BihariPronunciation: /bɪˈhɑːri/Definition of Bihari noun 1a native or inhabitant of Bihar. 2 [mass noun] a group of three closely related Indic languages (Bhojpuri, Maithili, and Magahi) spoken principally in Bihar. adjective relating to Bihar, its peoples, or their languages. Origin:from Hindi BihārīBihari in other Oxford dictionaries Definition of Bihari in the US English dictionary