Meaning of the word "at best" in English

What does "at best" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

at best

US /æt ˈbest/
UK /æt ˈbest/
"at best" picture

Phrase

1.

even in the most favorable circumstances; under the best possible conditions

Example:
The car will get 20 miles per gallon at best.
His chances of winning are slim at best.
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