Jumpy

jumpy
    adj 1: being in a tense state [syn: {edgy}, {high-strung},
           {highly strung}, {jittery}, {jumpy}, {nervy},
           {overstrung}, {restive}, {uptight}]
    2: causing or characterized by jolts and irregular movements; "a
       rough ride" [syn: {rough}, {rocky}, {bumpy}, {jolty},
       {jolting}, {jumpy}] [ant: {smooth}]
    

Jumpy \Jump"y\, a. [Compar. {Jumpier}; superl. {Jumpiest}.]
   Jumping, or inducing to jump; characterized by jumps; hence,
   extremely nervous; jittery.

   Syn: edgy, fidgety, high-strung, in suspense(predicate),
        jittery, nervous, nervy, overstrung, restive, uneasy,
        uptight.
        [Webster 1913 Suppl. WordNet 1.5]
    

93 Moby Thesaurus words for "jumpy":
      agitated, all shook up, all-overish, anxious, bashful, bustling,
      convulsive, cowardly, diffident, discomposed, disquieted,
      disturbed, eclamptic, edgy, excited, fearful, fearing, fearsome,
      feverish, fidgeting, fidgety, fitful, flurried, flustered,
      fluttering, fluttery, fretful, fussing, fussy, goosey, goosy,
      high-strung, in a quiver, in fear, jerking, jerky, jiggety,
      jittery, mousy, nervous, nervy, on edge, orgasmic, panicky,
      perturbed, queasy, quivering, quivery, rabbity, restive, restless,
      ruffled, saltatory, scary, shaken, shaken up, shaking, shaky,
      shivering, shivery, shook up, shrinking, shy, skittery, skittish,
      spasmodic, spastic, spooky, startlish, stirred up, tense, timid,
      timorous, trembling, trembly, tremulant, tremulous, trepidant,
      trigger-happy, troubled, troublous, turbulent, twitchety,
      twitching, twitchy, twittery, uneasy, unpeaceful, unquiet,
      unrestful, unsettled, upset, vellicative