Adjective
-
difficult to find
"hidden valleys"
"a hidden cave"
"an obscure retreat"
-
designed to elude detection
"a hidden room or place of concealment such as a priest hole"
"a secret passage"
"the secret compartment in the desk"
-
not accessible to view
"concealed (or hidden) damage"
"in stormy weather the stars are out of sight"
- out of sight