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
Nuts and crackbrained are semantically related. In some cases you can use "Nuts" instead an adjective "Crackbrained".
Nuts
Nuts adjective - Having or showing a very abnormal or sick state of mind.
Usage example: the bizarre rantings in the notes left behind by the serial killer convinced the police that the guy was nuts
Crackbrained and nuts are semantically related. Sometimes you can use "Crackbrained" instead an adjective "Nuts".
Mutual synonyms
Related pairs
Cite this Source
Nuts and Crackbrained. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/crackbrained/nuts
Crackbrained & Nuts. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/crackbrained/nuts>.
Nuts or Crackbrained. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/crackbrained/nuts.
Google Ngram Viewer shows how "crackbrained" and "nuts" have occurred on timeline