- 1(informal) a dishonest person synonym criminal That salesman is a real crook.
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- 2crook of your arm/elbow the place where your arm bends at the elbow He was carrying a gun in the crook of his arm.
- 3a long stick with a hook at one end, used especially in the past by shepherds for catching sheep Idioms
using any method you can, even a dishonest one
Check pronunciation: crook