所為
せい
sei
JLPT N3adjectiveVocabularyLevel 37 - JLPT N3

Quick answer

所為 (せい (sei)) means "Fault". The reading is せい (sei). Audio pronunciation and kanji breakdown are below.

Meaning

Fault

Also : Blame · Act · Deed · Result · Outcome

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Example Sentences

その失敗はすべて彼のせいだと言う人もいた。

そのしっぱいはすべてかれのせいだとゆうひともいた。

Some people said that failure was entirely his fault.

Kanji in this word

Grammar to study at this level

Last updated Jun 11, 2026

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