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intr.v. jit·tered, jit·ter·ing, jit·ters
1. To be nervous or uneasy; fidget.
2. To make small quick jumpy movements: The pictures on the wall jitter whenever a truck drives by.
1. A jittering movement; a tic.
2. jitters A fit of nervousness. Often used with the.
a. An unwanted variation in an electronic or optical signal.
b. An unwanted variation in the arrival times of a sequence of data packets over a digital network.
[Perhaps alteration of chitter.]