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.

See Examples For:

“There’s so much education they need, and they need it when they are already under a lot of pressure. It’s really hard to connect all the dots in the best-case scenario,” she said.

From MarketWatch Aug. 25, 2026

"Oil's return towards pre-war levels in June reflected markets pricing in a best-case outcome for the fragile US-Iran arrangement," she wrote, adding that the "re-escalation exposes how fragile that assumption was".

From Barron's Jul. 13, 2026

When I ask Welling how soon StormWall could be launched, he says that even in the best-case scenario, just the research would require at least five more years.

From The Wall Street Journal Jul. 10, 2026

"Even in the best-case scenario, the enduring effects from the conflict will be with us for a while."

From BBC Jun. 30, 2026

The clown turned to Horace and said, “How’s your best-case scenario looking now, fella?”

From "Hollow City" by Ransom Riggs

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training