緊張 きんちょう激化 げきかじゃなかったです
kinchōgekikajanakattadesu

Noun
Desu Copula

The polite, past negative form of 緊張激化

1. Wasn't intensifying.; Wasn't getting tense.; Wasn't escalating.

Past/Perfective
Negative
Polite
Casual Register