Colloquial Variant guide

zonk out

verb · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

verb

Meaning 1

To fall suddenly into a very deep sleep.

Definition source: English Wiktionary via Wiktextract

Usage: slang

Examples

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

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

fall asleep fast, as when one is extremely tired

Definition source: Princeton WordNet 3.0

Examples

  • after the long drive, we zonked out and slept for 10 hours

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: fall asleep, dope off, flake out, drift off, nod off, drop off, doze off, drowse off

3

verb

Meaning 3

lose consciousness due to a sudden trauma, for example

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: pass out, black out

Antonyms: none provided

Broader terms: change state, turn

Narrower terms: faint, conk, swoon, pass out

History

Etymology

No etymology was provided for this word.

Across languages

Translations

9 source translations are retained for this English entry.

  • Bulgarian: заспивам внезапно (zaspivam vnezapno) — fall suddenly into a very deep sleep
  • Dutch: het bewustzijn verliezen — fall suddenly into a very deep sleep
  • Dutch: in diepe slaap verzinken — fall suddenly into a very deep sleep
  • Finnish: sammua — fall suddenly into a very deep sleep
  • German: einschlafen — fall suddenly into a very deep sleep
  • German: wegtreten — fall suddenly into a very deep sleep
  • German: weg sein — fall suddenly into a very deep sleep
  • German: das Bewusstsein verlieren — fall suddenly into a very deep sleep
  • German: ohnmächtig werden — fall suddenly into a very deep sleep