うわごとでしょう【
うわ言でしょう
】

uwagotodeshō

Noun

,

Desu Copula

Expresses probability in a polite manner ("probably…") of うわごと

1. Probably a murmur.; Probably self-talk.

Polite

,

Presumptive

,

Conjecture

,

Usually Written in Kana