adjective \ik-ˈstrr-də-ˌner-ē, ˌek-strə-ˈr-\

: very unusual : very different from what is normal or ordinary

: extremely good or impressive

Full Definition of EXTRAORDINARY

a :  going beyond what is usual, regular, or customary <extraordinary powers>
b :  exceptional to a very marked extent <extraordinary beauty>
c of a financial transaction :  nonrecurring
:  employed for or sent on a special function or service <an ambassador extraordinary>
ex·traor·di·nari·ly \ik-ˌstrr-də-ˈner-ə-lē, ˌek-strə-ˌr-\ adverb
ex·traor·di·nari·ness \ik-ˈstrr-də-ˌner-ē-nəs, ˌek-strə-ˈr-\ noun


  1. The researchers made an extraordinary discovery.
  2. The race is an extraordinary event.
  3. A polymer based on the elastic protein that enables fleas to perform their extraordinary jumping feats has been synthesized. The material … is, perhaps unsurprisingly, rubbery and highly resilient; indeed, some of its properties exceed those of a material used to make bouncy balls for the playground. —Rosamund Daw, Nature, 13 Oct. 2005


Middle English extraordinarie, from Latin extraordinarius, from extra ordinem out of course, from extra + ordinem, accusative of ordin-, ordo order
First Known Use: 15th century


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