Rodomontadist refers to a person who boasts or brags excessively about their achievements or abilities. Synonyms for rodomontadist include braggart, blowhard, gasbag, windbag, egotist, and narcissist. These words describe someone who talks excessively about their own accomplishments in an arrogant or obnoxious manner. Other synonyms include self-promoter, show-off, peacock, swaggerer, and grandstander. All of these words describe an individual who is overly self-aggrandizing and often lacks the ability to see the perspectives of others. Whether you encounter a rodomontadist in the workplace or in personal relationships, their overly boastful behavior can be frustrating and difficult to deal with.