Hyperintelligent and Preposterous

Hyperintelligent

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

Preposterous is an antonym for hyperintelligent.

Preposterous

Preposterous adjective - Conceived or made without regard for reason or reality.

Hyperintelligent is an antonym for preposterous.
Cite this Source
Preposterous and Hyperintelligent. (2017). Retrieved 2026, August 15, from https://thesaurus.plus/related/hyperintelligent/preposterous
Hyperintelligent & Preposterous. N.p., 2017. Web. 15 Aug. 2026. <https://thesaurus.plus/related/hyperintelligent/preposterous>.
Preposterous or Hyperintelligent. 2017. Accessed August 15, 2026. https://thesaurus.plus/related/hyperintelligent/preposterous.
Google Ngram Viewer shows how "hyperintelligent" and "preposterous" have occurred on timeline