ADJ.
behind, beneath, lay, long, outside, secret, thick, under
A secret compartment lay hidden beneath the floorboards of the old house.
VERB + HIDDEN
believed, decided, found, house, keep, lie, presents, show
The valuable documents were kept hidden in a safe behind the painting.
HIDDEN + NOUN
bed, bushes, floorboards, glories, ivy, moon's, sorrow, talents
The old cottage's hidden glories were finally revealed after decades of neglect.
PREP.
in, with
She found old letters hidden in the attic behind some boxes.
ADV.
somewhere
The old photograph was hidden somewhere in the attic for decades.