ごくつぶしじゃなかったです
穀潰しじゃなかったです
gokutsubushijanakattadesu

Noun
Desu Copula

The polite, past negative form of ごくつぶし

1. Wasn't a grain crusher.; Wasn't destructive.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana