妥 当(だとう)

だとう

na-adjective, noun

proper, appropriate, valid

formalbusinessdescriptive

1. proper, appropriate, reasonable, valid

Something that is fitting, suitable, or acceptable given the circumstances. Often used to describe decisions, prices, or judgments.

この価格(かかく)は妥当(だとう)だと思(おも)う。

I think this price is reasonable.

妥当(だとう)な判断(はんだん)を下(くだ)してください。

Please make an appropriate judgment.

その結論(けつろん)の妥当(だとう)性(せい)を検証(けんしょう)する必要(ひつよう)がある。

We need to verify the validity of that conclusion.

妥当性 = validity, appropriateness

Usage: 妥当(だとう) is used to describe something as reasonable, proper, or valid. It's commonly used in formal and business contexts.

Common patterns

妥当(だとう)な + noun (appropriate ~)
妥当(だとう)だ/である (is appropriate)
妥当(だとう)性(せい) (validity, appropriateness - noun form)

Common collocations

妥当(だとう)な価格(かかく) (reasonable price)
妥当(だとう)な判断(はんだん) (appropriate judgment)
妥当(だとう)な結論(けつろん) (valid conclusion)
妥当(だとう)性(せい)を検討(けんとう)する (to consider validity)

Similar words

適切(てきせつ) (appropriate, suitable)
適当(てきとう) (suitable; also: half-hearted, sloppy)

Related Words

Synonym: 適切(てきせつ) (appropriate, suitable)

Compare: 適当(てきとう) (suitable; half-hearted)

Compare: 相応(ふさわ)しい (suitable, appropriate, worthy)

Compare: 正当(せいとう) (legitimate, just, rightful)

Compare: 常識的(じょうしきてき) (sensible)

Compare: 適切(てきせつ)な (appropriate)

general

Added 2026.1.13 20:35 · Revised 2026.9.4 21:29

04000/04053_datou