Dreams dictionary: Rumor
Dreams dictionary: Interpretation 1
To hear a rumor in your dream signifies a hidden message from your subconscious. Alternatively, the dream may be telling you that you should not believe everything you hear. You need to do your own research and get a first hand account on things before making a judgment call.
Dreams dictionary: Interpretation 2
To spread a rumor in your dream signifies your personal insecurities.