North American informal Fall asleep or lose concentration or consciousness: I just zoned out for a moment
More example sentences
- Liz was already sitting there, front row centre among the geeks, yet she seemed to have, once again, zoned out and fallen asleep.
- He sings Otis Redding's ‘Try a Little Tenderness’ and it's so boring I zone out and my eyeballs fall out.
- This does more harm than good, as we tend to lose the thread and zone out.
Definition of zone out in:
- The British & World English dictionary