1
- an imaginary creature that is typically large, ugly, and frightening怪物; 怪兽。
1.1
- an inhumanly cruel or wicked person恶魔; 残酷无情的人：
he was an unfeeling, treacherous monster.
他是冷酷无情、阴险奸诈的恶魔。
1.2
- often humorous a person, typically a child, who is rude or badly behaved〈常幽默〉捣蛋鬼（多指孩童）：
Christian is only a year old, but already he is a little monster.
克里斯琴只有一岁, 但已经是个小捣蛋了。
1.3
- a thing or animal that is excessively or dauntingly large巨物; 巨兽：
this is a monster of a book, almost 500 pages.
这是一本巨书, 将近500页。
1.4
- a congenitally malformed or mutant animal or plant畸形动物（或植物）。
attrib.
- informal of an extraordinary and daunting size or extent〈非正式〉巨大的, 庞大的：
a monster 36lb carp.
重达36磅的超大鲤鱼。
with obj.
- informal, chiefly Austral. criticize or reprimand severely〈非正式, 主澳〉严厉批评; 斥责：
my mum used to monster me for coming home so late.
我妈妈过去常因我很晚回家斥责我。
词源
late Middle English: from Old French monstre, from Latin monstrum 'portent or monster'， from monere 'warn'.