Secret, surreptitious, concealed.
Under coverture.
A covering.
A disguise.
A feather that covers the bases of flight feathers.
Area of thick undergrowth where animals hide.
A hiding place.
Secretive; reserved.
Not publicly known; not open; secret.
Not shared with another patient.
Not accessible by the public.
Belonging to, concerning, or accessible only to an individual person or a specific group.
Protected from view or disturbance by others; secluded.
Accessible only to the class itself or instances of it, and not to other classes or even subclasses.
Not traded by the public.
Not in governmental office or employment.
To make something hidden from the public (without deleting it permanently).
A private lesson.
The genitals.
A soldier of the lowest rank in the army.
A doctor working in privately rather than publicly funded health care.