しかいじゃありませんでした
し甲斐じゃありませんでした
shikaijārimasendeshita

Noun
Desu Copula

The polite, past negative form of しがい

1. It wasn't worth it.; It was pointless.; It was no use.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana