The meaning of evening gown in dream | Dream Interpretation
Denoting elegance and formal attire, selecting an evening gown in your dreams may suggest rising to a special occasion, which requires that you cultivate poise, manners, and a stylish presence. It may signify preparation for meeting a man
The image of evening dress combines enjoyment and culture, a cultivated passion that one can either experience or long for. See Suit, Ball, Dress.
The color of the evening gown has great symbolic importance.
As a “wishful dream”: a longing for social advancement. It may be that there is happiness about reaching it, or a failure to know how to handle it.
Folklore: The more beautifully the woman is dressed, the worse the omen.