Devil
Demon, Satan
noun
A bad devil is a devil (because they're all bad), or a demon or satan.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
今夜は悪魔と出かける気分じゃないの。
I’m not in the mood to go out with a demon tonight.
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