#1 talkative s. [chatty, gabby, garrulous, loquacious, talky] full of trivial conversation; "kept from her housework by gabby neighbors". wn
#2 talkative s. [bigmouthed, blabbermouthed, blabby] unwisely talking too much. wn
#3 talkative s. [expansive] friendly and open and willing to talk; "wine made the guest expansive". wn
vizzz