at one's own peril
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.
From the M-W Editors
Word by Word Definitions
ownplay
: used to express immediate or direct kinship
: to have or hold as property : possess
: to have power or mastery over
: to acknowledge to be true, valid, or as claimed : admit
See the full definition of own
perilplay
: exposure to the risk of being injured, destroyed, or lost : danger
: something that imperils or endangers : risk
: to expose to danger
See the full definition of peril
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