haywire 1 of 2

adjective

ˈhā-ˌwī(-ə)r How to pronounce haywire (audio)
Definition of haywirenext
1
as in down
not being in working order The website went haywire when it was overloaded with visitors seeking tickets.

Synonyms & Similar Words

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Antonyms & Near Antonyms
2
as in mad
unable to think in a clear or sensible way She gradually went haywire with grief after the tragic death of her husband.

Synonyms & Similar Words

Antonyms & Near Antonyms

haywire

2 of 2

adverb

as in uncontrollably

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of haywire
Adverb
Robot meltdown — The LLMs also sometimes went haywire in unexpected ways. — Billy Perrigo, Time, 28 Oct. 2025 The Baltimore Orioles' season went haywire fast after a disappointing offseason that saw ace Corbin Burnes walk, and with no real replacement added to their pitching staff. — Hunter Mulholland, MSNBC Newsweek, 22 Oct. 2025
Recent Examples of Synonyms for haywire
  1. down
  2. mad
  3. uncontrollably
  4. malfunctioning
  5. psychotic
  6. crazily
  7. broken
  8. insane
Adjective
  • The bedspread gives you all of the fluffy loft without risking overheating, thanks to its breathable down-alternative fill and box-stitch design that keeps it evenly distributed.
    — Better Homes & Gardens, Better Homes & Gardens, 27 Aug. 2026
  • Atwell is a hometown hero from his high school days as a quarterback for Miami Northwestern High, leading the storied football program back to a state championship as a senior after a down stretch of seasons.
    — David Furones, Sun Sentinel, 27 Aug. 2026
Definition of down
Adjective
  • But throughout that, and much more important than the rivalry and being mad at each other or whatever, is just this absolute unending love.
    — Yvonne Villarreal, Los Angeles Times, 28 Aug. 2026
  • What mad honey does to the human body When a human eats more than about a teaspoon of this honey, the toxin interferes with how the heart muscle generates its electrical signals.
    — Prayan Pokharel, The Conversation, 27 Aug. 2026
Definition of mad
Adverb
  • Meanwhile, wildfires have been blazing uncontrollably, most notably this week in the New Forest in southern England.
    — ABC News, ABC News, 13 Aug. 2026
  • Hydroplaning occurs when a vehicle begins to slide uncontrollably on wet roads.
    — CA Weather Bot, Sacbee.com, 15 July 2026
Definition of uncontrollably
Adjective
  • Homeowners reported a swift meeting at which officers discussed a reorganization of their specific duties and the hiring of an elevator expert to fix the chronically malfunctioning, overloaded elevators.
    — Linda Robertson, Miami Herald, 15 Aug. 2026
  • Watching the first episode of Ultimate Girl’s Trip is like riding in a malfunctioning time machine.
    — Brian Moylan, Vulture, 10 Aug. 2026
Definition of malfunctioning
Adjective
  • But a poor reaction to her recovery medication kicked off a psychotic episode.
    — CT Jones, Rolling Stone, 26 Aug. 2026
  • Psychiatric disorders are generally divided into mood disorders and psychotic disorders, Osborne said; postpartum psychosis is a mood disorder, in which mood symptoms accompany psychotic symptoms.
    — Jen Christensen, CNN Money, 13 Aug. 2026
Definition of psychotic
Adverb
  • And when Andreeva hits one of her crazily creative shots and turns to Martínez for praise, she is met with a smile, and maybe some clapping.
    — Matthew Futterman, New York Times, 4 June 2026
  • The scene used one of the film’s funniest visual gags, an apartment so crazily tilted that nobody inside it could stand up straight.
    — Emily Nussbaum, New Yorker, 17 May 2026
Definition of crazily
Adjective
  • Casper Kelly, the delightfully skewed sensibility behind Adult Swim’s ‘Too Many Cooks,’ makes a first theatrical feature that feels like a broken time loop.
    — Robert Abele, Los Angeles Times, 28 Aug. 2026
  • Mass spectrometry revealed that the broken containers had once held something containing the chemical compounds theobromine, theophylline, caffeine, and paraxanthine.
    — ArsTechnica, ArsTechnica, 27 Aug. 2026
Definition of broken
Adjective
  • The new season has been absolutely insane through four episodes as the hunt to save Joe (Zoe Saldaña) from her kidnappers is underway.
    — David Hookstead OutKick, FOXNews.com, 25 Aug. 2026
  • If Gigi is malintentioned and insane and a homewrecker, there’s no story, right?
    — Hilary Lewis, HollywoodReporter, 25 Aug. 2026
Definition of insane

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hazard
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Cite this Entry

“Haywire.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/haywire. Accessed 2 Sep. 2026.

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