knife edge Definition
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knife edge
noun
- 1. The cutting edge of a knife.
2. Any sharp edge or sharp-edged ridge.
3a. A sharp edge, eg of a piece of steel, that serves as the axis of a balance, etc;
3b. Delicately poised on the edge of danger.
- Example: a knife-edge decision
- In a state of extreme uncertainty; at a critical point.
