Harebrained and Sound

Harebrained

Harebrained adjective - Showing or marked by a lack of good sense or judgment.
Usage example: a harebrained idea to go for a hike in an area where grizzly bear attacks had recently been reported

Sound is an antonym for harebrained.

Sound

Sound adjective - According to the rules of logic.
Usage example: sound reasoning alone should tell you that the result is invalid

Harebrained is an antonym for sound.

Cite this Source
Sound and Harebrained. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/harebrained/sound
Harebrained & Sound. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/harebrained/sound>.
Sound or Harebrained. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/harebrained/sound.
Google Ngram Viewer shows how "harebrained" and "sound" have occurred on timeline