walk out phrasal verb ( see also ↑ walk )
1 . to leave a place suddenly, especially because you disapprove of something:
The play was awful and we walked out after half an hour.
walk out of
the issue that led to the US walking out of the trade talks this week
2 . to leave your husband, wife etc suddenly and go and live somewhere else:
Her husband walked out, leaving her with three children to look after.
walk out on
Five years later she walked out on Matthew and their two boys.
3 . to leave your job suddenly because you no longer want to do it:
We’re so short-staffed. I can’t just walk out.
walk out of
If you can afford to walk out of your job, why not?
4 . to stop working as a protest:
Workers are threatening to walk out if an agreement is not reached.