謬妄 びゅうもうじゃありませんでした
byū mōja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 謬妄

1. It was not a mistake.; It was not an error.; It was not a falsehood.; It was not groundless.

Past/Perfective
Negative
Polite
Terminal Form