: being, relating to, or based on a projection of future events that assumes only the best possible circumstances
a best-case scenario

Examples of best-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.
For a starter who hadn’t pitched in three weeks, Scherzer’s line at the time — 4 2/3 innings with one run allowed — was essentially a best-case scenario. Mitch Bannon, New York Times, 17 Oct. 2025 Black Phone 2 is not a best-case scenario. Louis Peitzman, Vulture, 17 Oct. 2025 At a best-case scenario, the seven-month end of the recovery timeline would have Barkov available for the start of the Stanley Cup playoffs. Jordan McPherson, Miami Herald, 27 Sep. 2025 Models for last season – covering the period from April 2024 to April 2025 – included a worst-case scenario where there was no vaccine recommendation and high immune escape, and a best-case scenario where there was a universal vaccine recommendation and low immune escape. Deidre McPhillips, CNN Money, 18 Sep. 2025 See All Example Sentences for best-case

Word History

First Known Use

1972, in the meaning defined above

Time Traveler
The first known use of best-case was in 1972

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Cite this Entry

“Best-case.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/best-case. Accessed 4 Nov. 2025.

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