pestilence

n. epidemic disease, plague; something that is damaging, something destructive

For the Dutch death metal band, see Pestilence (band)For the Alpha Flight villain, see Pestilence (comics)For the 52 character, see Pestilence (DC Comics)For the song by From First to Last, see Ride the Wings of Pestilence It has been suggested that this article or section be merged with . ()A pestilence is any virulent and highly infectious disease that can cause an epidemic or even a pandemic. The word can also be used about parasites causing large scale sickness and death, such as Guinea worm.
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Noun
1. any epidemic disease with a high death rate
(synonym) plague
(hypernym) epidemic disease
2. a pernicious evil influence
(hypernym) influence

n. putrescence, rot, decomposition; smelliness caused by decomposition, foulness caused by decay

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

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