jackrabbit


jackrabbit

adjective

  1. resembling a jack rabbit, as in suddenness or rapidity of movement: The car made a jackrabbit start when the traffic light turned green.

verb (used without object)

  1. to go or start forward with a rapid, sudden movement.
n.

1863, American English, shortening of jackass-rabbit (1851), so called for its long ears. Proverbial for bursts of speed (up to 45 mph).

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