Berserk
Berserk adjective - Frenzied as if possessed by a demon.
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
Mutual synonyms
Cite this Source
Kooky and Berserk. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/berserk/kooky
Berserk & Kooky. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/berserk/kooky>.
Kooky or Berserk. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/berserk/kooky.
Google Ngram Viewer shows how "berserk" and "kooky" have occurred on timeline