US /ˈnaɪt.mɛɚ/ UK /ˈnaɪt.mɛə/
noun verb Freq #2602

Meanings

  1. 1
    noun

    A frightening or upsetting dream.

    I woke up shaking after a terrible nightmare.

  2. 2
    noun

    A very difficult or unpleasant situation or experience.

    The traffic on the way home was an absolute nightmare.

Thesaurus

Word family
Forms nightmares
Derived forms daymareflightmarefrightmareknightmaremid-nightmaremidnightmaremorningmarenightmarelikenightmariousnightmarishnightmary

Etymology

From Middle English nyghtmare, from Old English *nihtmare, equivalent to night + mare (“evil spirit believed to afflict a sleeping person”). Cognate with Scots nichtmare and nichtmeer, Dutch nachtmerrie, Middle Low German nachtmār, German Nachtmahr.

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Topics

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