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 The system must support rapid acceleration while allowing the interceptor to maneuver toward its target. — Aamir Khollam, Interesting Engineering, 9 Sep. 2026 Taking inspiration from bespoke Brabus supercars, the flagship delivers impressive speed, breathtaking acceleration, and precise handling. — Rachel Cormack, Robb Report, 9 Sep. 2026 However, occasionally, low-pressure troughs can migrate southward and turn a storm toward the north, increasing its acceleration in the process, as happened with Lowell. — Nicholas Grondin, The Conversation, 9 Sep. 2026 Gravity has disappeared, or the upward acceleration has ended. — Robert Lea, Space.com, 8 Sep. 2026 See All Example Sentences for acceleration

Recent Examples of Synonyms for acceleration

Noun

But Wall Street analysts now see a rate hike by December as a near certainty, according to futures prices.

— DEMOCRAT-GAZETTE STAFFFROM WIRE REPORTS, Arkansas Online, 17 Sep. 2026
Researchers believe this national longevity is likely linked to low rates of obesity, healthy diets, widespread health screenings and affordable health care, which lead to lower mortality rates from heart disease and cancer.

— Mary Randolph, Scientific American, 16 Sep. 2026

Definition of rate

Noun

The final 100 pages are a thrilling, heart-stopping adventure in the New Mexico desert, picking up the pace with unexpected urgency and narrative anxiety.

— Literary Hub, Literary Hub, 17 Sep. 2026
Does a different pace affect how often callers complete an interaction?

— Pete Hanlon, Forbes.com, 16 Sep. 2026

Definition of pace

Noun

Also thrust into the spotlight regarding the speed of AI development this week was Meta Chief Executive Officer Mark Zuckerberg.

— , CNBC, 18 Sep. 2026
In a news conference following the Fed's announcement, Chair Kevin Warsh emphasized that the economy has shown signs of gathering speed since the central bank decided to keep rates unchanged in late July.

— DEMOCRAT-GAZETTE STAFFFROM WIRE REPORTS, Arkansas Online, 17 Sep. 2026

Definition of speed

Noun

The rocket’s second stage ignited a single Aquila engine and accelerated to orbital velocity—some 5 miles per second—about seven minutes into the flight.

— Stephen Clark, ArsTechnica, 6 Sep. 2026
The right-hander, who came to the Mets from the Milwaukee Brewers in the trade for Freddy Peralta, was the long man out of the bullpen at the start of the year and pitched well until his velocity started to decline.

— Abbey Mastracco, New York Daily News, 6 Sep. 2026

Definition of velocity

Browse Nearby Words

accelerating

acceleration

accent

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“Acceleration.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/acceleration. Accessed 19 Sep. 2026.

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Synonyms of acceleration

noun

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