unruly

英[ʌn'ruːlɪ] 美[ʌn'ruli]

1. noisy and lacking in restraint or discipline;: "a boisterous crowd"; "a social gathering that became rambunctious and out of hand"; "a robustious group of teenagers"; "beneath the rumbustious surface of his paintings is sympathy for the vulnerability of ordinary human beings"; "an unruly class"

3. of persons;: "the little boy's parents think he is spirited, but his teacher finds him unruly"