0 a faint second image (= one that is pale and not strong or clear) that appears close to another image, usually because of a fault with a system or device or with someone's sight:
The TV picture in these remote stations was far from perfect, often compromised by ghost images and snow.
I encountered some ghost images when viewing Jupiter with a low-powered telescope.
If laser eye surgery goes wrong it can cause visual symptoms, including glare, halos, ghost images, and blurred vision.
Interference and ghost images caused by reflections of the received signal are more easily cancelled out in a digital television.
