Nouns

(n)Bengali(Hinduism) a member of a people living in Bangladesh and West Bengal (mainly Hindus)
(n)Bengalian ethnic group speaking Bengali and living in Bangladesh and eastern India
(n)Bengali, Bangla, Bengali language, Bangla languagea Magadhan language spoken by the Bengali people; the official language of Bangladesh and Bengal

Adjectives

(a)Bengaliof or relating to or characteristic of Bengal or its people“Bengali hills”