Definition of 'cutting edge'

Noun

1. the position of greatest importance or advancement; the leading position in any movement or field; "the Cotswolds were once at the forefront of woollen manufacturing in England"; "the idea of motion was always to the forefront of his mind and central to his philosophy"
      Synonyms: vanguard forefront
2. the sharp cutting side of the blade of a knife
      Synonyms: knife edge

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