WordWeb Online

1. Beyond what is ordinary or usual; highly unusual or exceptional or remarkable; special
   "extraordinary authority"; "an extraordinary achievement"; "her extraordinary beauty"; "enjoyed extraordinary popularity"; "an extraordinary capacity for work"; "an extraordinary session of the legislature"
    
2. Far more than usual or expected
   "an extraordinary desire for approval";
   - over-the-top, sinful
    
3. (of an official) serving an unusual or special function in addition to those of the regular officials
   "an ambassador extraordinary"

See also: awful, bonza [Austral, NZ, informal], bonzer [Austral, NZ, informal], epic [slang], exceeding, exceptional, extraordinaire, fantastic, frightful, grand, great, heavenly [informal], howling [informal], immoderate, impressive, incomparable, magnificent, marvellous [Brit, Cdn], marvelous [US], mundaneness, mundanity, olympian, one [informal], ordinariness, phenomenal, preternatural, prodigious, pyrotechnic, rare, rattling [informal], remarkable, right [informal], singular, some, special, superior, surpassing, terrible, terrific, tremendous, uncanny, uncommon, uncomparable, unusual, wonderful, wonderworking, wondrous

Antonym: ordinary

Encyclopedia: Extraordinary