Definition of razor-edged in US English:

razor-edged

adjective

  • See razor edge

    • ‘There was a metallic flash as the razor-edged leaves flew toward them.’
    • ‘What had once been a razor-edged, crisply focused front sight suddenly turned into a furry, indistinct, gelatin-like blob.’
    • ‘Now all you need is a razor-edged credit card and you are ready to enter the gladiatorial pit that is the Christmas sales.’
    • ‘Glass was shredded like paper into tiny, razor-edged shards.’
    • ‘He heard the distant call of a morning jay, and then his concentration funneled into razor-edged sharpness.’