Accelerate
Accelerate verb - To cause to move or proceed fast or faster.
Usage example: we accelerated preparations for the hurricane upon hearing weather reports that it had gained speed
Speed is a synonym for accelerate in hasten topic. In some cases you can use "Speed" instead the word "Accelerate" as a verb or a noun, when it comes to topics like fast, quicken, speed up. popular alternative
Mutual synonyms
Common collocations
Both words in one sentence
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It will, in time, accelerate to faster than the speed of light (it's not that distant objects are actually moving that fast, but that space itself it stretching at that speed), at which point light from those objects will no longer reach us.
Source: The Stars Are Going Out -
Though they don't have the highest top speed, lightweight characters are de facto quite fast thanks to being able to accelerate quickly in addition to having the highest handling and off-road.
Source: Video Game / Mario Kart -
There's no law that space itself cannot exceed c, so instead of trying to accelerate the object past the speed of light, you move space itself around the object.
Source: Alcubierre Drive
Cite this Source
Speed and Accelerate. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/accelerate/speed
Accelerate & Speed. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/accelerate/speed>.
Speed or Accelerate. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/accelerate/speed.
Google Ngram Viewer shows how "accelerate" and "speed" have occurred on timeline