Simple past tense and past participle of brag.(verb)
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Use "bragged" in a sentence
"Actor Josh Brolin bragged about his personal hedge fund on Charlie Rose; totally clueless of the carnage hedge funds have wrecked on the commodities market and on Wall Street."
"Caravajal made too many professions of what he would do -- in short, bragged too much -- but as there was no help for the situation,"
"Horse's Ass blogger David Goldstein bragged that "Peter personally reached out to me" for fundraising help."