Definition of razor edge in English:

razor edge

(also razor's edge)

noun

  • 1A sharp edge of a knife, ax, or similar implement.

    • ‘As he did with all of his knives he had sharpened the blade to a razor edge.’
    • ‘Smite chuckled and tickled Mecha's neck with the razor edge of the cutlass.’
    • ‘The razor edge nipped Adam on the cheek just below his eye.’
    • ‘Her sword and daggers were polished and honed to a razor edge.’
    • ‘The Samurai whirled and swung with lightning speed and the razor edge of the sword cut nice and neatly down the point.’
    1. 1.1the razor edge The most advanced stage in the development of something; the cutting edge.
      ‘in 1960 jet planes were the razor edge of chic’
    2. 1.2 A state of sharp incisiveness.
      ‘he had honed his mind to a razor edge’
      • ‘Would the preternatural rip-rocking San Diego punk heroes lose their razor edge, get sensitive, do a ballad maybe?’
      • ‘Eight years as a street cop and another three in NYPD's Protective Services Division had honed Derek's survival instincts to a razor's edge.’

Phrases

  • on the razor's edge

    • In a precarious or dangerous position.

      ‘it is commonplace to believe that Finns live on the razor's edge, at the mercy of their powerful neighbor’