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speed up

 - definition

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90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



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phrasal verb
Word Forms
present tense
I/you/we/theyspeed up
he/she/itspeeds up
present participlespeeding up
past tensesped up or speeded up
past participlesped up or speeded up

Related dictionary definitions

  1. 1
    [intransitive] to move or happen faster

    You see drivers speeding up when they should be slowing down.

  2. 2
    [transitive] to make something move or happen faster
    speed things up:

    We're hoping the changes will help speed things up a bit.

See also main entry: speed

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the gear that you use for driving a vehicle very slowly

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