1. (a.) Rough or rude; unbending; tumultuous; unyielding\; strong; powerful.

2. (a.) Exhibiting tumultuous violence and fury; acting with noisy turbulence; violent; rough; stormy.

3. (a.) Noisy; rough; turbulent; as, boisterous mirth; boisterous behavior.

4. (a.) Vehement; excessive.

blaring blatant blatting blustering blusterous blustery brassy brawling brazen bullying clamant clamorous clamoursome clanging clangorous clattery disorderly exuberant harum-scarum hectoring knock-down-and-drag-out knockabout lively loudmouthed mafficking multivocal noiseful noisy obstreperous openmouthed rackety raging rambunctious rampageous ranting raucous raving riotous rip-roaring roistering roisterous rollicking rough rough-and-tumble rowdy rowdyish storming stormy strepitant strepitous strident swaggering swashbuckling swashing tempestuous termagant tumultuous turbulent undisciplined unruly uproarious vociferant vociferous wild