— demoniacally /dee'meuh nuy"ik lee/ , adv.
/di moh"nee ak', dee'meuh nuy"ak/ , adj. Also, demoniacal /dee'meuh nuy"euh keuhl/ .
1. of, pertaining to, or like a demon; demonic: demoniac laughter.
2. possessed by or as by an evil spirit; raging; frantic.
n.
3. a person seemingly possessed by a demon or evil spirit.
[ 1350-1400; ME daemoniacus daimoniakós, equiv. to daimóni ( os ) pertaining to a DAEMON + -akos -AC ]
Ant. 1. angelic.