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Murphy's Law
noun
- the facetious proposition that if something can go wrong, it will.
Murphy's Law
- A rule that states, “If something can go wrong, it will.” An addition to this law reads, “and usually at the worst time.” The identity of “Murphy” is unknown, but the saying was first used during the 1940s and may have originated with members of the armed forces in World War II .
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Word History and Origins
Origin of Murphy's Law1
An Americanism dating to 1950–55; named after Edward A. Murphy, Jr., (1918–90), an American aerospace engineer who worked on safety systems
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Word History and Origins
Origin of Murphy's Law1
C20: of uncertain origin
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Idioms and Phrases
If anything can go wrong, it will, as in We may think we've covered all the details for the benefit, but remember Murphy's law . The identity of Murphy, if ever a real person, is unknown. Some think it alludes to (but was not invented by) a feckless Irishman named Murphy. [c. 1940]Advertisement
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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