Japanese grammar

What does ~せいで mean? Japanese grammar N3

~せいで means because of ~; owing to ~ (negative outcome / blame).

Quick facts
Level (estimated, JLPT framework)N3
StructurePlain form + せいで
Nの + せいで
な形 + な + せいで
Romajiseide
Meaningbecause of ~; owing to ~ (negative outcome / blame)

Forming it

Noun雨 → 雨のせいで
Verb遅れた → 遅れたせいで
na-adjective不便 → 不便なせいで

How to use it

Attributes blame to the cause of a BAD result. Always carries a reproachful tone.

  • 「せいで」 = because of..., something went wrong: 「雨のせいで試合が中止になった」. The result MUST be negative.
  • The opposite is 「おかげで」 (thanks to..., something good happens). For neutral, use 「ため(に)」.
  • The sentence-final form is 「~せいだ」: 「失敗したのは私のせいだ」 (the failure is my fault).

Examples

  • The match was called off because of the rain.

  • Because I overslept, I missed the train.

Keep in mind

  • Nouns connect with 「の」; na-adjectives connect with 「な」.
  • For a good result, 「おかげで」 must be used instead.

Common mistakes

  • Wrong先生(せんせい)のせいで合格(ごうかく)できました。

    Thanks to my teacher, I passed.

    Correct先生(せんせい)のおかげで合格(ごうかく)できました。

    A GOOD result must use 「おかげで」; 「せいで」 is only used when the result is bad.

  • Wrong雨(あめ)せいで中止(ちゅうし)になった。

    It was postponed because of the rain.

    Correct雨(あめ)のせいで中止(ちゅうし)になった。

    Nouns must connect via 「の」.

Exam tips

  • 「せいで」 = because of... (BAD result); for a good result use 「おかげで」.

Related patterns

All N3 grammar →