Sinonim nightmare

English Thesaurus

1. a terrifying or deeply upsetting dream (noun.cognition)

hypernym	:	dream, dreaming,
definition	:	a series of mental images and emotions occurring during sleep (noun.cognition)

2. a situation resembling a terrifying dream (noun.state)

hypernym	:	situation,
definition	:	a complex or critical or unusual difficulty (noun.state)