zonk out

1. 1.

   lose consciousness due to a sudden trauma, for example

   Synonymspass outblack out

   Broaderchange state

   Narrowerfaint
2. 2.

   fall asleep fast, as when one is extremely tired

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

   Broaderfall asleep

Questions about zonk out

What does zonk out mean?

zonk out means "lose consciousness due to a sudden trauma, for example". That is the primary sense; the word has 2 in total, listed in full on this page.

What is another word for zonk out?

Close synonyms include pass out, black out. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is zonk out a common word?

zonk out is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.