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Synonyms

nightmarish

American  
[nahyt-mair-ish] / ˈnaɪtˌmɛər ɪʃ /

adjective

  1. resembling a nightmare, especially in being terrifying, exasperating, or the like.

    his nightmarish experience in a concentration camp.


Other Word Forms

  • nightmarishly adverb
  • nightmarishness noun

Etymology

Origin of nightmarish

First recorded in 1825–35; nightmare + -ish 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The soaking rains may threaten coastal cities with flash floods and nightmarish traffic, but they promise sweet relief for snow-starved thrill seekers from Lake Tahoe to the San Bernardino Mountains in Southern California.

From Los Angeles Times

The nightmarish world of Iris was conceived as the present by the director: relatable but technologically advanced.

From Los Angeles Times

The bottom line in all of this is that between his nightmarish beginning with Celtic and his low-key ending with Columbus Crew, Nancy has won just three of his past 16 games as a manager.

From BBC

Just when you think it is safe to watch Spurs again, they deliver another nightmarish performance.

From BBC

Today's outcome is a sorry end to a nightmarish year for Salford fans, who have watched their club disintegrate to this point over the past 12 months.

From BBC