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.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.