chatterbox 0 antonyms and opposites of chatterbox. Noun — A person who talks a great deal, often more than others want to hear. Synonyms for chatterbox jabberer chatterer yakker airbag babblemouth bag of wind blab blabberer blatherer blabbermouth blatherskite bloviator chatterbag chatter-basket Chatty Cathy chewet gabbler gasbag jangler Mag motormouth patterer prater prattler tongue-pad rattle twaddler windbag yapper ← Back to the full definition of chatterbox
