adjective🔗Share悪魔のような, 邪悪なSinister; evil; like a fiend."The student created a fiendishly difficult math problem that even the teacher struggled with. "生徒は、教師でさえ苦労するほど悪魔のように難しい数学の問題を作成した。moralcharacterinhumannegativesoulChat with AIVocabulary GamePractice Reading