Dictionary.com
Thesaurus.com

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.


Etymology

Origin of best-case

First recorded in 1975–80

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.

They added that "the government's growth target of 0.9 percent for this year now appears clearly out of reach", expecting instead GDP expansion of around 0.6 percent in "a best-case scenario".

From Barron's • May 29, 2026

That’s the best-case scenario, because once it leaks, it’s no longer at risk of exploding.

From Los Angeles Times • May 22, 2026

Strip out “compute for research,” and OpenAI is actually on track to turn a small pretax operating profit this year, as is Anthropic under its best-case scenario.

From The Wall Street Journal • Apr. 6, 2026

The best-case scenario is, in a way, just as disturbing.

From Slate • Mar. 31, 2026

And that’s the best-case scenario, if I’m able to eliminate the rest of the field, including myself, and get Peeta crowned as the winner of the Quarter Quell.

From "Catching Fire" by Suzanne Collins

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "best-case" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com