From <span class="searchmatch">blustering</span> + -ly. <span class="searchmatch">blusteringly</span> (comparative more <span class="searchmatch">blusteringly</span>, superlative most <span class="searchmatch">blusteringly</span>) in a <span class="searchmatch">blustering</span> manner 1914, L. Frank Baum, Tik-Tok...
hector hectoring (plural hectorings) The act of one who hectors, or acts <span class="searchmatch">blusteringly</span>. 1809, Diedrich Knickerbocker [pseudonym; Washington Irving], A History...
took Sinatra outside and disappeared into a <span class="searchmatch">blustering</span> snowstorm. swaggering, braggartry <span class="searchmatch">blusteringly</span> <span class="searchmatch">blustering</span> present participle and gerund of bluster...