Entry 1 sense Webster, 1913 Hain't /(hānt)/ · IPA /heɪnt/ 01 A contraction of have not or has not; as, I hain't, he hain't, we hain't. 1. A contraction of have not or has not; as, I hain't, he hain't, we hain't.[Colloq. or illiterate speech.]