adjective see: noxious Date: 15th century highly injurious or destructive ; deadly , wicked , ~ly adverb ~ness noun Synonyms: see: ~
PERNICIOUS
Meaning of PERNICIOUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012