形容詞 monstrous:

1. abnormally large
2. shockingly brutal or cruel
   同義詞：atrocious, flagitious, grievous, heinous
3. distorted and unnatural in shape or size; abnormal and hideous
   同義詞：grotesque, unnatural

1. The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes, coal dust, and toxic gases.
   現(xiàn)代城市是由大得怕人的大廈和充斥著難聞的汽油味，煤灰和有毒氣體和又陰暗又狹窄的街道所組成。
2. A style of painting, sculpture, and ornamentation in which natural forms and monstrous figures are intertwined in bizarre or fanciful combinations.
   奇異風(fēng)格，形狀怪誕的圖案一種自然的形式和奇異的圖形以一種奇異或古怪的方式結(jié)合在一起的繪畫雕塑和裝飾風(fēng)格
3. All the students were burning with anger at this monstrous crime.
   所有的學(xué)生對這殘暴的罪行都感到無比的憤慨。
4. The tree planted by the magician quickly grew to a monstrous height.
   魔術(shù)師種下的樹很快就長得極其高大。

mon.strous

adj.（形容詞）
Shockingly hideous or frightful.See Synonyms at outrageous
丑陋的：極其丑陋或可怕的參見 outrageous
Exceptionally large; enormous:
特別大的；巨大的：
例句：
a monstrous tidal wave.
一股巨大的浪潮

Deviating greatly from the norm in appearance or structure; abnormal.
畸形的：外表上或結(jié)構(gòu)上十分不正常的；畸形的
Of or resembling a fabulous monster.
傳說中的怪物的或與傳說中怪物相象的

來源：
Middle English
中古英語
from Old French monstruos
源自 古法語 monstruos
from Latin mônstruôsus
源自 拉丁語 mônstruôsus
from mônstrum [portent, monster] * see monster
源自 mônstrum [前兆，怪物] *參見 monster

【引伸】
mon.strously
adv.（副詞）
mon.strousness
n.（名詞）