How to say "covenant" in Japanese

• 誓約書せいやくしょCommon
  nounA covenant in its written form — the document recording an oath or pledge. Use it for the paper itself, typically drawn up in legal or business settings.
• 誓約せいやくCommon
  noun, suru verb, transitive verbThe pledge or act of swearing itself rather than any written document; choose it when 'covenant' means the vow or undertaking, not the paper recording it.
  結婚けっこん生活せいかつがうまく行いっていない方ほうは結婚式けっこんしきの時ときにおごそかに神かみの前まえに誓ちかった、夫婦ふうふの誓約せいやくを思い出おもいだしてみましょう。↗

  And to the people whose married life is not going well, let's remember the marriage covenant sworn solemnly before God at the wedding ceremony.
• 盟約めいやくCommon
  noun, suru verb, transitive verbA solemn pact or covenant binding parties to one another. As a formal or literary term, it suits elevated, historical or ceremonial writing more than everyday contracts.
  彼かれらは盟約めいやくしているかのように一致いっちして行動こうどうした。↗

  They acted together as if by compact.

Choose 誓約書 for a covenant as a written document, 誓約 for the covenant as a pledge or act of swearing, and 盟約 for a solemn pact in formal or literary contexts.

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

• 誓約書せいやくしょwritten oath
• 誓約せいやくoath
• 盟約めいやくoath