1. A narrow corridor, alley, or route that is hidden from public view and removed from the main areas of activity
The old mansion had a secluded passage that connected the library to the master bedroom.
A mansão antiga tinha uma passagem isolada que conectava a biblioteca ao quarto principal.
2. A private or concealed pathway used to avoid crowds or observation
The castle featured a secluded passage for the royal family to move about unseen.
O castelo apresentava uma passagem isolada para a família real se mover sem ser vista.