Dumb
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foxy, voluble, talebearing, sound, scholarly, sharp, nimble, eloquent, motormouthed, trained, knowledgeable, free, gossipy, facile, glib, talking, percipient, chatty, verbose, logical, silver-tongued, rambling, learned, highbrow, sociable, wordy, educated, gregarious, sane, well-read, bright, schooled, crafty, vocal, perspicacious, sensible, unreserved, smart, conversational, extroverted, fluent, wily, mouthy, windy, ingenious, valid, talkative, blabby, smooth-tongued, talky, literate, judicious, prolix, resourceful, cunning, well-spoken, erudite, free-spoken, long-winded, acute, speaking, loquacious, apt, gabby, outgoing, intelligent, garrulous, diffuse, communicative, knowing, skilled, informed, outspoken.