| pernicious | working or spreading in a hidden and usually injurious way |
|---|---|
| pernicious | exceedingly harmful |
| pernicious | a chronic progressive anemia of older adults |
| pernicious | a chronic progressive anemia of older adults |
| pernicious | in a noxiously baneful way |
| pernicious | in a harmfully insidious manner |
| pernicious | grave harmfulness or deadliness |