Crackbrained and Wise

Crackbrained

Crackbrained adjective - Having or showing a very abnormal or sick state of mind.
Usage example: had the crackbrained idea that he was receiving radio signals from outer space

Wise is an antonym for crackbrained.

Wise

Wise adjective - Having or showing deep understanding and intelligent application of knowledge.

Crackbrained is an antonym for wise.

Nearby Words: wisely, wised
Cite this Source
Wise and Crackbrained. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/crackbrained/wise
Crackbrained & Wise. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/crackbrained/wise>.
Wise or Crackbrained. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/crackbrained/wise.
Google Ngram Viewer shows how "crackbrained" and "wise" have occurred on timeline