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
Kooky and crackbrained are semantically related. In some cases you can use "Kooky" instead an adjective "Crackbrained".
Kooky
Kooky adjective - Having or showing a very abnormal or sick state of mind.
Usage example: if you think that drugs aren't bad for you, you haven't met that guy's kooky friends
Crackbrained and kooky are semantically related. Sometimes you can use "Crackbrained" instead an adjective "Kooky".
Mutual synonyms
Related pairs
Cite this Source
Kooky and Crackbrained. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/crackbrained/kooky
Crackbrained & Kooky. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/crackbrained/kooky>.
Kooky or Crackbrained. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/crackbrained/kooky.
Google Ngram Viewer shows how "crackbrained" and "kooky" have occurred on timeline