Definition of “razor-sharp” - English Dictionary

“razor-sharp” in British English

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razor-sharpadjective

uk /ˌreɪ.zəˈʃɑːp/ us /ˌreɪ.zɚˈʃɑːrp/

razor-sharp adjective (CLEVER)

If you describe someone or someone's mind as razor-sharp, you mean that that person thinks very clearly and quickly:

She's got a razor-sharp mind.

(Definition of “razor-sharp” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“razor-sharp” in American English

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razor-sharpadjective [ not gradable ]

us /ˈreɪ·zərˈʃɑrp/

very sharp:

These animals have razor-sharp teeth.

(Definition of “razor-sharp” from the Cambridge Academic Content Dictionary © Cambridge University Press)