Definition of Nightmare

a very terrifying or upsetting situation

Examples of Nightmare in a sentence

The bride’s dream wedding quickly turned into a nightmare after the groom ran away from the altar.  🔊

The horrible weather turned the parade into a nightmare, and most of the festival activities had to be canceled.  🔊

A traffic nightmare sprung up downtown after a ten-car pile-up stopped all movement on the interstate.  🔊

Other words in the Scary category:

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