a. 强壮的, 粗暴的, 喧闹的

[ adj ]
noisy and lacking in restraint or discipline
<adj.all>
a boisterous crowda 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

Robustious \Ro*bus"tious\, a. [Cf. L. robusteus of oak.]
Robust. [Obs. or Humorous] --W. Irving.

In Scotland they had handled the bishops in a more
robustious manner. --Milton.
※ -- {Ro*bus"tious*ly}, adv. --
{Ro*bus"tious*ness}, n.