ACCELERATION Synonyms: 45 Similar and Opposite Words

acceleration

noun

Definition of acceleration

as in rate

an increasing in speed or rate of occurrence Experts predict a steady acceleration in economic growth over the next two years.

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of acceleration An uptick in consumer spending and an acceleration of investment made up the primary causes of economic growth in the third quarter, the government report noted. — ABC News, 29 Oct. 2026 The rider hit the acceleration, which threw the woman off the motorcycle, landing in the center lane of the interstate in the direct path of 2023 semi driven by a 40-year-old Orlando man. — Garfield Hylton, The Orlando Sentinel, 28 Oct. 2026 Just the low hum of an electric motor and a shove of instant acceleration. — IEEE Spectrum, 28 Oct. 2026 The Cambrian explosion may owe its vast biodiversity acceleration to the development of feces. — J. B. MacKinnon, Harpers Magazine, 27 Oct. 2026 See All Example Sentences for acceleration

Recent Examples of Synonyms for acceleration

Noun

But that investigation could take months, and questions remain about who approved the higher rates and whether the Authority enforced the contract.

— Julie Watts, CBS News, 5 Nov. 2026
The highest room category at the hotel is a 1,109-square-feet spa suite that has its own private whirlpool and treatment room, with a 25-minute massage included in the room rate.

— Condé Nast, Condé Nast Traveler, 4 Nov. 2026

Definition of rate

Noun

As fuel prices rose, bond yields surged, and so too did mortgage rates – recently rising at their fastest pace in three years.

— David Goldman, CNN Money, 4 Nov. 2026
The consistency of the food and his slower eating pace led to fewer choking incidents versus some grainier, more tempting formulas.

— ABC News, ABC News, 4 Nov. 2026

Definition of pace

Noun

That silhouette appeared strikingly similar to the SR-71 Blackbird that flew Cold War reconnaissance missions at supersonic speeds in the stratosphere.

— Jeremy Hsu, ArsTechnica, 5 Nov. 2026
But there is a split screen between the speed and progress of the clean energy transition and the slow pace of climate diplomacy.

— Andrew Freedman, CNN Money, 5 Nov. 2026

Definition of speed

Noun

In an era of baseball where launch angle and exit velocity are emphasized, home runs are prioritized and striking out has become far too acceptable, Simpson plays a different style.

— ABC News, ABC News, 22 Oct. 2026
In addition, since all this debris is moving at orbital velocity, a fleck of paint traveling in the opposite direction to an operational satellite can hit it at a speed in excess of Mach 47.

— New Atlas, New Atlas, 22 Oct. 2026

Definition of velocity

Browse Nearby Words

accelerating

acceleration

accent

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Style

“Acceleration.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/acceleration. Accessed 8 Nov. 2026.

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Synonyms of acceleration

noun

Example Sentences

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