jitter noun & verb. ['dʒɪtǝ] colloq. E20.
[Origin unkn.]
A. noun.
1. In pl. Extreme nervousness; a state of emotional (and physical) tension; agitation. Usu. with the. E20.
■ F. M. Ford The publishers here have the jitters so badly..they won't look at anything new. Economist Recession jitters now afflicting..economists.

2. Chiefly Electronics. Slight random or irregular variation, esp. in the shape or timing of a regular pulse; unsteadiness of an image etc. due to this. M20.
b. verb.
1. verb intrans. Move or act nervously; exhibit nervousness. E20.

2. verb trans. Chiefly Electronics. Subject to slight random or irregular variation. M20.

[TahlilGaran] English Dictionary ▲