Crackbrained and Cuckoo

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

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

Cuckoo

Cuckoo adjective - Having or showing a very abnormal or sick state of mind.
Usage example: a cuckoo woman who wandered around town carefully gathering up useless trash

Crackbrained and cuckoo are semantically related. Sometimes you can use "Crackbrained" instead an adjective "Cuckoo".

Nearby Word: cuckooing
Cite this Source
Cuckoo and Crackbrained. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/crackbrained/cuckoo
Crackbrained & Cuckoo. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/crackbrained/cuckoo>.
Cuckoo or Crackbrained. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/crackbrained/cuckoo.
Google Ngram Viewer shows how "crackbrained" and "cuckoo" have occurred on timeline