だろう

expression

seems; I think; I guess; I wonder; I hope

Expresses conjecture, probability, or personal opinion. Often softens a statement. Can also convey hope or wondering when used with question words or rising intonation.

See also: でしょう

• 明日あしたは雨あめが降ふるだろう。

  It will probably rain tomorrow.

• 彼かれはもうすぐ来くるだろうと思おもう。

  I think he'll come soon.

• あの店みせは高たかいだろうか。

  I wonder if that shop is expensive.

expression

right?; don't you agree?; I thought you'd say that!

Seeks agreement or confirmation from the listener. Often used with a rising intonation. The gloss 'I thought you'd say that!' is a specific idiomatic use when responding to a predictable remark.

• この映えい画が、面おも白しろいだろう？

  This movie is interesting, right?

• やっぱりそう言いうと思おもったよ。だろうね。

  I knew you'd say that. I thought you'd say that!