HopiPronunciation: /ˈhəʊpi/Definition of Hopi noun (plural same or Hopis) 1a member of a Pueblo Indian people living chiefly in NE Arizona. 2 [mass noun] the Uto-Aztecan language of the Hopi, with around 2,000 speakers. adjective relating to the Hopi or their language. Origin:the name in HopiHopi in other Oxford dictionaries Definition of Hopi in the US English dictionary