US /ɪkˈsɛl.əˌɹeɪt/ UK /əkˈsɛl.əˌɹeɪt/
verb adj Freq #15453

Meanings

  1. 1
    verb

    To move faster or to make something move faster.

    The car accelerated as soon as the light turned green.

  2. 2
    verb

    To make a process or change happen more quickly.

    Warmer temperatures can accelerate the growth of these plants.

Thesaurus

Synonyms
1 verb · to move faster or to make... speed
2 verb · to make a process or change... hastenexpeditequicken
Opposites
decelerateretardunaccelerate
Word family
Forms acceleratedacceleratesaccelerating
Derived forms acceleratableacceleratinglyaccelerativeacceleratordeacceleratenonacceleratingoutaccelerateoveracceleratepost-acceleratereaccelerateunaccelerating
Related forms accelerandoaccelerantaccelerationaccelerographaccelerometer

Etymology

First attested in the 1520s. Either from Latin accelerātus, perfect passive participle of accelerō (“to accelerate, hasten”) (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), formed from ad + celerō (“to hasten”), which is from celer (“quick”) (see celerity), or back-formation from acceleration.

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Topics

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