Blathered is a term that is often used to describe someone who talks excessively about unimportant or irrelevant things. There are many synonyms for this word, including prattled, jabbered, rambled, blabbered, chattered, gibbered, and spoke incoherently. These terms all convey the same ideas, noting a person who talks incessantly but without much substance. It can be frustrating to listen to someone who blathers on, making it important to understand these synonyms so that you can use them to describe this type of person. Overall, there are many ways to describe someone who talks too much, and choosing an appropriate synonym can help you convey the exact meaning of your message.