Word.ws English Dictionary

zonk out

zonk out verb: to fall suddenly into a very deep sleep.

Verb

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

  1. (slang) To fall suddenly into a very deep sleep.
    • After a full day of playing, you'd think that kid would finally zonk out.

Forms of zonk out

third-person singular presentzonks out
present participlezonking out
past participlezonked out
pastzonked out
alternative formzoink out

Questions about zonk out

What does zonk out mean?
Zonk out means to fall suddenly into a very deep sleep.
What part of speech is zonk out?
Zonk out is a verb.
What is the past tense of zonk out?
The past tense of zonk out is zonked out.

Words near zonk out in the dictionary

  1. zonite
  2. zonites
  3. zonitid
  4. zonitids
  5. zonk
  6. zonk out
  7. zonked
  8. zonked out
  9. zonkedness
  10. zonker
  11. zonkers

Source and license

Adapted from Wiktionary: zonk out (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-zonk out.ogg.

Cite this entry: “zonk out.” Word.ws, https://word.ws/zonk_out. Based on Wiktionary, CC BY-SA 4.0.