名詞 めいし てき形容 けいよう じゃないです
mei shite ki keiyō shijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 名詞的形容詞

1. It's not an adjective.; It isn't a noun's adjective.

Negative
Polite
Casual Register
Linguistics