Meaning : Full of trivial conversation.
Example :
Kept from her housework by gabby neighbors.
Synonyms : chatty, gabby, garrulous, loquacious, talky
Meaning : Unwisely talking too much.
Synonyms : bigmouthed, blabbermouthed, blabby
Meaning : Friendly and open and willing to talk.
Example :
Wine made the guest expansive.
Synonyms : expansive