extraordinary

Concise Oxford English Dictionary © 2008 Oxford University Press:
extraordinary /ɪkˈstrɔːd(ə)n(ə)ri, ɛk-, ˌɛkstrəˈɔːdɪn(ə)ri/

▶adjective

• 1 very unusual or remarkable.

• 2 (of a meeting) specially convened.

  ■ [postpos.] (of an official) specially employed: Ambassador Extraordinary.

– derivatives
extraordinarily adverb,
extraordinariness noun.

– origin ME: from L. extraordinarius, from extra ordinem ‘outside the normal course of events’.