HindiPronunciation: /ˈhɪndi/Translate Hindi | into Spanish Definition of Hindi noun [mass noun] the most widely spoken language of northern India, with over 200 million speakers; one of the official languages of India. It is an Indic language derived from Sanskrit and is written in the Devanagari script. adjective relating to Hindi. Origin:from Urdu hindī, from Hind 'India'Hindi in other Oxford dictionaries Definition of Hindi in the US English dictionary