恐らく (Osoraku) is a Japanese adverb meaning “probably, (most) likely, in all likelihood, I suspect”.
Meanings
- adverbprobably; (most) likely; in all likelihood; I suspect; I dare say; I'm afraidoft. used when predicting a negative outcome
Examples
彼はおそらく来るだろう。
He is likely to come.
恐らく明日は晴れでしょう。
It will be fine weather tomorrow, perhaps.
おそらく彼は負けるだろう。
The chances are that he'll be beaten.
Sentences from Tatoeba (CC BY 2.0 FR).