1.NounA carnival attraction with curved mirrors (funhouse mirrors) that distort the viewer's appearance.
"The hall of mirrors was her favorite attraction at the fair."
2.NounA situation confusing for its false appearances, especially when they are compounded upon one another.
"The lies had become a hall of mirrors by the time the scam was exposed."
3.NounA glitch in some three-dimensional games where a missing texture prevents part of the scene from being rendered correctly, causing a trail of previously rendered frames to appear instead.