Murphy's law

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Murphy's law¹

Where it comes from

Named after Edward A. Murphy Jr. (1918–1990), a development engineer who worked for a brief time on the rocket-sled experiments of the United States Air Force in 1948.

proper noun Murphy's Law

  1. An adage which states that if anything can go wrong, then it will. I ran into the perfect exemplification of “Murphy's law” at one university, where everything that could go wrong did!

    Similar: Sod's law, Finagle's law

Murphy's Law²

proper noun

  1. Alternative letter-case form of Murphy's law

Translations

Every language

name adage which states that if anything can go wrong it will

Españolley de Murphy
한국어머피의 법칙 meopiui beopchik
日本語マーフィーの法則 Māfī-no hōsoku
中文摩菲定理 Mófēi dìnglǐ, 墨菲定律 Mòfēi dìnglǜ
PortuguêsLei de Murphy
Françaisloi de Murphy
DeutschMurphys Gesetz
Ελληνικάνόμος του Μέρφυ nómos tou Mérfy
Русскийзако́н по́длости zakón pódlosti, зако́н Мёрфи zakón Mjórfi

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MLA

"Murphy's law." Wiktionary, via Micwyn, micwyn.com/word/murphy's%20law. Accessed 6 Nov. 2026.

APA

Murphy's law. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/murphy's%20law

Chicago

"Murphy's law." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/murphy's%20law.

BibTeX
@misc{murphy_s_law_2026,
  title = {Murphy's law},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/murphy's%20law},
  urldate = {2026-11-06}
}