Definitions of pestilence

1. a pernicious evil influence

2. Specifically, the disease known as the plague; hence, any contagious or infectious epidemic disease that is virulent and devastating.

3. Fig.: That which is pestilent, noxious, or pernicious to the moral character of great numbers.

4. An infectious or contagious disease that is widespread and fatal.

5. Any contagious deadly disease.

6. Any wide spread and fatal infectious malady.

7. Any contagious disease that is epidemic and mortal; anything pestilent, physically or morally.

8. Any contagious and malignant or mortal disease; the plague; anything sweepingly destructive.