best-case

American  

[best-keys] / ˈbɛstˌkeɪs /

adjective

1. being the best result that could be expected under the circumstances.

   The best-case scenario shows her winning the nomination easily.

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Etymology

Origin of best-case

First recorded in 1975–80

Example Sentences

Even in the best-case scenario, a refund program of such scale is going to be messy and slow.

From The Wall Street Journal • Mar. 31, 2026

"The best-case scenario is to end this conflict as quickly as possible and restore some semblance of stability."

From BBC • Mar. 30, 2026

Any best-case scenario for USC this month presumably would involve a true star turn for Davidson, who already has proven to be a bona fide playmaker as a freshman.

From Los Angeles Times • Mar. 1, 2026

In the best-case scenarios, this will be merely time-consuming or annoying.

From Slate • Feb. 27, 2026

The terrain here is flat and smooth, so it's pretty much a best-case scenario.

From "The Martian" by Andy Weir