Entry 3 senses · 2 variants Webster, 1913 Hindustani · IPA adj. n. 01 adj. of or pertaining to Hindustan or its inhabitants. 1. of or pertaining to Hindustan or its inhabitants. 02 n. a native or inhabitant of Hindustan or India. 1. a native or inhabitant of Hindustan or India. 2. a form of Hindi spoken around Delhi. See Hindoostanee. See: Hindoostanee Syn. Hindu, Hindoo. — Syn. -- Hindoostani, Hindoostanee, Hindostani.