名詞 rowdy:

1. a cruel and brutal fellow
   同義詞：bully, tough, hooligan, ruffian, roughneck, yob, yobo, yobbo

形容詞 rowdy:

1. disturbing the public peace; loud and rough
   同義詞：raucous

1. Don't be so rowdy.
   安靜一點！
2. A rowdy argument; a brawl.
   喧鬧的爭論; 吵架
3. I have to sit on the class when they get too rowdy.
   班上學生太鬧時，我就得管一管。
4. They were chucked out of the pub for being too rowdy.
   他們因為太吵鬧被攆出酒館。

row.dy

n.（名詞）
【復數】 row.dies
A rough, disorderly person.
暴徒：粗暴又好爭吵的人
adj.（形容詞）
row.di.er,row.di.est
Disorderly; rough:
好爭吵的；粗暴的：
例句：
rowdy teenagers; a rowdy beer party.
粗暴的青少年；喧鬧的啤酒聚會

來源：
Probably from row 3
可能源自 row3

【引伸】
row.dily
adv.（副詞）
row.diness
n.（名詞）
row.dyism
n.（名詞）