stake one's life on (something)
idiom
: to be absolutely sure of (something)
That's the man who robbed the bank. I would stake my life on it.
Cite this Entry
“Stake one's life on (something).” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stake%20one%27s%20life%20on%20%28something%29. Accessed 30 Oct. 2025.
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Merriam-Webster unabridged
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