べらぼうでわありませんでした
箆棒ではありませんでした
berabōdewārimasendeshita

Noun
Desu Copula
na-Adjective

The polite, past negative form of べらぼう

1. Was not a baton.; Was not skilled/capable.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana