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speed - definition and synonyms


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noun speed pronunciation in British English /spiːd/
Word Forms
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  1. 1
    [countable/uncountable] the rate at which someone or something moves
    speed of: The device measures the speed and direction of the wind.
    top speed (=the fastest that something can travel): The new model has a top speed of 125 miles per hour.
    pick up/gather speed (=go faster): The hurricane has picked up speed and turned towards the coast.
    1. a.
      the rate at which a machine works
      a printing speed of 6 pages per minute
    2. b.
      the rate at which something happens
      They were working with incredible speed.
  2. 2
    movement that is very fast
    The main advantage of this bike is its speed.
    at speed (=very fast): The car drove off at speed.
  3. 3
    [countable] a gear1 1
    a car with a 5-speed gearbox


a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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