zonk out

verb

To fall suddenly into a very deep sleep.

“After a full day of playing, you'd think that kid would finally zonk out.”

Meanings

verbzonk out (third-person singular simple present zonks out, present participle zonking out, simple past and past participle zonked out)

present singular third person zonks out · participle present zonking out · participle past zonked out · past zonked out · alternative zoink out

  1. slangTo fall suddenly into a very deep sleep.

    After a full day of playing, you'd think that kid would finally zonk out.

Synonyms & antonyms

verblose consciousness due to a sudden trauma, for example

Broader
change stateturn

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Bulgarian заспивам внезапно
  • заспивам внезапно (zaspivam vnezapno)fall suddenly into a very deep sleep
Dutch het bewustzijn verliezen, in diepe slaap verzinken
  • het bewustzijn verliezenfall suddenly into a very deep sleep
  • in diepe slaap verzinkenfall suddenly into a very deep sleep
Finnish sammua
  • sammuafall suddenly into a very deep sleep
German einschlafen, wegtreten
  • einschlafenfall suddenly into a very deep sleep
  • wegtretenfall suddenly into a very deep sleep
  • weg seinfall suddenly into a very deep sleep
  • das Bewusstsein verlierenfall suddenly into a very deep sleep
  • ohnmächtig werdenfall suddenly into a very deep sleep
Cite this entry
APA

zonk out. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/zonk%20out

MLA

“zonk out.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/zonk%20out. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “zonk out,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/zonk%20out.

Source: zonk out on Wiktionary, CC BY-SA 4.0.