Interpretation of the Dream
Seeing the wife of the brother-in-law in a dream indicates that if the person is single, he/she will get married, take very auspicious steps to establish a happy home in family life, receive good news about a health problem experienced by a distant relative, read and be informed, his/her projects and works will be appreciated, thus both his/her rank and earnings will increase, he/she will be a much sought-after and remarkable person thanks to the works he/she will put forward, greater respect will be gained.
Also seeing the wife of the brother-in-law in a dream indicates that he/she will be a loved and respected person and will start a business with family members, evil will stay away from the person's life, he/she will be offended by this situation, the rest of his/her life will continue comfortably, he/she will experience problematic situations due to some bad and unkind people in his/her life, it is interpreted in abundance.
Psychological Perspective
Psychologically, seeing your brother-in-law's wife in your dream is interpreted as a sign that you will live a wasteful, extravagant life throughout your life, your longing will be fulfilled, you will live for many years, you will suffer a lot of losses at work, you will feel great relief financially, your opportunities to do profitable work will increase and you will have countless opportunities.