The word "garrulousnesses" refers to the state or quality of being excessively talkative. Some synonyms for this word include loquacity, talkativeness, verbosity, and prolixity. Other terms that can be used to describe someone who talks too much include blabbermouth, windbag, chatterbox, and motor-mouth. These words can be used to describe a person who talks incessantly or who doesn't know when to stop talking. Whether you are trying to describe someone who talks too much at work, at home, or in social situations, there are plenty of synonyms to choose from that can help you get your point across.