How to say "relevant" in Japanese

• 当該とうがいCommon
  no-adjectiveCovers 'relevant' meaning 'the ~ in question' or 'the said ~': it identifies the specific person or thing already referred to, typical of official and legal writing such as the authorities concerned.
• 適切てきせつJLPT N3approx.Common
  na-adjective, nounMatches 'relevant' where it overlaps with 'appropriate' or 'fitting': something that suits the matter at hand. It is really the word for 'appropriate', so choose it when aptness, not mere connection, is meant.
  「行いった」というのが適切てきせつな言葉ことばだ。↗

  "Performed" is the right word.

Use 当該 for 'relevant' meaning 'the ~ in question' — the specific person or thing already mentioned, as in official or legal writing — and 適切 when 'relevant' means apt, fitting or appropriate to the matter at hand.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 当該とうがいappropriate (e.g. authorities)
• 適切てきせつappropriate
• 有縁うえんrelated