Hypertext Webster Gateway: "jumpy"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Jumpy \Jump"y\, a. [Compar. {Jumpier}; superl. {Jumpiest}.]
Jumping, or inducing to jump; characterized by jumps; hence,
extremely nervous.
From WordNet (r) 1.7 (wn)
jumpy
adj : being in a tense state [syn: {edgy}, {high-strung}, {highly
strung}, {in suspense(p)}, {jittery}, {nervy}, {overstrung},
{restive}, {uptight}]
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