nightmare /ˈnaɪtˌmeɚ/ noun plural nightmares
plural nightmares
Learner's definition of NIGHTMARE
[count]
1
: a dream that frightens a sleeping person : a very bad dream噩梦 -
Mommy, I had a really scary nightmare.妈妈，我做了一个非常可怕的噩梦。
-
She had a recurring nightmare [=she had the same bad dream many times] about losing her job.她多次做同样的噩梦，梦见自己丢了工作。
2
: a very bad or frightening experience or situation可怕的经历（或情形） -
The party was a complete nightmare.这次聚会简直就是一场噩梦。
-
a nightmare situation/scenario噩梦般的形势/场景
-
Losing a child is every parent's worst nightmare. [=the thing every parent fears most]失去孩子是每一位父亲/母亲最可怕的梦魇。
— nightmarish
/ˈnaɪtˌmerɪʃ/ adjective [more nightmarish; most nightmarish]