: 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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Researchers are working through these worst-case scenarios to ensure flights are as safe as possible, said Pratim Biswas, Dean of the College of Engineering, University of Miami. Ashley Miznazi, Miami Herald, 27 Feb. 2026 Unfortunately, a lot of reporting and studies are still based on these worst-case scenarios. Hannah Ritchie, Big Think, 24 Feb. 2026 Whether candidates voluntarily bow out — or dig in — may determine whether Democrats sidestep their worst-case scenario. James Ward, USA Today, 24 Feb. 2026 Rapid charging under test VTT Technical Research Centre ran the tests in what engineers described as a worst-case scenario. Aamir Khollam, Interesting Engineering, 23 Feb. 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 3 Mar. 2026.

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