Zipper in your dream may be interpreted as the sign of sexuality and sexual innuendos. If you see that you are unzipping in your dream, it means that you are opening up. If in your dream you are zipping up, tells you that you are hiding your emotions and feelings.
If dream that you are trying to open a broken zipper may implies that you cannot resolve your relationship problems. If you fix the broken zipper in your dream tells you that you are capable to find the solution and resolve the problems.