The Collaborative International Dictionary
Pestiferously
Pestiferously \Pes*tif"er*ous*ly\, adv. In a pestiferuos manner.
Wiktionary
pestiferously
adv. In a pestiferous manner.
Usage examples of "pestiferously".
After its first blunder-born discovery by a Dutchman, all other ships long shunned those shores as pestiferously barbarous.
Abdul Reis, who capably purchased our Pyramid tickets, seemed to have an understanding with the crowding, yelling and offensive Bedouins who inhabited a squalid mud village some distance away and pestiferously assailed every traveler.