прилагательное разрушительный; разорительный; наносящий ущерб; пагубный; фатальный Например: pernicious influence — пагубное влияние pernicious disease — смертельная болезнь pernicious habits — вредные привычки
adjective Etymology: Middle English, from Anglo-French, from Latin perniciosus, from pernicies destruction, from per- + nec-, nex violent death — more at noxious 1. highly injurious or destructive; deadly 2. archaic wicked • perniciously adverb • perniciousness noun Synonyms: pernicious, baneful, noxious, deleterious, detrimental mean exceedingly harmful. pernicious implies irreparable harm done through evil or insidious corrupting or undermining Example: the claim that pornography has a pernicious effect on society. baneful implies injury through poisoning or destroying Example: the baneful notion that discipline destroys creativity. noxious applies to what is both offensive and injurious to the health of a body or mind Example: noxious chemical fumes. deleterious applies to what has an often unsuspected harmful effect Example: a diet found to have deleterious effects. detrimental implies obvious harmfulness to something specified Example: the detrimental effects of excessive drinking.