rodomontade

Example:His boast of having climbed the highest mountain in the world was met with skepticism by his peers.

Definition:Proud and often excessive talk about one’s own achievements or qualities, which may be misleading or overinflated.

Example:He was so accustomed to being the braggart in the group that he didn’t notice how others walked away from him.

Definition:A person who shows little discretion and speaks excessively and often falsely about their own qualities, abilities, and achievements.

Example:His vainglory led him to claim credit for tasks he had merely oversaw.

Definition:The state of pleasing oneself with mere conceit; a fault of self-conceit, especially in the form of an exaggerated perception of one’s own accomplishments or importance.