pernicious(redirected from perniciously)
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Related to perniciously: Pernicion
perniciousadjective adverse, affliciting, baleful, baneful, brutal, calamitous, catastrophic, corrosive, crippling, cruel, damaging, deadly, death-bringing, deathful, deathly, deleterious, destructive, devouring, diabolic, dire, disadvantageous, disastrous, disserviceable, distressing, envenomed, evil, exitiosus, extirpative, fatal, fell, fiendish, fraught with evil, fraught with harm, harmful, hurtful, inimical, injurious, insidious, killing, lethal, malefic, maleficent, maleficial, malevolent, malign, malignant, menacing, mephitic, mischievous, morbiferous, morbific, mortal, nocent, noisome, noxious, noxius, painful, pestiferous, pestilential, poisonous, ruinous, serious, sinister, tending to cause death, toxic, toxicant, toxiferous, treacherous, unhealthful, unhealthy, unkind, unpropitious, unwholesome, venomous, vicious, violent, virulent, wicked
See also: bad, deadly, deleterious, destructive, detrimental, disadvantageous, disastrous, fatal, harmful, heinous, immoral, inadvisable, incendiary, inimical, iniquitous, insalubrious, lethal, malevolent, malicious, malignant, nefarious, noxious, objectionable, obnoxious, offensive, oppressive, pestilent, prejudicial, sinister, toxic, vicious, virulent