robustiousadjective · Level 3 SAT1noisy and lacking in restraint or disciplineThe robustious crowd at the festival drowned out the speaker's attempts to introduce the evening's program.ModuleLevel 3RegisterliteraryCollectionCollection 050SAT Complete planAlso in Collection 050unregenerate, inalienable, inefficacious, unmanageable, unsubduable, beatific, fictile, impenitent and 1 more