chat·ty 
/ˈtʃæti/ adjective
chat·ti·er; chat·ti·est /ˈtʃæti/ adjective 1 : tending to talk a lot : fond of chatting
▪ a chatty neighbor ▪ I'm feeling chatty today. 2 : having an informal style that is similar to friendly speech
▪ a chatty book about his life in politics ▪ She writes with a chatty [=casual] style.
▪ a chatty neighbor ▪ I'm feeling chatty today.
▪ a chatty book about his life in politics ▪ She writes with a chatty [=casual] style.
— chat·ti·ly /ˈtʃætəli/ adverb [more chattily; most chattily]
▪ She remarked chattily about the weather.
/ˈtʃætəli/ adverb [more chattily; most chattily] ▪ She remarked chattily about the weather.
— chat·ti·ness noun [noncount]
▪ He was known for his chattiness.
▪ He was known for his chattiness.
