It describes a noun, indicating something harmful, deadly, or contagious like a disease.
For example:
* "The pestilential air made it difficult to breathe."
* "The doctor warned about the pestilential outbreak."
It describes a noun, indicating something harmful, deadly, or contagious like a disease.
For example:
* "The pestilential air made it difficult to breathe."
* "The doctor warned about the pestilential outbreak."