something A lost opportunity; forgetting something which is important. Depending on dream, might also suggest actual, or feelings about, loss of virginity; loss of health, losing a lover/partner, or whatever the lost thing depicts.
When this dream occurs review what are the truly “precious” and “important” things that you want to take with you and decide what you can safely let go of to allow space for new growth.
• Dreaming of losing things tends to reflect a life that is so overwhelming you’ve lost sight of what’s important to you. Your dreaming mind is left to process the personal frustrations that you haven’t dealt with because you’ve been too ‘frantic’ or anxious.
• This dream can be resolved by addressing the balance of your daily activities.... The Premier in Dream Dictionary
To dream of closing something, such as a window or door, suggests that you are closing the chapter on something in your life. This may be an opportunity you turned down, a path not taken, or a relationship that is ending. This dream may also represent aspects of yourself that you are keeping hidden from other people.... My Dream Interpretation
(Defeat; Depression) Losing a fight in a dream means joy. Losing a fight in a dream also could mean vanquishing one’s enemy if they are compatible. Otherwise, the winner of a fight is a dream denotes the loser in wakefulness. (Also see Defeat)... Islamic Dream Interpretation
Not being able to find your car may represent losing your connection to your body, reflecting that you frequently may be too spaced out and ungrounded. Not having a car in a dream may prevent you from finding your way home to wholeness.... Ariadne's Book of Dream
This omen depends largely upon the nature of the article Lost, apart from being an obstacle dream, indicating difficulty ahead, unless you soon find the missing article. It is a sign of domestic trouble if a woman dreams that she has Lost her weddin*” ring.
To dream that you have Lost your shoes, or some other important article of clothing is very unfortunate, for your troubles will be due to your own attempts at being too clever.... Mystic Dream Book
For a woman to dream she has lost her wedding-ring, signifies she has but small love for her husband; but if she dreams she has found it again, it is a sign her love is not wholly lost And if a man dream of losing his shoes, and then his feet are bare, if he be of a sanguine complexion, it signifies be shall meet with reproaches, especially if be dreams it in the first day of the new moon.... The Complete Dream Book