KEY: Babbler.
SYN: Blab, chatterbox, gossip, tattler, telltale.
ANT: Confident, confessor.
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KEY: Babbling.
SYN: Prating, blabbing, talkativeness, tattling, cackling, gossip, loquacity, garrulity.
ANT: Reticence, reserve, secretiveness, closeness, refrain, incommunicativeness, taciturnity.
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KEY: Babel.
SYN: Hubbub, confusion, clamor, jargon, din, discord, clang.