pestilent
/ˈpestɪlənt/adjective
1- destructive to life; deadly致死的, 致命的：
pestilent diseases.
致命性疾病。
1.1
- informal, dated causing annoyance; troublesome〈非正式, 旧〉讨厌的, 恼人的：
he regarded journalists as a whole as a pestilent race.
他认为记者总体上都是讨厌的人。
1.2
- archaic, figurative harmful or dangerous to morals or public order; pernicious〈古, 喻〉有害的, 危害社会的; 伤风败俗的：
the pestilent sect of Luther.
危害社会的路德教派。
派生词
pestilently
adverb词源
late Middle English: from Latin pestilens, pestilent- 'unhealthy, destructive', from pestis 'plague'.