Chatty means fond of easy friendly talk. A chatty neighbour, feeling chatty, a chatty email.
Of writing it means informal and personal rather than talkative, so a chatty style is one that sounds like speech. It is warm in most uses, though calling a report chatty is a criticism.
1adjectivechattyFond of easy friendly talk.
“The taxi driver was very chatty and told us his whole life story.”
chatty is a quality.
From chat + -y.
Etymology from Wiktionary, CC BY-SA