- producing or tending to produce infectious or contagious, often epidemic, disease; pestilential.
- destructive to life; deadly; poisonous.
- injurious to peace, morals, etc.; pernicious.
- troublesome, annoying, or mischievous.
- annoying; irritating
- highly destructive morally or physically; pernicious
- infected with or likely to cause epidemic or infectious disease
