put/leave one's stamp
idiom
: to affect/change something in some important way
—often + on
He put/left his stamp on the process.
Cite this Entry
“Put/leave one's stamp.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/put%2Fleave%20one%27s%20stamp. Accessed 29 Jul. 2025.
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Merriam-Webster unabridged
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