Japanese Learning

What is the meaning of “悪夢”?

Word	Reading	Meaning
悪夢	あくむ	〔悪い夢〕a bad dream；〔恐ろしい夢〕a nightmare；〔不吉な夢〕an ominous dream

悪夢のような体験
a nightmarish experience

悪夢を見る［にうなされる］
have [be troubled by] a nightmare [bad dream]