Pompous or arrogant in one's speech or bearing.(adjective)
Present participle of bluster.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "blustering" in a sentence
"In fact, I’ll say it again … all this blustering is media propaganda."
"Recall his blustering campaign rhetoric about defeating the Taliban; recall the public commitment last"
"Recall his blustering campaign rhetoric about defeating the Taliban; recall the public commitment last December of Defense Secretary Robert Gates to strengthen military bases in Afghanistan."