Dictionary.com
Thesaurus.com
Synonyms

go haywire

Cultural  

  1. To break down or cease to function properly: “Everything was going smoothly until the computer started to go haywire.”

go haywire Idioms  

  1. Become wildly confused, out of control, or crazy. For example, The plans for the party have gone haywire, or His enemies accused the mayor of going haywire. This term alludes to the wire used for bundling hay, which is hard to handle and readily tangled. [First half of 1900s]

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It makes it much easier for some immune cells to go haywire and drive excessive inflammation in the bowels.

From BBC • Jun. 5, 2024

So there's every reason to believe this trial could go haywire.

From Salon • Apr. 3, 2024

When altered by a mutation, these growth-moderating genes go haywire, producing a geyser of cancer cells as a result.

From Science Daily • Mar. 14, 2024

She tries not to let on who she is; she fails; and then, out of nowhere, things go haywire.

From New York Times • Feb. 1, 2024

Their powers tended to make electronic gadgets go haywire.

From "The Son of Neptune" by Rick Riordan

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.