adjective

excessively or annoyingly talkative.

we scientists are an incurably gabby lot

talkative,chatty,loquacious,garrulous,voluble,conversational,gossipy,gossiping,chattery,chattering,babbling,blathering,gibbering,communicative,long-winded,wordy,verbose,profuse,prolix,rambling,gushing,effusive,mouthy,big-mouthed,with the gift of the gab,yakking,gassy,talky,multiloquent,multiloquous