Definition of knife-edge noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈnaɪf edʒ//
; NAmE NAmE//ˈnaɪf edʒ//
[usually singular]
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  • the sharp edge of a knife
  • Idioms
    1. 1(of a situation, etc.) finely balanced between success and failure The economy is balanced on a knife-edge.
    2. 2(of a person) very worried or anxious about the result of something He’s living on a knife-edge, waiting for the test results.
    See the Oxford Advanced American Dictionary entry: knife-edge