Pocket Thesaurus
Antonyms of pernicious
devastating, noxious, deadly, poisonous, virulent, malicious, harmful, toxic, nefarious, detrimental, dangerous, lethal, ruinous, destructive, damaging, baleful, deleterious, evil, fatal, iniquitous, injurious, killing, malevolent, malign, malignant, mortal, noisome, offensive, pestiferous, pestilent, prejudicial, sinister, venomous, wicked, pestilential, miasmatic, miasmic
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