Crackbrained and Loco

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

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

Loco

Loco adjective - Having or showing a very abnormal or sick state of mind.
Usage example: that dog's plumb loco, just running around in circles all day long

Crackbrained and loco are semantically related. Sometimes you can use "Crackbrained" instead an adjective "Loco".
Cite this Source
Loco and Crackbrained. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/crackbrained/loco
Crackbrained & Loco. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/crackbrained/loco>.
Loco or Crackbrained. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/crackbrained/loco.
Google Ngram Viewer shows how "crackbrained" and "loco" have occurred on timeline