dither

To tremble, shake, or shiver.

Presently he came running out of the scullery, with the soapy water dripping from him, dithering with cold.

To be uncertain or unable to make a decision; to vacillate, hesitate, or delay.

2012, The Economist, Sept. 22nd issue, "Indian Reform: At Last" The dithering Mr Singh of recent times may worry that his reform proposals are already too bold. The reforming Mr Singh of yore would see them as just the start.

To do something nervously.

To apply an algorithm to digital data to minimize the effects of quantization:

Look at how pixelly this wall texture is. You almost don't even notice the dithering when driving by quick. Up close though, it's real chunky.

To apply an algorithm to digital data to minimize the effects of quantization:

Trembling, shaking, or shivering.

A state of nervous excitement.

Everyone was in a dither; either in it or about to get in it or just climbing out of it. Naturally, the Madam was not in a dither. Dither was a foreign concept to her.

The state of being undecided; indecision; vacillation.

Any algorithm applied to digital data to minimize the effects of quantization:

Any algorithm applied to digital data to minimize the effects of quantization: