最さい適てき

さ

い

て

き

Common wordJLPTN2Freq.FrequencyTop 5,000

Meanings

1

na-adjective, noun which may take the genitive case particle 'no', noun

optimal; best; most suitable

Describes the single best choice or condition for a given purpose. Used both as a noun and adjectivally with な or の.

この条じょう件けんが最さい

適てき

だ

と

思おも

い

ます

。

I think these conditions are optimal.

最さい適てきな解かい決けつ策さくを探さがしています。

We are looking for the best solution.

Usage patterns

〈事こと〉に最さい適てきだto be optimal/ideal for (doing) something
この時じ期きは旅りょ行こうに最さい適てきだ。
This season is ideal for traveling.
〈人ひと〉に最さい適てきな〈物もの〉the best-suited thing for someone
子こ供どもに最さい適てきなおもちゃを探さがしている。
I'm looking for the ideal toy for my child.

Kanji

最utmost, most, extreme
適suitable, occasional, rare

Related words· 8

最さい良りょうN3
最良 focuses on overall excellence or quality, while 最適 stresses fitness for a specific purpose or situation.
最さい善ぜんN2
最善 often implies the best effort one can make under the circumstances, whereas 最適 is a more objective judgment of suitability.
適てき切せつN3
適切 means simply 'appropriate' or 'fitting' without implying it is the single best option, while 最適 specifically means 'the optimal one'.
ちょうどいいN4
最適 is a formal word meaning 'optimal' or 'best suited', while ちょうどいい is casual and used in everyday conversation for something being just right.

Show 4 more

理り想そう的てきN3
最適 focuses on being the best-suited or optimal choice for a purpose, while 理想的 focuses on matching an ideal or dream state.
うってつけ
最適 is a formal, often technical word for 'optimal', while うってつけ is a colloquial everyday expression with the same meaning.
絶ぜっ好こうN1
最適 stresses suitability for a specific purpose, while 絶好 stresses the exceptional quality of the situation itself.

Opposites

最さい悪あくN3
最悪 means 'worst', the direct opposite of 最適's 'best/optimal' when describing a condition or choice.

Don't confuse with

適てき当とうN4
適当 shares the kanji 適 with 最適 but usually means 'suitable' or, informally, 'careless/random', not 'the single best option' like 最適.

Word family

最さい適てき化か
optimization
最さい適てき解かい
optimal solution
最さい適てき課か税ぜい
optimal taxation; optimum taxation

Etymology

Compound of 最 (most) and 適 (suitable, fit). The reading さいてき follows standard on'yomi.

持もってこい

N1

最適 is a formal, analytical term meaning 'optimal' used in writing or technical contexts, whereas 持ってこい is a casual, idiomatic way to say something is just right.

最さい

適てき

ルート

optimal route

最さい適てき発はっ注ちゅう量りょう

optimal order quantity; optimum purchasing lot size

パレート最さい適てき

Pareto optimum; Pareto efficiency