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Word History
Etymology
probably from Edward A. Murphy †1990 American engineer
First Known Use
1951, in the meaning defined above
Dictionary Entries Near Murphy's Law
Cite this Entry
“Murphy's Law.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Murphy%27s%20Law. Accessed 23 Nov. 2024.
Kids Definition
Murphy's Law
noun
Mur·phy's Law
ˈmər-fēz-
: an observation that anything that can go wrong will go wrong
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Merriam-Webster unabridged
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