(1) An empty container may be a sexual symbol, representing the womb, or woman.
(2) What is empty in the dream may be something that symbolizes the self - a room, for example, or house. In that case, it may represent your own (feeling of) emptiness. According to Freud, when a person suppresses or represses something, it often happens that nothing else comes to take the place of what has been suppressed / repressed, and the consequence is that the person’s life becomes empty. (For suppression / repression)
(3) Emptiness, an empty landscape or an empty container, may be a symbol of potentiality: where there is nothing, there is room for anything. The unconscious is sometimes visualized as an empty container, but — again — as containing the potential for all future personal growth.... A Dictionary of Dream Symbols
Example: ‘I was down in a low bit of a village, trying to get to a road high up on a hill where the sun was shining and was walking through dark, empty houses’ (Heather).
The use of empty in this dream can be understood by the comparison existing between the ‘down low, empty houses’ feeling, and the ‘high up, sunny hill’ feeling.
Generally lack of pleasure, enthusiasm, good feelings; loneliness; lack of relationship; sense of isolation. Or lack of one’s potential, opportunity, space to be oneself. Empty house, buildings, shell : outgrown habits or ways of life; old attitudes; death; potential. See also house. ... A Guide to Dreams and Sleep Experiences
1- I’o experience emptiness in a dream indicates there is a lack of pleasure and enthusiasm. We could be suffering from a sense of Isolation, or perhaps of not having anything to hold on to. We may have had expectations which cannot be realised.
2- We may need space to be ourselves in order to come to terms with what is occurring in our lives. ‘I’o be in an empty house or building denotes the fact that we have left behind old attitudes and habits.
3- Spiritually, any sort of experience which brings about an emptiness signifies the Void.... Ten Thousand Dream Dictionary
Dreams of feeling empty symbolize that you’ve not been tending to your needs, you’re running on empty, your tank is low, and you are processing and releasing feelings of emptiness, loneliness and lack of connection to your purpose. Your dream is telling you that it is time to fill your well with soul food that will nurture your body, mind and soul. See Low Tide.... Strangest Dream Explanations
Material aspects: To experience emptiness in a dream indicates there is a lack of pleasure and enthusiasm. We could be suffering from a sense of isolation, or perhaps of not having anything to hold on to. We may have had expectations that cannot be realized.... Dream Meanings of Versatile
To be aware of emptiness, or to find something empty when you expected it would be full, suggests that you are contemplating some venture or activity which would turn out to be disappointing and a waste of effort. Don’t try anything unfamiliar for a while after you have this dream.... My Dream Interpretation
Schools, colleges, universities and the workplace have much in common. They are all centers of learning, anxiety and ambition, and places where people interact and learn from each other. This is why the unconscious may use them as interchangeable dream metaphors. Your boss may appear in your dream as a teacher, or colleagues may appear in the guise of school friends or classmates. So if a dream places you in a workplace, remember to look for any links with school scenarios.
If your dream featured your actual workplace and colleagues you work with everyday, it may have been highlighting your preoccupation with your job. It may also have been trying to draw your attention to a specific aspect of your job. You spend much of your time at work, so work is of considerable importance emotionally.
If you are comfortable at work, dreams of the workplace and the people with whom you work may become symbols of reassurance and reward; but if you are not comfortable at work, they can become symbols of frustration.
If you had a dream in which you were performing mindless repetitive tasks on an assembly line, perhaps you feel as if you are being treated like a mindless automaton in waking life or that others are making relentless demands on you. Or do you feel that you are losing your sense of identity in your job or that people in your life are taking you for granted?... The Element Encyclopedia