Accelerate Meaning

/əkˈsɛl.əˌɹeɪt/
C1

Definition, CEFR level C1, pronunciation, examples, and quiz.

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verbTo cause to move faster; to quicken the motion of; to add to the speed of.

verbTo quicken the natural or ordinary progression or process of.

The policy will only accelerate inflation.
Put it in first and slowly let out the clutch while you gradually accelerate.
Sami's life began to accelerate at an incredible pace.
Synonyms:
Antonyms:
None
CEFR Practice Quiz
To reach the finish line before the storm, the driver had to ____ the car's speed.
CEFR Practice Quiz (Alternate)
Drivers must ____ carefully when merging onto the busy highway.

Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *kel-der. Latin celer Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Italic *-āō Latin -ō Latin celerō Latin accelerō Latin accelerātuslbor. ▲ Latin accelerō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin accelerātiōder. English accelerationbf. English accelerate 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.

"Nevertheless, it is clear that the global energy demand for air-conditioning will grow substantially as nations become more affluent, with the consequences of climate change potentially accelerating the demand." — 2013 September-October, Michael Sivak, “Will AC Put a Chill on the Global Energy Supply?”, in American Scientist:
"... a general knowledg of the definition of motion, and of the distinction of natural and violent, even and accelerate, and the like, sufficing." — 1662, Thomas Salusbury, Galileo's Dialogue Concerning the Two Chief World Systems, Dialogue 2:

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CEFR Practice Quiz
To reach the finish line before the storm, the driver had to ____ the car's speed.
CEFR Practice Quiz (Alternate)
Drivers must ____ carefully when merging onto the busy highway.

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