なおざりじゃありませんでした
等閑じゃありませんでした
naozarijārimasendeshita

Noun
Desu Copula
na-Adjective

The polite, past negative form of なおざり

1. It was not negligible.; It was not insignificant.; It was not to be dismissed.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana