- 1a way of organizing something; a system I've only been here a couple of weeks and I don't really know the setup. What's the setup in your family—who does the cooking?
- 2a situation in which someone tricks you or makes it seem as if you have done something wrong He didn't steal the goods. It was a setup.
NAmE//ˈsɛt̮ʌp//[usually singular] (informal)