必要 ひつよう不可欠 ふかけつではありませんでした
hitsuyōfukaketsudewārimasendeshita

Desu Copula
na-Adjective
no-Adjective

The polite, past negative form of 必要不可欠

1. Was not necessary.; Was not indispensable.

Past/Perfective
Negative
Polite
Formal Register