dead wrong

adjective

Utterly wrong.

Meanings

adjectivedead wrong (not comparable)

alternative dead-wrong · alternative deadwrong

  1. not comparableUtterly wrong.

    He believed, against all experience, that the world was fundamentally understandable, and that if he could only equip himself with the right mental toolbox he could take the back off and see how it worked. He was, of course, dead wrong.

    1986, Terry Pratchett, The Light Fantastic, published 2022, page 130

Origin

From dead being used as an intensifier.

Full word history & related roots →

Translations

Icelandic kolrangur
  • kolranguremphatically wrong
Cite this entry
APA

dead wrong. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/dead%20wrong

MLA

“dead wrong.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dead%20wrong. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “dead wrong,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/dead%20wrong.

Source: dead wrong on Wiktionary, CC BY-SA 4.0.