Dream about someone telling a secret states a loss or a period of mourning. You feel unsatisfied or unfulfilled with the current direction of your life. Something does not add up in your life. This hints how your compare yourself to others or how others perceive you. Perhaps you are lacking courage and refuse to make a stand.
Someone telling a secret dream draws attention to small and irrational fears that you are feeling in your life. You are experiencing some strong hostility and rage, where it is nearly destructive. You are ignoring everything else around you. The dream denotes your self-confidence, pride and conceit. There is something that you are not seeing clearly.
If you dreamt about someone telling a secret:
It is not that it is a particularly embarrassing subject, but just that it involves taking a risk, which can be problematic enough to negotiate at any time. If you can enter into the dialogue in the right way, it will all be fine.