Webster's Revised Unabridged Dictionary · 1913

Vainglory

Vainglory , noun

[Vain + glory.]

Excessive vanity excited by one's own performances; empty pride; undue elation of mind; vain show; boastfulness.
He had nothing of vainglory. — Bacon
The man's undone forever; for if Hector break not his neck i' the combat, he'll break't himself in vainglory. — Shakespeare