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at one's own peril

idiom

Definition of at one's own peril

somewhat formal
: with full understanding that what one is doing is dangerous and that one is responsible for one's own safety : at one's own risk
  • No lifeguard is on duty: swim at your own peril.

Word by Word Definitions

own play

  1. : belonging to oneself or itself

  2. used to express immediate or direct kinship

  1. : to have or hold as property : possess

  2. : to have power or mastery over

  3. : to acknowledge to be true, valid, or as claimed : admit

  1. : one or ones belonging to oneself

See the full definition of own
peril play

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

  2. : something that imperils or endangers : risk

  1. : to expose to danger

See the full definition of peril

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