Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Murphy's Law

noun

Definition of Murphy's Law

  1. :  an observation: anything that can go wrong will go wrong



Origin of murphy's law

probably from Edward A. Murphy †1990 American engineer


First Known Use: 1951


Seen and Heard

What made you want to look up Murphy's Law? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to dishevel or rumple

Get Word of the Day daily email!