多分
Common
Adverb
1
adverb (fukushi)
probably;likely;perhaps;maybe
君にはたぶんみんなわかっていることでしょう。
I expect you know all about it.
2
nouns which may take the genitive case particle 'no'adjectival nouns or quasi-adjectives (keiyodoshi)
a lot of;much;many;considerable;large (amount);generous