おせっかいじゃなかったです
お節介じゃなかったです
osekkaijanakattadesu

Noun
Desu Copula
na-Adjective

The polite, past negative form of おせっかい

1. Wasn't helpful.; Wasn't meddling.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana