obstreperous

a. 吵闹的, 喧嚣的, 骚乱的, 不守秩序的

名词:obstreperousness 副词:obstreperously 

ob.strep.er.ous

adj.（形容词）
Noisily and stubbornly defiant.
吵闹的：吵闹地，固执地无视
Aggressively boisterous.
暴乱的：带有攻击性地猛烈的

来源：
From Latin obstreperus [noisy]
源自 拉丁语 obstreperus [喧闹的]
from obstrepere [to make a noise against]
源自 obstrepere [因…而声音嘈杂]
ob- [against] * see ob-
ob- [与…相对] *参见 ob-
strepere [to make a noise] [of imitative origin]
strepere [制造噪音] [模仿性起源的]

【引伸】
obstrep.erously
adv.（副词）
obstrep.erousness
n.（名词）