Definition of "jitter" in English

noun

1. A nervous action; a tic.

2. (chiefly in the plural, often with "the") A state of nervousness.

   • That creepy movie gave me the jitters.

3. (telecommunications) An abrupt and unwanted variation of one or more signal characteristics.

4. (data visualization) A random positioning of data points to avoid visual overlap.

verb

1. (intransitive) To be nervous.

2. (data visualization) To position data points randomly to avoid visual overlap.

noun

1. (computing) A program or routine that performs jitting; a just-in-time compiler.