恐らく

おそらくosoraku

adverb

  1. probably
  2. (most) likely
  3. in all likelihood
  4. I suspect
  5. I dare say
  6. I'm afraid

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences