まかせっきりじゃなかったです
makasekkirijanakattadesu

Noun
Desu Copula

The polite, past negative form of 任せっきり

1. Didn't leave it to [someone/something].; Wasn't entirely reliant on [someone/something].; Wasn't just leaving it up to [someone/something].

Past/Perfective
Negative
Polite
Casual Register