pestiferous

adjective

1. 1

   causing irritation or annoyance

   tapping an annoying rhythm on his glass with his fork

   aircraft noise is particularly bothersome near the airport

2. 2

   tending to corrupt or pervert

3. 3

   likely to spread and cause an epidemic disease

   a pestilential malignancy in the air"- Jonathan Swift

   plaguey fevers

4. 4

   contaminated with infecting organisms

   dirty wounds

   obliged to go into infected rooms"- Jane Austen