筋違 すじちがいではありませんでした
sujichigaidewārimasendeshita

Noun
Desu Copula
na-Adjective
no-Adjective

The polite, past negative form of 筋違い

1. Was not a mismatch.; Was not a mistake.; Was not incorrect.

Past/Perfective
Negative
Polite
Formal Register