Inclined to chat; friendly and talkative.(adjective)
Full of or in the style of light informal talk: a chatty letter. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "chatty" in a sentence
"Parallel is not "chatty" - for example, it doesn't report progress or partial results."
"For instance, Dick Grayson has since come to be known as the chatty one, and when he's talking to Damian I more take it as him explaining why Bruce was okay with it and didn't stop his natural chattiness than why Bruce would encourage it."
"This is what Lady MacDonald would term a chatty little incident; and my hair begins to rise as I remember what I have been told about those Fans and the indications I have already seen of its being true when on the Upper Ogowe."