Crackbrained and Witless

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

Witless and crackbrained are semantically related. In some cases you can use "Witless" instead an adjective "Crackbrained".

Witless

Witless adjective - Not having or showing an ability to absorb ideas readily.

Crackbrained and witless are semantically related. Sometimes you can use "Crackbrained" instead an adjective "Witless".
Cite this Source
Witless and Crackbrained. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/crackbrained/witless
Crackbrained & Witless. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/crackbrained/witless>.
Witless or Crackbrained. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/crackbrained/witless.
Google Ngram Viewer shows how "crackbrained" and "witless" have occurred on timeline