1. phrasal verb If you walk out of a meeting, a performance, or an unpleasant situation, you leave it suddenly, usually in order to show that you are angry or bored. [V P + of] ⇒ Several dozen councillors walked out of the meeting in protest. [V P] ⇒ Mr. Mason walked out during the performance. 2. phrasal verb If someone walks out on their family or their partner, they leave them suddenly and go to live somewhere else. [V P + on] ⇒ Her husband walked out on her. [V P] ⇒ She had walked out and gone to live in Bath with her granny. 3. phrasal verb → walk If workers walk out, they stop doing their work for a period of time, usually in order to try to get better pay or conditions for themselves. [V P] ⇒ Nationwide industrial action began earlier this week, when staff at most banks walked out.
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