if it ain't broke, don't fix it
proverbial saying
informal
—used to say that one should not try to change something that is working well
Cite this Entry
“If it ain't broke, don't fix it.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/if%20it%20ain%27t%20broke%2C%20don%27t%20fix%20it. Accessed 4 Nov. 2025.
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Merriam-Webster unabridged
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