The word "prater" is a term used to describe someone who talks excessively and often in a trivial or pointless manner. Some synonyms for this word include chatterbox, gabber, blabbermouth, gossipmonger, talkative, loquacious, and verbose. These terms all convey the idea of someone who talks excessively or excessively, often without much purpose or meaning. Additional synonyms for "prater" include windbag, gasbag, babble, and yammer. People who fall under this category are often considered annoying or tiresome, especially if they can't seem to stop talking even when others are clearly uninterested or annoyed.