If you are kissing someone in romantic way, it shows your romantic feelings towards that particular person. You have a very close relationships to that person. If you kiss someone who is not your partner, it shows that you have the feelings to this person or would like to see the features of him/her in your partner. If the romantic kiss is not enjoyable, you do not have the sexual affection to this person or simply are angry for something and have unsolved problems. The romantic kissing could also show how much you are longing for it, because it dont experience romantic kissing in a very long time. To get more interpretation about your dream, please also see the meaning of non-romantic kissing.
Read more about dreaming of Kissing, romantic in other dream meanings interpretations.