When it comes to finding synonyms for the word "blatherer," there are a multitude of options available. Perhaps the most commonly used term is "chatterbox," which describes someone who talks incessantly and often aimlessly. Other synonyms include "prattler," "gabber," "yakker," and "rambler," all of which denote individuals who have a tendency to talk too much or without much substance. Some more colloquial options include "motor-mouth," "windbag," and "jabberer," while "gossip" and "loquacious" can also be used to describe someone who talks excessively or reveals too much information. No matter which synonym you choose, all of these words point to a person who just can't seem to keep quiet.