walk out

Short definition from Wiktionary

Verb

1. 1
   To stage a walkout or strike.
2. 2
   To leave suddenly, especially as a form of protest.
3. 3
   To go out with; to be romantically involved.
4. 4
   To go for a walk outdoors; to go out.
5. 5
   To accompany (someone) as they leave a house or other building.
6. 6
   To continue or persist in carrying (something) out or following through (with something); to persevere.
7. 7
   To step away with when carrying the weight in order not to hit the rack it was lifted off from during execution of the exercise.

Noun

1. 1
   Alternative form of walkout