• WordNet 3.6
    • n vaunter a very boastful and talkative person
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Webster's Revised Unabridged Dictionary
    • n Vaunter One who vaunts; a boaster.
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Century Dictionary and Cyclopedia
    • n vaunter One who vaunts; a boaster; a braggart; a man given to vain ostentation.
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In literature:

He remarked that the face of Sagaris shone as though exultantly, but no indiscreet word dropped from the vaunter's lips.
"Veranilda" by George Gissing
His luck is best to win this vaunter's stake.
"The Mississippi Bubble" by Emerson Hough
A vaunter and a liar are near akin.
"The Proverbs of Scotland" by Alexander Hislop