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 Meaning of PERNICIOUS
| Pronunciation: |  | pur'nishus 
 
 |  |  | Sponsored Links: |  |  |  |  |  | Matching Terms: |  | pernicious anaemia, pernicious anemia, perniciously, perniciousness 
 
 |  |  Medical Dictionary |  |  |  |  | Definition: |  | Destructive, sometimes fatal. |  |  |  |  Thesaurus Terms |  |  |  |  | Related Terms: |  | baleful, baneful, brutal, corroding, corrosive, corrupting, corruptive, counterproductive, damaging, deadly, death-bringing, deathful, deathly, deleterious, destructive, detrimental, devastating, disadvantageous, disserviceable, distressing, fatal, feral, harmful, hurtful, injurious, internecine, killing, lethal, malefic, maleficent, malevolent, malign, malignant, miasmatic, miasmic, mischievous, mortal, noisome, noxious, ominous, pestiferous, pestilent, pestilential, poisonous, prejudicial, ruinous, savage, scatheful, sinister, swart, toxic, venenate, veneniferous, venenous, venomous, vicious, virulent |  |  |  |     |    |  |