vainglorious

a vainglorious estimate of one’s ability

The vainglorious presence of Marilyn Monroe is placed alongside the subdued countenance of Mother Theresa, Che Guevara glares vehemently in opposition to the pacifistic visage of Mahatma Gandhi.

He is known for his vainglorious behavior.

Her vainglorious attitude often annoys her colleagues.

The politician's vainglorious speeches did not impress the audience.

She dismissed his vainglorious claims as mere boasting.

His vainglorious attitude often gets him into trouble.

The vainglorious man couldn't stand being ignored.

Her vainglorious behavior made her unpopular among her peers.

The singer's vainglorious attitude turned off many of his fans.

His vainglorious nature prevented him from forming genuine relationships.

The company's vainglorious marketing campaign backfired and led to a loss in sales.