Meaning of jittery

jit•ter•y

Pronunciation: ( jit'u-rē), [key]
— -ter•i•er, -ter•i•est.
  1. extremely tense and nervous; jumpy: He's very jittery about the medical checkup.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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