Closely Guarded Secret
 

* 1.hidden secret
2.secret which is protected
English Related Words* an open secret
* armenian secret army for the liberation of armenia
* be in on the secret
* be in the secret
* best-kept secret
* betray a secret
* can keep a secret
* closely
* closely attached
* closely held
* closely held company
* closely held corporation
* closely knit
* closely packed
* closely resembles