also: イビル · イーブル · エビル
na-adjective, noun
Loanword from English 'evil', used as a na-adjective or noun. Often appears in fantasy, gaming, or subculture contexts to describe something morally bad or sinister.
そのゲームのラスボスはイービルな存在だ。
The final boss in that game is an evil being.
彼はイービルに染まってしまった。
He has been corrupted by evil.
Borrowed from English 'evil'. The multiple katakana spellings reflect different approximations of the English vowel length.