absolutely、certainly、definely的分別??

Absolutely=絕對地
Her answer is absolutely correct.
He is a absolutely good father.
Certainly=無疑地
I certainly feel you pain.
You certainly know what I need.
Or, Certainly=(用於回答)當然;可以;沒問題
A: May I ask you a question?
B: Yes, certainly!!
Definitely=清楚地,肯定地
1 cm is definitely short than 2 cm.
A is definitely smarter than B.

2008-08-23 11:22:12 補充：
Sorry, mistyped on the 2nd examples:
He absolutely is a good father.