From Longman Dictionary of Contemporary Englishrambunctiousram‧bunc‧tious /ræmˈbʌŋkʃəs/ adjective American English noisy, full of energy, and behaving in a way that cannot be controlled three rambunctious kids
Examples from the Corpus
rambunctious• Maybe he encouraged my rambunctious behavior.• two rambunctious boys• I was rather rambunctious in those days, pacing about the room, acting more like General Patton than General Schwarzkopf.• The libretto and music, completed in 1928, came from the rambunctious intellectual environment of Paris between the two world wars.• They miss the rambunctious lot of them.• Mr Smith was a rambunctious retiree who lost his nose to an untended skin cancer.• That collision of conflicting air masses usually causes particularly rambunctious storms to slam California.Origin rambunctious (1800-1900) Probably from rumbustious “rambunctious” ((18-21 centuries))