connective N3 common writtenpolite

〜という理由で — for the reason that ~

〜という理由で・というりゆうで

Meaning

for the reason that ~ / on the grounds that ~ — names the stated reason behind a decision or action

Formal and slightly detached — it frames the reason as an official or stated justification, often for a decision handed down by someone else. In casual speech から or ので is far more natural.

Key sentence

体調たいちょうが悪わるいという理由りゆうで、彼かれは欠席けっせきした。

He was absent on the grounds that he wasn't feeling well.

Formation

Attaches to	Form	Example
Plain-form clause (or Nだ → Nという) + という理由で	[clause] + という理由で	危険きけんだという理由で / 高たかいという理由で

Examples

経験けいけんが足たりないという理由りゆうで、不採用ふさいようになった。

I was turned down for the job for the reason that I lacked experience.

規則きそくに反はんするという理由りゆうで、申請しんせいは却下きゃっかされた。

The application was rejected on the grounds that it violated the rules.

Easily confused with

からから simply links cause to result; という理由で packages the reason as a named, formal grounds for an action — common in writing, notices, and official explanations.

See 〜という理由で in real sentences

Jengo shows 〜という理由で the way you actually meet it: inside real Japanese sentences, so it sticks instead of staying an abstract rule.

Study it in Jengo

Sources Compiled from published Japanese grammar references.

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