裏付(うらづ)ける

うらづける
verb-ichidan
to substantiate, to back up
1. to substantiate, to prove, to back up, to corroborate
To provide evidence or support that confirms the truth of a claim, theory, or statement.
証拠(しょうこ)が彼(かれ)の証言(しょうげん)を裏付(うらづ)けた。
The evidence corroborated his testimony.
調査(ちょうさ)結果(けっか)が仮説(かせつ)を裏付(うらづ)ける形(かたち)になった。
The survey results ended up substantiating the hypothesis.
データに裏付(うらづ)けられた主張(しゅちょう)でなければ、会議(かいぎ)では説得力(せっとくりょく)がない。
Unless a claim is backed up by data, it won't be persuasive in a meeting.

USAGE:
A transitive ichidan verb. The passive form 裏付(うらづ)けられる is very common, meaning "to be supported/backed by evidence." The related noun is 裏付(うらづ)け (supporting evidence, substantiation).

COMMON PATTERNS:

  • 証拠(しょうこ)で裏付(うらづ)ける: to substantiate with evidence
  • データに裏付(うらづ)けられた: backed by data
  • 裏付(うらづ)けを取(と)る: to obtain corroboration

RELATED:

  • 裏付(うらづ)け (noun): supporting evidence, substantiation
general
Added 2026.2.27 19:16
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