pestilent

形容词 pestilent:

1. exceedingly harmful
   同义词：baneful, deadly, pernicious
2. likely to spread and cause an epidemic disease
   同义词：pestilential, pestiferous, plaguey

pes.ti.lent

adj.（形容词）
Tending to cause death; deadly.
致命的；致死的：易引起死亡的；致命的
Likely to cause an epidemic disease.
会传染的，传染病的：有可能引起传染病的
Infected or contaminated with a contagious disease.
得了传染病的：患有或被染上传染病的
Morally, socially, or politically harmful; pernicious.See Synonyms at poisonous
伤风败俗的，危害社会的：道德上、社会上或政治有害的；有害的参见 poisonous
Causing annoyance or disapproval.
讨厌的，厌烦的：引起烦恼或异议的

来源：
Middle English
中古英语
from Old French
源自 古法语
from Latin pestilôns pestilent-
源自 拉丁语 pestilôns pestilent-
from pestis [pestilence] * see pest
源自 pestis [有害的事物，瘟疫] *参见 pest