Haywire
Haywire adjective - Having or showing a very abnormal or sick state of mind.
Usage example: she gradually went haywire after the tragic death of her husband
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
Mutual synonyms
Cite this Source
Loco and Haywire. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/haywire/loco
Haywire & Loco. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/haywire/loco>.
Loco or Haywire. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/haywire/loco.
Google Ngram Viewer shows how "haywire" and "loco" have occurred on timeline