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Adjective: jumpy (jumpier,jumpiest)  júm-pee
  1. Causing or characterized by jolts and irregular movements
    - rough, rocky, bumpy, jolty, jolting
  2. Being in a tense state
    "jumpy parents are sensitive themselves";
    - edgy, high-strung, highly strung, jittery, nervy, overstrung, restive, uptight [informal], squirrelly [N. Amer, informal]

Derived forms: jumpier, jumpiest

See also: tense

Antonym: smooth

Encyclopedia: Jumpy