plague
plague
verb
To cause continuous trouble, annoyance, or suffering to someone or something.
"Doubts plagued him constantly."
noun
A highly contagious, often fatal bacterial disease causing fever and swellings.
"The city suffered a terrible plague."
Thesaurus
Synonyms: infestation, pest, pestilence, beset, chevy, provoke, hassle, chevvy, chivvy, harry, molest, harass