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to zonk out

to zonk out

2 8.3
To fall asleep or pass out very quickly because you are very tired
  • phrasal verb
  • /zɔŋk aʊt/
  • Informal
translation icon : quedarse dormido
  • After the exhausting hike, we all zoned out for a few hours to recharge.

Examples

  • Once the movie started, he zonked out within ten minutes and missed the entire story.

  • She, uh, is zonked out on pain meds, poor thing.

  • I zonked out for a couple of hours; look what I missed!

    Blog text (34)
  • I was zonked out by then.

    Blog text (10)
  • "Did some singing for a while, then zonked out.

    Fiction book (1991)
  • I watched a little television and then zonked out.

    Blog text (31)
  • I put my head down on my pillow and I am fast asleep, zonked out in five minutes flat, less if I have done yoga that day.

    Blog text (2)
  • After a long day at work, I sat on the couch and quickly zonked out without even realizing it.

Synonyms

to pass out
vsto zonk out
188 3.7

To faint or lose consciousness suddenly

also covers sudden sleep from extreme tiredness as well as fainting
to black out
vsto zonk out
46 5.4

To suddenly lose consciousness for a short time

is due to extreme tiredness rather than external injury or shock
to doze
vsto zonk out
43 2.3

To sleep lightly for a short time without meaning to

is a fast, deep collapse into sleep or unconsciousness from severe tiredness
to doze off
vsto zonk out
  • Informal
35 2.7

To fall asleep for a short time without meaning to

is sudden and more complete, often from overwhelming tiredness rather than light unplanned sleep
to drift off
vsto zonk out
23 3.8

To slowly fall asleep without meaning to

is sudden and immediate, a quick loss of consciousness or sleep from extreme tiredness
to nod off
vsto zonk out
  • Informal
12 4.1

To fall asleep for a short time without meaning to

is a faster, deeper collapse into sleep or unconsciousness from great tiredness
to conk out
vsto zonk out
  • Informal
7 8.1

To stop working suddenly or to fall asleep because of tiredness

is strictly about sudden human sleep or unconsciousness from extreme tiredness
to drop off
vsto zonk out
  • Informal
5 3.0

To fall asleep for a short time, often without meaning to

is a sudden deep sleep or loss of consciousness caused by extreme tiredness
to hit the pillow
vsto zonk out
  • Informal
4 3.7

To go to bed and fall asleep quickly because you are tired

is a sudden unplanned collapse into sleep or unconsciousness from extreme tiredness
to nod out
vsto zonk out
  • Informal
2 7.9

To fall asleep by accident because you are very tired

is faster, meaning an immediate collapse into sleep or unconsciousness from extreme tiredness
to flake out
vsto zonk out
  • Informal
1 7.6

To fall asleep suddenly because you are very tired

is broader, including sudden loss of consciousness as well as sleep from exhaustion
to drowse off
vsto zonk out
5.5

To begin to fall asleep without meaning to

is abrupt and fast, meaning a sudden collapse into sleep or unconsciousness
to catch some z's
vsto zonk out
  • Informal
8.9

To sleep for a short time

is a sudden, often involuntary collapse into sleep or unconsciousness from extreme tiredness

Antonyms

1.0

To stop sleeping or make someone else stop sleeping

to stay up
  • Informal
253 2.4

To be awake later than usual

How Fast

to pass out
188 3.7
to zonk out
  • Informal
2 8.3
to nod off
  • Informal
12 4.1
to doze off
  • Informal
35 2.7
to fall asleep
376 1.0

Surface Forms

zonk out infinitive
zonked out past
zonked out past participle
zonking out present participle
zonks out third person singular

Morphology

zonk + out

The verb 'zonk' is slang/onomatopoeic and is not a predictable, dictionary-derived lexical item, while 'out' only adds a general sense of completeness or unconsciousness. The combined meaning 'to fall asleep or lose consciousness quickly' is an informal, language-specific usage that cannot be reliably derived from the parts by a B1 learner, so the expression is idiomatic and unpredictable.

Etymology

Zonk out probably comes from comic-book sound words like zonk for a hard hit and the word out for being unconscious. Imagine a cartoon 'ZONK!' and someone falling down — that picture explains why zonk out means 'to fall asleep' or 'to lose consciousness' from extreme tiredness.