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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.

"It turns out it's not the worst case scenario."

From Science Daily • May 2, 2026

Schein also said that investors are “coming to the realization that the software space had priced in the worst case AI scenarios that are likely not going to come to fruition.”

From Barron's • Apr. 17, 2026

The UK could face some food shortages by the summer under a worst case scenario of the Middle East conflict drawn up by government officials.

From BBC • Apr. 16, 2026

So I’d start right at my top number, and I know I might go down to 7% in the worst case, but I’m trying to get that 10% all day.

From The Wall Street Journal • Mar. 20, 2026

Humbaba had the worst case of irritable bowel syndrome known to medical science.

From "City of the Plague God" by Sarwat Chadda