at one's peril

Definition of at one's peril

somewhat formal

  1. —used to say that if one does something there could be bad consequences Restaurants that ignore the smoking ban do so at their peril.

Word by Word Definitions

  1. :  exposure to the risk of being injured, destroyed, or lost :  danger

    :  something that imperils or endangers :  risk

  1. :  to expose to danger

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