boastfulness
Definitions
The quality of talking with excessive pride and self-satisfaction about one's achievements, possessions, or abilities.
A tendency to brag or show off in an arrogant manner.
Examples
His constant boastfulness about his wealth made him very unpopular among his colleagues.
She tried to hide her insecurity behind a mask of boastfulness and arrogance.
Synonyms
arrogance braggadocio vainglory conceit haughtiness swagger self-importance
Antonyms
humility modesty humbleness diffidence self-effacement unpretentiousness meekness