: 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.
In a worst-case scenario, the pressure could result in officers stopping people without good reason or making strict policing of minor infractions into a money-making machine for local governments. N'dea Yancey-Bragg, USA Today, 30 May 2026 In a note published late Wednesday, Citigroup said oil markets were finding firmer footing as investors increasingly priced out worst-case supply disruption scenarios amid signs Washington and Tehran were moving closer to an agreement. Lee Ying Shan,spencer Kimball, CNBC, 28 May 2026 In worst-case scenarios, the ice punctures the hull. Deena Theresa, Interesting Engineering, 28 May 2026 Here are best- and worst-case scenarios, my projections, and a look at one potential 2026-27 Jets roster. Murat Ates, New York Times, 27 May 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

Browse Nearby Words

Cite this Entry

“Worst-case.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/worst-case. Accessed 5 Jun. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster