裏付け・裏づけ・裏付|うらづけurazuke[0]heiban (flat)

1. nounsupport (e.g. for an argument); backing; proof; evidence; corroboration; substantiation; guarantee; security
   この報告ほうこくは彼かれの背信はいしんを裏付うらづけしている。↗

   This report confirms his betrayal.

• Synonym証拠しょうこNeutralNeutral word for evidence or material proof; 「裏付け」 stresses the grounds or corroboration supporting a claim, as in 「裏付け捜査」.
• Synonym根拠こんきょNeutralReasons or grounds something rests on, as in 「根拠のない噂」; 「裏付け」 stresses backing a claim with evidence or data.
• Synonym裏付けるうらづけるNeutralThe verb form: to back up or substantiate a claim with evidence; 「裏付け」 is the noun.
• Synonym立証りっしょうWrittenWritten: establishing proof by presenting evidence, as in 「無罪を立証」; 「裏付け」 leans toward corroborating material.
• Synonym証左しょうさWrittenWritten word for evidence or corroboration, typically as 「〜の証左」; 「裏付け」 is more common in everyday use.
• Related証明しょうめいNeutralThe act of proving or demonstrating that something is true; 「裏付け」 is the supporting evidence itself.
• Related実証じっしょうWrittenWritten: proving something with facts, as in 「実証研究」; 「裏付け」 leans toward corroborating material.
• Related論証ろんしょうWrittenWritten: logical demonstration of a proposition; 「裏付け」 leans toward factual evidence rather than argument.
• Related検証けんしょうWrittenWritten: examining something from multiple angles to confirm it; 「裏付け」 is the supporting grounds behind a claim.
• Related確証かくしょうWrittenWritten: conclusive, definite proof, as in 「確証がない」; 「裏付け」 is corroboration, not necessarily conclusive.
• Related示すしめすNeutralA verb: to show, indicate, or demonstrate; 「裏付け」 is the corroboration itself, not the act of showing it.
• Related確認かくにんNeutralChecking or confirming that something is the case; 「裏付け」 is the evidence used for that verification.
• Related傍証ぼうしょうWrittenWritten: indirect, supporting evidence; 「裏付け」 can be either direct or indirect.
• Related原拠げんきょWrittenWritten: the fundamental grounds on which something rests; 「裏付け」 leans toward corroborating material.
• Related証するしょうするWrittenWritten verb: to prove or attest to something; 「裏付け」 is a noun for the supporting evidence.
• Related基礎付けるきそづけるWrittenWritten verb: to lay the foundation for a theory or argument; 「裏付け」 leans toward factual corroboration.

Use 「裏付け」 for evidence or grounds backing a claim, as in 「データの裏付け」. For evidence itself say 「証拠」, for reasons or grounds 「根拠」, for presenting proof 「立証」, for checking 「確認」, for conclusive proof 「確証」. The written terms name specific acts or kinds of proof—logical 「論証」, fact-based 「実証」, indirect 「傍証」—while 「裏付け」 is the corroborating material; verbs like 「裏付ける」 name the act.

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

1. よりどころとなるもの。証拠しょうこ。保証ほしょう。