Hence you may perceive how easily and how quickly we may be taken in love; since at the twinkling of an eye, Phaedrus' spirits may so perniciously infect Lycias' blood.
Thou hast devilishly and perniciously abstained from coming to church, and thou hast been guilty of the sin of preaching.
Laflin had been perniciously active all the morning.
And they [the Antinomians] teach perniciously that the Law of God is simply to be removed from the church, which is blasphemous and sacrilegious.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "perniciously" in a variety of sentences. We hope that you will now be able to make sentences using this word.