Main Entry:

¹jit·ter

Pronunciation:

\ˈji-tər\

Function:

noun

Etymology:

origin unknown

Date:

1929

1plural : a sense of panic or extreme nervousness <had a bad case of the jitters before his performance>2: the state of mind or the movement of one that jitters3: irregular random movement (as of a pointer or an image on a television screen) ; also : vibratory motion