jitter

[ jit-er ]
/ ˈdʒɪt ər /

noun

(the) jitters, nervousness; a feeling of fright or uneasiness: Every time I have to make a speech, I get the jitters.
fluctuations in the image on a television screen or in copy received by facsimile transmission, caused by interference or by momentary failures of synchronization.

verb (used without object)

to behave nervously.

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Origin of jitter

First recorded 1920–25; variant of chitter “to shiver” (Middle English chiteren ), modification or variant of chatter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for jitter

British Dictionary definitions for jitter

jitter
/ (ˈdʒɪtə) informal /

verb

(intr) to be anxious or nervous

noun

the jitters nervousness and anxiety
electronics small rapid variations in the amplitude or timing of a waveform arising from fluctuations in the voltage supply, mechanical vibrations, etc

Word Origin for jitter

C20: of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012