A cycle in which employees do not remain in a position for more than a short amount of time before they leave, thus requiring the position to be filled frequently. Likened to a revolving door in front of a building where people can come and go at the same time. Primarily heard in US.

What does it mean if something is a revolving door?

If you say that a situation is a revolving door, you mean that people or other things are continuously coming and going, rather than staying somewhere: The department was a revolving door for top leaders, as 10 directors came and went over a dozen years.

What is the revolving door metaphor?

The metaphor of a revolving door has been used to describe people switching jobs, from working as lawmakers, to being lobbyists, and vice versa.