meaning of pestiferous
1.  Pest-bearing; pestilential; noxious to health; malignant; infectious; contagious; as, pestiferous bodies. 
2.  Noxious to peace, to morals, or to society; vicious; hurtful; destructive; as, a pestiferous demagogue. 
3.  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"
						 
