ˈbɔɪstəɹəs dɪs.əˈbiː.dɪənt ɪnˈdəʊsaɪl ɹæmˈbʌŋ(k)ʃəs ʌnˈɹuːli

incapable of being controlled the little boy's parents think he is spirited, but his teacher finds him unruly 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 unwilling to submit to authority unruly teenagers