Hyperintelligent and Loony

Opposite meaning words

Hyperintelligent adjective - Having or showing quickness of mind.

Usage example: from an early age he showed signs of being a hyperintelligent child

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Loony is an antonym for hyperintelligent.

Loony adjective - Showing or marked by a lack of good sense or judgment.

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Hyperintelligent is an antonym for loony.

Nearby Word: loon

Cite this Source

Loony and Hyperintelligent. (2017). Retrieved 2026, August 14, from https://thesaurus.plus/related/hyperintelligent/loony

Hyperintelligent & Loony. N.p., 2017. Web. 14 Aug. 2026. <https://thesaurus.plus/related/hyperintelligent/loony>.

Loony or Hyperintelligent. 2017. Accessed August 14, 2026. https://thesaurus.plus/related/hyperintelligent/loony.

Google Ngram Viewer shows how "hyperintelligent" and "loony" have occurred on timeline