0 relating to or causing very serious infectious disease that spreads quickly and kills large numbers of people:
In the story, a pestilential fog envelops every population centre in the country.
They were sent there from the pestilential slums of New York City.
They figured it would be a simple matter of digging a few canals through the pestilential swamp and letting its waters pour out to sea.
That evening, the talk was of the desert and of the pestilential flies.
Deer were threatening to reach "pestilential levels" in places.
Some pestilential scientist has invented a device that allows parents to trace their child's location via their mobile telephone.
Part of the delight of Venice is its freedom from the pestilential motor car.
