The worship of evil spirits by incantations intended to propitiate them.(noun)
The Century Dictionary (Public Domain)
Use "devil-worship" in a sentence
"Theirs is a tale speckled with murder and church-burning rampages, perfumed with rumors of cannibalism and devil-worship, and marinated in a timeless broth of violent homo-anxiety and neo-Wagnerian nationalist mysticism (Sons of Odin, and so forth)."
"D&D taught me about the power of imagination -- but D&D was devil-worship."
"More revelations as to the existence of devil-worship have been made over recent weeks and now Christians are beginning to take the issue more seriously, calling for concerted efforts to counter Satanism."