also: だろ
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
明日は雨が降るだろう。
It will probably rain tomorrow.
彼はもうすぐ来るだろうと思う。
I think he'll come soon.
あの店は
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.
この映画、面白いだろう？
This movie is interesting, right?
I wonder if that shop is expensive.
やっぱりそう言うと思ったよ。だろうね。
I knew you'd say that. I thought you'd say that!
かもしれない expresses a weaker, more tentative possibility ('might') than だろう, which conveys a stronger expectation or confident guess.
だろう is the standard modern way to express conjecture, while ん conveys the same 'probably' meaning in classical texts.
だろう is the standard Japanese way to express speculation, while べ is a rustic Kantou/Touhoku dialect equivalent with a folksy tone.
だろう expresses conjecture about だ/です statements and is the more common, everyday way to guess, while う attaches directly to plain verb/adjective stems and now sounds more literary or fixed (書こう, 高かろう).
だろう is the standard Japanese sentence-ending auxiliary for conjecture, while ずら is a dialectal (regional) variant with the same meaning but a rustic, casual tone.
だろう is a more neutral tag question expressing likelihood, while じゃないか is casual and pushes the listener to agree.
だろ is a casual contraction of だろう that also seeks agreement, but っしょ sounds even more colloquial and often has a lighter, more playful tone.
だろう expresses plain conjecture or seeks simple agreement, whereas ではないか carries an extra nuance of mild surprise, discovery, or emphasis when confirming something.
だろう is the standard modern way to seek agreement or express supposition, whereas ぞい carries an old-fashioned, stylized flavor.
でしょう is the polite/formal counterpart of だろう, used in です・ます style speech while だろう is plain/casual.
Derived from the copula だ + the volitional/conjectural auxiliary う. The contracted form だろ is a casual spoken variant.