na-adjective
devilish; demonic
Describes a person, atmosphere, or quality that is devilish, sinister, or seductively evil. Often used in literary or dramatic contexts.
from German dämonisch
彼のデモーニッシュな笑みに、背筋が凍った。
His devilish grin sent a chill down my spine.
その映画の悪
The villain in that movie exuded a demonic charm.