Pronunciation (US) IPA (key): /ˈtʃæti/ or [ˈtʃæɾi] Audio (UK)(file) Adjective Positive chatty Comparative chattier Superlative chattiest (informal) If a person is chatty, they like to talk a lot. Synonym: talkative Related words chat Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads