boisterously /ˈbɔɪstəɹəsli/ adverb1 •In a boisterous manner, energetically and noisily.The Wuhan forces had won the battle at Chumatien (the victory Tom Mann had so boisterously celebrated) but, as those back in Wuhan subsequently found out, only at a terrible cost. — 1981 formsmore boisterously · most boisterously