Definition of jitter
(Entry 1 of 2)
2
: the state of mind or the movement of one that jitters
3
: irregular random movement (as of a pointer or an image on a television screen)
also
: vibratory motion
jitter
verb
jittered; jittering; jitters
Definition of jitter (Entry 2 of 2)
1
: to make continuous fast repetitive movements
2
: to be nervous or act in a nervous way
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
The Exceptions Quiz III
-
- Which of these words does not mean "nonsense"?

Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share jitter
Time Traveler for jitter
The first known use of jitter was in 1929
See more words from the same year