: involving, projecting, or providing for the worst possible circumstances or outcome of a given situation
a worst-case scenario

Examples of worst-case in a Sentence

Recent Examples on the Web
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Still, the privacy inherent in private credit often leaves an information vacuum that observers fill with worst-case scenarios. Allison Morrow, CNN Money, 6 Mar. 2026 The combination of a weak economy and high inflation is a worst-case scenario for investors because the Federal Reserve has no good tool to fix both problems at the same time. Stan Choe, Los Angeles Times, 6 Mar. 2026 For a few minutes in the second half of Tuesday’s 116-108 loss to the Oklahoma City Thunder, the Chicago Bulls seemed to be facing a worst-case scenario. Julia Poe, Chicago Tribune, 4 Mar. 2026 The deal provides a massive windfall for Roivant and two of its portfolio companies, which have not managed to turn lipid nanoparticles into drugs themselves, and avoids a worst-case scenario for Moderna. Ed Silverman, STAT, 4 Mar. 2026 See All Example Sentences for worst-case

Word History

First Known Use

1964, in the meaning defined above

Time Traveler
The first known use of worst-case was in 1964

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Cite this Entry

“Worst-case.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/worst-case. Accessed 14 Mar. 2026.

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