at one's own peril
idiom
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.
Examples of at one's own peril in a Sentence
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Once again, the stealthy cookie-baking warrior is to be underestimated at one's own peril.
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Dalton Ross, EW.com, 18 July 2022
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Dalton Ross, EW.com, 18 July 2022
Cite this Entry
“At one's own peril.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/at%20one%27s%20own%20peril. Accessed 5 Jul. 2025.
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