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speed   up  

speed up

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speed up in WordNet English dictionary

verb
  1. move faster
    "The car accelerated"
    accelerate  speed up  speed  quicken 
  2. cause to move faster
    "He accelerated the car"
    accelerate  speed  speed up 
WordNet Lexical Database v3.0, © 2006 Princeton University


speed up in English Wiktionary

 
  1. (verb) (idiom) To accelerate, to increase speed
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