Similar Words to Haywire:
Amiss
Around The Bend
Awry
Balmy
Barmy
Bats
Batty
Bonkers
Buggy
Cracked
Crackers
Daft
Dotty
Fruity
Kookie
Kooky
Loco
Loony
Loopy
Nuts
Nutty
Round The Bend
Wacky
Whacky
Wrong
Examples:
1. Now, the nice thing about complicated mechanical devices is if they do suddenly go haywire .
Definitions of Haywire:
1. Wire for tying up bales of hay
2. Informal or slang terms for mentally irregular
3. Not functioning properly