This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. comparative form of chatty: more chatty

"In a three-hour private training session last week, Banks was advised to change his shirts, talk more often about his tough childhood and be "chattier" if he wants to win the super-mayoralty in October."