Committing adultery in a dream is usually not a sign that you wish to commit adultery in waking life.
Often, dreaming about committing adultery can be a safe way to satisfy your sexual curiosity.
What are some of the characteristics of the person with whom you commit adultery?
A sex act in a dream can sometimes represent the joining of different aspects of the personality.
Your adulterous partner can represent qualities that you need to incorporate into your personality.
Sometimes, the person you commit adultery with in your dream can represent a side of your spouse that you do not usually see.
Dreaming that you commit adultery can mean that you feel that you are being disloyal about something.
This interpretation applies whether you are married or unmarried in waking life.
If you are married and are feeling dissatisfied with some aspect of your marriage, a dream that you commit adultery can be a sign that you want something about your relationship to change.