1) Apt to gab 2) Apt to run on 3) Apt to yak 4) Conversational 5) Extremely talkative 6) Exclusively Anglo word 7) Exclusively Saxon word 8) Fluent 9) Friendly and talkative 10) Full of trivial conversation 11) Gabby 12) Garrulous 13) Gassy 14) Given to gab 15) Given to yap 16) Glib 17) Gossipy 18) Hardly taciturn Found on https://www.crosswordclues.com/clue/chatty
characterized by friendly and informal talk or writing, often about minor or personal matters: a long, chatty letter from my sister. · given to such talk: a lovable, chatty old man. Found on https://www.infoplease.com/dictionary/chatty