The term "bragger" is a negative word that refers to someone who boasts or talks excessively about their achievements or possessions. Some synonyms for this word include showoff, braggart, blowhard, egotist, and self-promoter. Additionally, the term "grandstander" implies that someone is bragging for attention or to gain favor with others. Other synonyms for "bragger" include peacock, swaggerer, and strutter. It's important to note that these words all carry a negative connotation and should be used cautiously when describing someone's behavior. Instead, it's often more productive to focus on positive attributes when discussing others.