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Definition of haywire

haywire

/ˈheɪˌwaɪ.ər/
hay · wire

Plural:haywires
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haywire Lexical Profile

haywire Game Scores & Validity

• adjective

1

Erratic, disorganized, or out of control; functioning improperly or unpredictably.

Example

"The navigation system went completely haywire during the solar storm, forcing the crew to rely on manual instruments."

Synonyms
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Antonyms
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• adverb

1

Into a state of disorder, malfunction, or erratic behavior.

Example

"Once the main server crashed, the entire scheduling network began acting haywire."

Synonyms
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Antonyms
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• noun

1

Soft, pliable metal wire used for binding bales of hay or straw.

Example

"The rancher used a length of old haywire to temporarily fasten the broken gate latch."

Word Nuance & Usage

Most commonly used as a predicate adjective or adverb in the idiomatic phrase 'go haywire', indicating a sudden loss of control or mechanical malfunction.

Word Origin & Etymology

Coined in late 19th-century American English from 'hay' and 'wire', referring to the soft, easily tangled wire used to bind bales of hay; because loggers and farmers frequently reused it for makeshift repairs, it came to symbolize anything poorly maintained, chaotic, or out of control.

Cite this Entry


Wordmom. (2026). Definition of Haywire. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/haywire
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