If you dream that your spouse partner has made an adultery, means that you have the trust issues. You are afraid to lose this person, therefore you dream that he or she will find someone better than you. Some people who have experienced the adultery in reality dream about it either, because it was unforgettable and painful experience. The dream could also indicate the fact that you are very jealous person and do not trust your other half. If you have been betrayed through the adultery in your dream, it means that there are some unsolved issues with your partner and you wish for revenge or simply are angry.
Read more about dreaming of Adultery in other dream meanings interpretations.