To see cobwebs in a dream, symbolizes the unused power and abilities you are carrying with yourself. Perhaps you are not appreciating the gifts you were given by life and not using them completely.
Dream dictionary: ebs dream meanings
…falsehood or become affected. If one sees a common marketplace on fire, or filled with people, or with a stream of fresh water running in the middle of it, or if it is fragrant with perfumes in the dream, then it represents good business for everyone and increase in their profits, though hypocrisy will later on spread among the people. Otherwise, if one finds the shops closed, the merchants drowsing and spiders webs spreading in every corner and covering the merchandise in the dream, it means stagnation of business or suffering major losses. Seeing the marketplace in a dream is also interpreted to represent the world. Whatever affects it will show in people’s lives, in their mosques, churches, or temples including their profits, losses, clothing, recovering from illness, lies, stress, sorrows or adversities. If the market is quiet in the dream, then it represents the laziness of its salespeople. (Also…
…Dreaming of a spider, denotes that you will be careful and energetic in your labors, and fortune will be amassed to pleasing proportions. To see one building its web, foretells that you will be happy and secure in your own home. To kill one, signifies quarrels with your wife or sweetheart. If one bites you, you will be the victim of unfaithfulness and will suffer from enemies in your business. If you dream that you see many spiders hanging in their webs around you, foretells most favorable conditions, fortune, good health and friends. Dreaming of a large spider confronting you, signifies that your elevation to fortune will be swift, unless you are in dangerous contact. Dreaming that you see a very large spider and a small one coming towards you, denotes that you will be prosperous, and that you will feel for a time that you are immensely successful…
To see spider-webs, denotes pleasant associations and fortunate ventures.
…Dreaming of webs, foretells deceitful friends will work you loss and displeasure. If the web is non-elastic, you will remain firm in withstanding the attacks of the envious persons who are seeking to obtain favors from you….
If we are debating in the spider web, then it indicates that we are in a delicate and committed situation where we don´t know how to get out. If we dream about objects covered with spider webs, then it means that we have forgot what those objects mean to us or it is a suggestion that we should forget it at all.
(Auditorium | Large hall) A large hall in a dream means comfort, overcoming financial difficulties, a helping wife, a good mistress of the house, a high ranking position that involves little danger, a highway sign, a praiseworthy son, a hard working employee, or a good investment. If the hall is dark, dirty and filled with insects and spider webs in the dream, then it means the opposite.