: 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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As students returned to campuses earlier this week to begin a new school year, the district’s worst-case scenario has not come to pass, although its apparent financial reprieve remains fragile. Molly Gibbs, Mercury News, 14 Aug. 2026 Unanswered emails can make people feel ignored or disrespected, or jump to worrying or envisioning worst-case scenarios, such as being on the brink of getting laid off or fired. Austin Sarat, The Conversation, 13 Aug. 2026 In a worst-case scenario, Lala could pour 25 inches of rain onto the Big Island, the center said. Lucia I Suarez Sang, CBS News, 13 Aug. 2026 Bloomberg reported Wednesday that Treasury officials had presented worst-case scenario modeling to Burnham. Jenni Reid, CNBC, 13 Aug. 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 19 Aug. 2026.

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