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speed up
 
Noun speed up has 1 sense
  1. acceleration, quickening, speedup - the act of accelerating; increasing the speed
    --1 is a kind of speed, speeding, hurrying
    Derived forms: verb speed up1, verb speed up2
Verb speed up has 2 senses
  1. accelerate, speed up, speed, quicken - move faster; "The car accelerated"
    --1 is one way to intensify, deepen
    Derived form: noun speedup1
    Sample sentence:
    These cars won't speed up
  2. accelerate, speed, speed up - cause to move faster; "He accelerated the car"
    --2 is one way to modify, qualify
    Derived form: noun speedup1
    Sample sentences:
    Somebody ----s something
    Somebody ----s somebody
    Something ----s somebody
    Something ----s something
speed of light speed on the fells speed skate speed skater speed skating speed stacking speed trap speed unit speed up speedboat speedboats speedbump speeded speeded up speeder speedier speediest

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