A state of discomposure
To be irresolute in acting or doing
Most women would be in a dither trying to get everything just right for their wedding.
When a browser would see a color that it was not able to show clearly, it would "dither" the two closest colors it could find.
If you want to reduce the size of a graphic by specifying a palette, it is much better to use an "adaptive palette" and trust the computer to dither the colors in the best possible way.
dither pattern or even the detector's field of view.
dither about on this issue.