couldn't

/ˈkʊd.n̩t/US[ˈkʊɾ.n̩ʔ][ˈkʊ̃ʔ]Yorkshire[ˈkʊnʔ]

verb

Could not (negative auxiliary).

“You couldn’t lend me a lighter, could you?”

OriginEnglish n’t ← Middle English not ← Old English *nōht →
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Meanings

verb
  1. Could not (negative auxiliary).

    You couldn’t lend me a lighter, could you?

    1 more example

    ‘Would you like another drink?’ ‘No thanks, I couldn’t.’

Origin

  1. Englishcould
  2. Proto-Indo-European*né
  3. Proto-Germanic*ne
  4. Proto-West Germanic*ne
  5. Proto-Indo-European*h₂ey-
  6. Proto-Indo-European*h₂óyu
  7. Proto-Germanic*aiwaz
  8. Proto-West Germanic*aiw
  9. Proto-West Germanic*naiw
  10. Proto-Indo-European*wekʷ-
  11. Proto-Indo-European*wékʷtisder.?
  12. Proto-Indo-European*weǵʰ-
  13. Proto-Indo-European*wéǵʰtisder.?
  14. Proto-Germanic*wihtą
  15. Proto-West Germanic*wiht
  16. Proto-West Germanic*naiwwiht
  17. Old Englishnāwiht
  18. Old English*nōht
  19. Middle Englishnought
  20. Middle Englishnot
  21. Englishnot
  22. Englishn’t
  23. Englishcouldn't

From could + n’t.

Full word history & related roots →

Rhymes & wordplay

Sounds the same

cunt
Cite this entry
APA

couldn't. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/couldn't

MLA

“couldn't.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/couldn't. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “couldn't,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/couldn't.

Source: couldn't on Wiktionary, CC BY-SA 4.0.