Meaning of 多分 in Japanese

Definition of 多分

たぶん(tabun) 【多分】

(adv, n) perhaps; probably
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.
(adj-na, adj-no) generous; many; much; great

ごたぶん(gotabun) 【御多分 ·ご多分】

ごたぶんにもれず(gotabunnimorezu) 【ご多分にもれず ·ご多分に漏れず ·御多分に漏れず ·ご多分に洩れず ·御多分に洩れず ·御多分にもれず】

たぶんに(tabunni) 【多分に】

The front-roller thrust angle is 2 degrees, probably there were plans to strengthen that angle a little when racing.

ああ、多分たぶんこの県道けんどうまっすぐで・・・。

Ah, I reckon you go straight down this prefectural road ...

今年の冬ふゆは多分たぶん非常にひじょうに寒いだろう。

We expect a very cold winter this year.

You probably don't understand a word I'm saying today.

君きみは多分たぶんこの本ほんを読んでしまったでしょう。

You may have read this book already.

If something doesn't make sense, it probably isn't logical.

Now that you know the truth, perhaps you'll feel better.

それは多分たぶん本当だろう。

It may well be true.

そのニュースは多分たぶん本当だろう。

The news may well be true.

この本ほんは多分たぶん君のきみ役に立つやくにたつだろう。

This book may well be useful to you.