Meaning & use

accelerate

verb·Academic

To increase in speed, or to make something happen sooner or more quickly.

See it in a sentence

The car accelerated smoothly as it merged onto the highway.

New funding helped accelerate the development of the vaccine by several months.

A note on using this word

Accelerate applies literally to physical speed, such as vehicles, and figuratively to processes, such as growth, progress, or change.

Words with a similar meaning

speed uphastenquicken

Choose a synonym to suit the sentence. Meanings can overlap without being identical.

Words with an opposite meaning

decelerateslow

Make it your own

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