DICTIONARY
O - To see the letter "O" in your dream signifies an exclamation of surprise as in "oh!". Alternatively, the letter O implies that you need to open wide. Perhaps there is something that you need to open up about and vocalize. It may refer to a sexual innuendo as in "the big O" or orgasm. This letter may also share the same significance as the number zero or a circle.
Oak Tree - To see an oak tree in your dream symbolizes longevity, stability, strength, tolerance, wisdom, and prosperity. You have built a solid foundation for success in some endeavor. If there are acorns on the tree, then the symbol refers to your climb up the social ladder and rise in status.
Oars - To see or use oars in your dream signify control over your emotions. You are able to navigate through life based on the lessons and skills you have learned. If you are rowing energetically, then it suggests that you need to approach some situation with more aggression and determination. To dream that you are paddling with one oar indicates that you are going around in circles and headed nowhere. You need help in some situation or matter. Alternatively, it suggests that you are missing a partner in life. If you lose an oar, then it suggests that you have lost your groove or have taken something for granted.
Oasis - To see an oasis in your dream refers to your need for a vacation. You need to allocate time for pleasure leisurely pursuits. To dream that you are searching for an oasis symbolizes inner fears, insecurities, and overwhelming circumstances. You are looking for emotional support.
Oath - To dream that you are taking an oath represents your need for the truth. It also symbolizes your commitment and dedication. To dream that you refuse to take an oath suggests that you are trying to hide something.
Oatmeal - To dream that you are eating oatmeal suggests that you are well-grounded. To dream that you are making oatmeal represents control over the destiny of someone close to you. To dream that you are eating an oatmeal cookie suggests that it is okay to indulge once in a while.
Oats - To see or eat oats in your dream symbolize simplicity, comfort and solace. It represents the basic necessities of life.
Obedience - To dream that you are obedient represents acknowledgement of a higher power. You are experiencing some new spiritual enlightenment. Alternatively, the dream suggests that you are not voicing your opinions or beliefs loud enough. If someone is being obedient toward you, then it refers to the influence, power and authority you have over others. To dream that you are not obedient represents a rebellious attitude. Perhaps you are feeling insecure about a situation.
Obelisk - To see an obelisk in your dream signifies your cold and harden nature. You need to need to warm up to others and soften your nature. A obelisk may also have phallic connotations.
Obese - To dream that you are obese denotes overindulgence. You feel helplessness in expressing your power and authority. By dreaming that you are obese, you are trying to insulate yourself from your surroundings and protect yourself from involvement in the situation. Alternatively, the dream may just be a reflection of your waking weight or dieting issues. You have an skewed perception of your own image which may stem from low self-esteem. *Please see also Fat.