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- DictionaryCut·ting edge/ˌkədiNG ˈej/
noun
- 1. the edge of a tool's blade: "tools with cutting edges should be kept sharp"
- 2. the latest or most advanced stage in the development of something: "researchers at the cutting edge of molecular biology"
adjective
- 1. at the latest or most advanced stage of development; innovative or pioneering: "cutting-edge technology"