leave well alone
idiom
British
: to stop changing something that is already good enough
He just doesn't know when to leave well alone.
Cite this Entry
“Leave well alone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leave%20well%20alone. Accessed 14 May. 2025.
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Merriam-Webster unabridged
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