pestilent Synonyms

pestiferous pestilential baneful plaguey pernicious deadly transmittable pesky noxious noisome mortal malignant lethal irritating poisonous ruinous plague-ridden cancerous deadliest unhealthy unwholesome virulent venomous toxic stinking septic insalutary insalubrious injurious destructive deleterious deathly dangerous damaging corrupting contaminating contagious bothersome baleful detrimental diseased epidemic infective infectious infected importunate hurtful harmful galling fatal