chat·ty I. \ˈchad.ē, -atē, -i\adjective (often-er/-est) 1.: given to chat : informal, friendly, and talkative < a chatty woman > 2.: being or resembling chat < a chatty letter > < a chatty magazine article > II. noun alsochat·ti\“\ (pluralchattiesalsochattis) Etymology: Tamil-Malayalam caṭṭi : an earthenware water jar used in India