DEMONIAL
De*mo"ni*al, a.
Defn: Of or pertaining to a demon. [Obs.] Cudworth.
DEMONIAN
De*mo"ni*an, a.
Defn: Relating to, or having the nature of, a demon. "Demonian spirits." Milton.
DEMONIANISM
De*mo"ni*an*ism, n.
Defn: The state of being possessed by a demon or by demons.
DEMONIASM
De*mo"ni*asm, n.
Defn: See Demonianism. [R.]
DEMONIC
De*mo"nic, a. Etym: [L. daemonicus, Gr. daimoniko`s.]
Defn: Of or pertaining to a demon or to demons; demoniac. "Demonic ambushes." Lowell.