To be worth: When somebody says that something is worth it, he or she is saying that it is a good thing to do or that they liked it.
In this video, the Israeli supermodel Bar Rafaeli pose for Sports Illustrated with the American swimmer Michael Phelps.They look like they having a really great time together.
- Bar Rafaele: It was definitely worth it... good partner for sure.
- Michael Phelps: I had a great day...
- The word definitely is a very a good element, it gives emphasis on the sentence.