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Definitions

worst case

[wurst-keys] / ˈwɜrstˌkeɪs /
ADJECTIVE
utmost
Synonyms
STRONGEST
absolute all-out sheer ultimate unconditional
STRONG
chief entire final full last outside top total uttermost whole
WEAK
complete exhaustive farthest furthermost greatest highest last straw maximal most distant out of bounds outermost paramount plenary preeminent remotest supreme the most thorough thoroughgoing too much too-too topmost ultra undiminished unlimited unmitigated unqualified unreserved
Antonyms
STRONGEST
limited
STRONG
beginning first introductory middle starting unimportant
WEAK
moderate

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Supermarkets have said they are working with the government to help plan for a worst-case scenario.

From BBC • Apr. 25, 2026

“In the worst-case scenario, if the strike lasts the full 18 days, an additional 2-3 weeks will likely be required to restart/normalize production lines.”

From Barron's • Apr. 23, 2026

The rally stems from investors re-evaluating AI risks, realizing the sector may have overpriced worst-case AI scenarios.

From Barron's • Apr. 17, 2026

The IEA’s own worst-case scenario projects deficits persisting all year, with cumulative losses approaching 2 billion barrels by December.

From MarketWatch • Apr. 16, 2026

It comforted Rowan that he had a way out, even though it was a worst-case scenario.

From "Scythe" by Neal Shusterman