: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Likely, Taiwan will now have to assume worst-case scenarios and spend some time investigating what happened. Christopher McFadden, Interesting Engineering, 3 Jan. 2026 Much of the concern, however, assumes a worst-case scenario that might not be warranted. Steve Liesman, CNBC, 2 Jan. 2026 Turning off water before leaving home prevents these worst-case scenarios. Kait Hanson, Southern Living, 20 Dec. 2025 Instead of having an eight-point lead and being guaranteed of at least overtime in a worst-case scenario, Vero Beach punted with 12 seconds left and the game still on the line. Walter Villa, Miami Herald, 18 Dec. 2025 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 11 Jan. 2026.

Last Updated: - Updated example sentences
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