pestilential

Mystified, he wanders the dank halls of their rented palazzo and the fetid alleyways of the “pestilential city” where canal waters slither past like “a fat, grey-green worm.”

A garden pond can be either a pestilential mess or the beating heart of a landscape, depending on how well it is designed, engineered and maintained.

"Have you been in this pestilential city long?"

At one point, a big black fly disconcertingly lit on Mr. Pence’s white shock of hair, a pestilential symbol that proved the writers of our reality can be pretty heavy-handed with the metaphors.

The Middle Ages and Renaissance produced a body of “pestilential music”:motets, madrigals and other compositions responding to the horrific plagues of those times.