Pest
Part of speech: noun
Definition: A plague, pestilence, epidemic An annoying, harmful, often destructive creature. An annoying person. Someone with poor social discipline who continually bothers disinterested women.
Example sentence: Nobody gets out of love alive. You turn into a menace or a pest when you've been rejected.
Pestilence
Part of speech: noun
Definition: Any epidemic disease that is highly contagious, infectious, virulent and devastating.