spy hole
Peek-through door opening
A spy hole is a small opening in a door or wall that allows someone inside to see who's outside without being seen or opening the door.
Also called a peephole.
She checked the spy hole before unlocking the door.
- door viewerSmall lens showing visitors
- keyholeOpening for a lock
- apertureAdjustable optical inlet
- front doorPrimary household entry point
- surveillanceSystematic observation of subjects
hidden camera · peek · watch · lens · door · security · voyeur · nosy neighbor · observation · keep watch · hidden · secret · eye · glimpse · slit · opening · camera · monitor
- kiln partschamber, shelf, door, lid, floor
- hardwaredoor handle, hinge, lock, latch, screw
- secret passagessecret passage, hidden door, hidden panel, hidden staircase, secret door
spy holepicture window
Large undivided window
glass door · window · bay window · French doors · window wall
spy holewelcome mat
Rug at the entrance
open door policy · observation deck · display window · shop window · two-way mirror
spy holetwo-way mirror
Selectively transparent reflective pane
window · video call · face-to-face meeting · open door · glass panel
spy, hole, spies, spied, spying, spymaster, holes, holed, holing