宣誓|せんせいsensei[0]heiban (flat)

Common
Definitions
  1. noun, suru verb, transitive verboath; abjuration; pledge
    彼かれは市長しちょうに宣誓せんせい就任しゅうにんした。↗
    He was sworn in as mayor.
Conjugation
Dictionary form宣誓する(せんせいする)
Polite (masu)宣誓します(せんせいします)
Negative (nai)宣誓しない(せんせいしない)
polite (masen)宣誓しません(せんせいしません)
classical zu / nu宣誓せず・宣誓せぬ(せんせいせず・せんせいせぬ)
Past (ta)宣誓した(せんせいした)
polite (mashita)宣誓しました(せんせいしました)
Past negative (nakatta)宣誓しなかった(せんせいしなかった)
polite (masen deshita)宣誓しませんでした(せんせいしませんでした)
Te form宣誓して(せんせいして)
Potential宣誓できる(せんせいできる)
Passive宣誓される(せんせいされる)
Causative宣誓させる(せんせいさせる)
Causative passive宣誓させられる(せんせいさせられる)
Conditional (ba)宣誓すれば(せんせいすれば)
tara宣誓したら(せんせいしたら)
Volitional宣誓しよう(せんせいしよう)
polite (mashou)宣誓しましょう(せんせいしましょう)
Imperative宣誓しろ(せんせいしろ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym誓うちかうNeutralA verb meaning to swear or vow, common in everyday speech. 「宣誓」 is the formal act of reciting an oath aloud before others.
  • Synonym誓約せいやくWrittenFormal prose for solemn pledges, as in 「誓約書」; it can be spoken or written, whereas 「宣誓」 is the public recitation of an oath.
  • Synonym盟約めいやくWrittenFormal prose for a solemn pact or covenant, often between organizations or nations; 「宣誓」 stresses the public recitation of an oath.
  • Synonym誓言せいげんWrittenA vow to the gods and the speaking of it, with the weight on the words pledged rather than a public ceremony; rare even in formal writing.
  • Related契るちぎるWrittenAn archaic, literary verb for vowing in private, most often the eternal vows lovers swear to each other.

Use 「宣誓」 for reciting an oath publicly — at sports meets (「選手宣誓」), when starting a job, or in court. For everyday swearing use the verb 「誓う」; for a solemn pledge, spoken or written, use 「誓約」; lovers' vows are 「契る」.

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

Japanese definitions
  1. 皆みなの前まえで誓ちかいの言葉ことばを述のべること。また、その言葉ことば。
  2. 証人しょうにんが真実しんじつを述のべると宣言せんげんしたり、鑑定人かんていにんや通訳つうやくが鑑定かんてい・通訳つうやくを誠実せいじつに行おこなうことを誓ちかうこと。
Kanji in this word
English equivalents

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