Obstacles - Obstacles which can take the form of a hill, dark forest or a wall in a dream suggest that you need to overcome difficulties just the way you handle them in the dream.
Octopus - The tentacles of the octopus in the dream indicate that you might be drawn towards something that seems to be frightening.
Odour - A good smell signifies good times in future whereas an unpleasant smell is a warning sign for bad times ahead.
Old man - The image of an old man is symbolic of incompatibility.
Onions - To see large quantities of onions in your dream indicates that you will suffer from envy and malice after being successful.
Orchard - The image of an orchard in a dream is suggestive of fertility.
Owl - To hear the voice of an owl in your dream is a warning signal indicating death.