - Having or showing quickness of mind.
Usage example: from an early age he showed signs of being a hyperintelligent child

Thickheaded is an antonym for hyperintelligent.

Thickheaded

Thickheaded adjective - Not having or showing an ability to absorb ideas readily.
Usage example: don't suppose that he's thickheaded just because he doesn't understand English very well

Hyperintelligent is an antonym for thickheaded.
Cite this Source
Thickheaded and Hyperintelligent. (2017). Retrieved 2026, July 22, from https://thesaurus.plus/related/hyperintelligent/thickheaded
Hyperintelligent & Thickheaded. N.p., 2017. Web. 22 Jul. 2026. <https://thesaurus.plus/related/hyperintelligent/thickheaded>.
Thickheaded or Hyperintelligent. 2017. Accessed July 22, 2026. https://thesaurus.plus/related/hyperintelligent/thickheaded.
Google Ngram Viewer shows how "hyperintelligent" and "thickheaded" have occurred on timeline