worst nightmare
noun
: the thing someone fears most
Losing a child is every parent's worst nightmare.
Examples of worst nightmare in a Sentence
Recent Examples on the Web
Carefree, positive, nothing-to-lose United were their worst nightmare.
—
Tim Spiers, New York Times, 26 Jan. 2026
While more than 10,000 stores, including Target, Costco Canada and Sprouts, now stock their chocolate bars, Wonka’s worst nightmare became reality in 2024.
—Zoya Hasan, Forbes.com, 16 Jan. 2026
This might be our worst nightmare.
—Matt Leclercq, Fort Worth Star-Telegram, 31 Dec. 2025
What's a father's worst nightmare?
—Lydia Price, PEOPLE, 23 Dec. 2025
See All Example Sentences for worst nightmare
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Tim Spiers, New York Times, 26 Jan. 2026
While more than 10,000 stores, including Target, Costco Canada and Sprouts, now stock their chocolate bars, Wonka’s worst nightmare became reality in 2024.
—Zoya Hasan, Forbes.com, 16 Jan. 2026
This might be our worst nightmare.
—Matt Leclercq, Fort Worth Star-Telegram, 31 Dec. 2025
What's a father's worst nightmare?
—Lydia Price, PEOPLE, 23 Dec. 2025
See All Example Sentences for worst nightmare
Cite this Entry
“Worst nightmare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/worst%20nightmare. Accessed 30 Jan. 2026.
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