worst nightmare

noun

Definition of worst nightmare

: the thing someone fears most Losing a child is every parent's worst nightmare.

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worsted card

worst nightmare

worst of all

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Cite this Entry

“Worst nightmare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/worst%20nightmare. Accessed 3 Aug. 2021.

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