むやみやたらじゃなかったです
無闇やたらじゃなかったです
muyamiyatarajanakattadesu

Noun
Desu Copula
na-Adjective

The polite, past negative form of むやみやたら

1. Wasn't excessive.; Wasn't unreasonable.; Wasn't random.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana