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English definition of “jittery”

jittery

adjective     /ˈdʒɪt.ər.i/ US  /ˈdʒɪt̬.ɚ-/ informal
nervous: He felt all jittery before the interview.Anxious and worried shaking and slightly uncontrolled: I get really jittery if I drink too much coffee.Anxious and worried
(Definition of jittery adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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