あまったれではありませんでした
amattaredewārimasendeshita

Noun
Desu Copula
na-Adjective
no-Adjective

The polite, past negative form of 甘ったれ

1. Was not a spoiled child.; Was not coddled.; Was not weak-willed.

Past/Perfective
Negative
Polite
Formal Register