: 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.
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 Students are being asked to practice preventing their own deaths in active shooter drills and learn in environments designed around worst-case scenarios. James Densley, The Conversation, 17 Dec. 2025 More than ever, people should also make sure their health protocols and diets are not clouded by politics or ideology as doing so can help prevent worst-case-scenario outcomes like this one. Charles Trepany, USA Today, 10 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 25 Dec. 2025.

Last Updated: - Updated example sentences
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