あほうじゃなかったです
阿呆じゃなかったです
ahōjanakattadesu

Noun
Desu Copula
na-Adjective

The polite, past negative form of あほ

1. Wasn't foolish.; Wasn't silly.; Wasn't slow-witted.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana