Definition of set-up noun from the Oxford Advanced Learner's Dictionary



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