親和 しんわ せい成熟 せいじゅくではありませんでした
shinwaseiseijukudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 親和性成熟

1. Was not affable/compatible.; Was not mature in affinity.

Past/Perfective
Negative
Polite
Formal Register