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
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
Mutual synonyms
Cite this Source
Nuts and Kooky. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/kooky/nuts
Kooky & Nuts. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/kooky/nuts>.
Nuts or Kooky. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/kooky/nuts.
Google Ngram Viewer shows how "kooky" and "nuts" have occurred on timeline