Given to vaunting or boasting; vainly ostentatious.(adjective)
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Use "vauntful" in a sentence
"How many vauntful attributes are there not in fatness, and how well saith the poet,"
"When the prima-donna of some vauntful city trills her bird-song above the foot-lights, or the cremona moans out the sigh of night-winds through the forest, artificial townsfolk applaud."
"M'Clellan is now safe, under the protection of the gun-boats, which have again proved of the utmost value in the strangest campaign on record, is probably true; but the contrast between the vauntful promises and the almost piteous reference to the last date at which guns were lost is very significant."