形容詞 boisterous:

1. noisy and lacking in restraint or discipline
   同義詞：rambunctious, robustious, rumbustious, unruly
2. full of rough and exuberant animal spirits
   同義詞：knockabout
3. violently agitated and turbulent
   同義詞：fierce, rough

1. A high-spirited, boisterous, or saucy girl.
   頑皮姑娘活潑的、愛嬉鬧的或頑皮的姑娘
2. Boisterous, jovial commotion or excitement.
   喧囂吵鬧，興奮的騷亂或激動
3. A riotous, boisterous, or drunken festivity; a revel.
   鬧酒狂歡狂歡的、喧鬧的或酒醉的節(jié)日; 狂歡
4. We can hear their boisterous laughter in the next room.
   我們可以聽到他們在隔壁房間的喧鬧的笑聲。

bois.ter.ous

adj.（形容詞）
Rough and stormy; violent.
粗魯?shù)?，狂暴的；暴力?/br>Loud, noisy, and lacking in restraint or discipline.See Synonyms at vociferous
吵鬧的，喧鬧的：喧吵的，喧鬧的，缺乏約束和紀(jì)律的參見 vociferous

來源：
Middle English boistres
中古英語 boistres
variant of boistous [rude, rough]
boistous的變體 [粗魯?shù)模直┑腯
perhaps from Old French boisteus [lame, limping]
可能源自 古法語 boisteus [跛的，步履蹣跚的]
from boiste [knee joint]
源自 boiste [膝關(guān)節(jié)殘廢]

【引伸】
bois.terously
adv.（副詞）
bois.terousness
n.（名詞）