adjective

noisy, energetic, and cheerful.

a group of boisterous lads

lively,active,animated,exuberant,spirited,bouncy,frisky,excited,overexcited,in high spirits,high-spirited,ebullient,vibrant,rowdy,unruly,wild,uproarious,unrestrained,undisciplined,uninhibited,uncontrolled,abandoned,rough,romping,rollicking,disorderly,knockabout,riotous,rip-roaring,rumbustious,roistering,tumultuous,noisy,loud,clamorous,clangorous