Longman Dictionary of Contemporary English homepage

Date: 1900-2000
Origin: From the use of hay-tying wire for quick repairs

haywire

adjective
     
hay‧wire

go haywire

informal to start working in completely the wrong way:
My computer's gone haywire.

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary