むやみやたらじゃなかった
無闇やたらじゃなかった
muyamiyatarajanakatta

Noun
Da Copula
na-Adjective

The past negative form of むやみやたら

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

Past/Perfective
Negative
Usually Written in Kana