Mr. Nice Guy
noun
informal
: a man who treats people kindly : a nice man
—used chiefly in the phrase no more Mr. Nice Guy
I'm tired of the way they treat me. From now on, no more Mr. Nice Guy!
Cite this Entry
“Mr. Nice Guy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Mr.%20Nice%20Guy. Accessed 4 Jul. 2025.
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