1. a person who boasts or brags excessively about their achievements or abilities

Examples

• The vaunter at the party wouldn’t stop talking about his expensive car.
• She was known as a vaunter who exaggerated every accomplishment.
• Nobody wanted to listen to the vaunter’s endless stories about his success.
• The coach warned the team not to become vaunters after their victory.
• His reputation as a vaunter made people doubt his actual abilities.
• The vaunter’s claims about his wealth turned out to be false.