Source : Webster's Revised Unabridged Dictionary (1913)

Vainglory \Vain`glo"ry\, n. [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.
                                                  --Shak.

Source : WordNet®

vainglory
     n : outspoken conceit [syn: {boastfulness}]