ひとりよがりではありませんでした
hitoriyogaridewārimasendeshita

Noun
Desu Copula
na-Adjective
no-Adjective

The polite, past negative form of 独りよがり

1. Was not self-absorbed.; Was not arbitrary.; Was not opinionated.

Past/Perfective
Negative
Polite
Formal Register