copacetic
1 antonym for copacetic — opposites grouped by meaning.
Adjective — (informal) Completely fine, satisfactory, or in good order.
Antonyms
Etymology
Origin disputed — one theory credits novelist Irving Bacheller with coining it in 1919; another links it to African American vernacular of the early 20th century, popularized in part by dancer Bill "Bojangles" Robinson. No single explanation is proven.
Full origin of copacetic →