haywire
🇺🇸
/ˈheɪwaɪər/
🇬🇧
/ˈheɪwaɪə(r)/
Not working right or behaving in a crazy, hard-to-predict way.
The computer went haywire and started making strange noises.
Completely messed up or in disarray.
The office was haywire after the surprise inspection.
To make something stop working or get all mixed up.
The power outage haywired the computer system.