Is “Chattiest” a Scrabble word?
Yes
CHATTIEST
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Chattiest
adjective
1.Of a person, chatting a lot or fond of chatting.
2.Of a text or speech, expressed in a conversational style.
3.Supplying more information than necessary; verbose.
“Chatty error messages may help attackers to compromise your server.”
adjective
1.Infested with lice; or, dirty, worn or of poor quality; lousy.