Thesaurus

nightmare

noun

Synonyms & Antonyms of nightmare

(Entry 1 of 2)

a situation or state that causes great suffering and unhappiness
  • that 20-page exam was a nightmare

Synonyms for nightmare

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Antonyms for nightmare

nightmare

adjective

Synonyms & Antonyms of nightmare (Entry 2 of 2)

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The first known use of nightmare was in the 14th century

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Cite this Entry

“Nightmare.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nightmare. Accessed 20 Oct. 2020.

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More from Merriam-Webster on nightmare

Dictionary: Definition of nightmare

Medical Dictionary: Definition of nightmare

Nglish: Translation of nightmare for Spanish Speakers

Britannica English: Translation of nightmare for Arabic Speakers

Britannica.com: Encyclopedia article about nightmare

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