Prying, a.
Inspecting closely or impertinently.
Syn. -- Inquisitive; curious. See Inquisitive.
Shades of meaning
Fernald has no entry of its own for prying; he lists it under inquisitive.
Where he writes about it:
An inquisitive person is one who is bent on finding out all that can be found out by inquiry, especially of little and personal matters, and hence is generally meddlesome and prying. — from inquisitive