| 单词 | pernicious |
| 释义 | pernicious —perniciously, adv. —perniciousness, n. /peuhr nish"euhs/, adj. 1. causing insidious harm or ruin; ruinous; injurious; hurtful: pernicious teachings; a pernicious lie. 2. deadly; fatal: a pernicious disease. 3. Obs. evil; wicked. [1515-25; < L perniciosus ruinous, equiv. to pernici(es) ruin (per- PER- + -nici-, comb. form of nex death, murder (s. nec-) + -ies n. suffix) + -osus -OUS] Syn. 1. harmful, detrimental, deleterious, destructive, damaging, baneful, noxious, malicious. 2. lethal. |
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