pestiferous

Adjective

• causing irritation or annoyance
  • tapping an annoying rhythm on his glass with his fork
    
  • aircraft noise is particularly bothersome near the airport
    
  • found it galling to have to ask permission
    
  • an irritating delay
    
  • nettlesome paperwork
    
  • a pesky mosquito
    
  • swarms of pestering gnats
    
  • a plaguey newfangled safety catch
    
  • a teasing and persistent thought annoyed him
    
  • a vexatious child
    
  • it is vexing to have to admit you are wrong
    

• tending to corrupt or pervert

• likely to spread and cause an epidemic disease
  • a pestilential malignancy in the air- Jonathan Swift
    
  • plaguey fevers
    

• contaminated with infecting organisms
  • dirty wounds
    
  • obliged to go into infected rooms- Jane Austen
    

Related words

• Synonyms: 
  corruptive , perversive , pestilent , pestilential , plaguey , dirty