noun, noun which may take the genitive case particle 'no'
Refers to the best possible option, effort, or outcome. Often used in formal contexts and set phrases like 最善を尽くす (do one's best).
Let's think of the best possible method.
彼はいつも最善を尽くしている。
He always does his utmost.
Let's think about the best way to solve this problem.
If everyone makes an effort, we should get the best possible result.
We decided to choose the best option among several proposals.