decelerate

[ dee-sel-uh-reyt ]

/ diˈsɛl əˌreɪt /

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See synonyms for decelerate on Thesaurus.com

verb (used with object), de·cel·er·at·ed, de·cel·er·at·ing.

to decrease the velocity of: He decelerates the bobsled when he nears a curve.

to slow the rate of increase of: efforts to decelerate inflation.

verb (used without object), de·cel·er·at·ed, de·cel·er·at·ing.

to slow down: The plane decelerated just before landing.

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Also de·ac·cel·er·ate

[dee-ak-sel-uh-reyt] /ˌdi ækˈsɛl əˌreɪt/ .

Origin of decelerate

First recorded in 1895–1900; de- + (ac)celerate

OTHER WORDS FROM decelerate

de·cel·er·a·tion [dee-sel-uh-rey-shuhn], /diˌsɛl əˈreɪ ʃən/, nounde·cel·er·a·tor, noun

Words nearby decelerate

deceit, deceitful, deceivable, deceive, deceiver, decelerate, deceleration, decelerometer, deceleron, decem, December

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use decelerate in a sentence

In one case he envisioned, the universe began to expand at a decelerating rate, but then reached an inflection point, whereupon it began expanding at a faster and faster rate.
A century ago, Alexander Friedmann envisioned the universe’s expansion|Tom Siegfried|May 20, 2022|Science News
Williams likes 30-meter flies, a sprinter drill that can benefit distance runners as well, in which you steadily accelerate for about 30 meters, hit maximum pace for 30 meters, and then decelerate gradually.
Why Marathoners Need to Build Their Sprint Speed|jbeverly|January 26, 2022|Outside Online
Many skeptics are saying that growth rate is going to continue to decelerate.
Controversial Investment Guru Cathie Wood Wants to Help You Trust the Stock Market Again|Belinda Luscombe|January 16, 2022|Time
The company expects its consumer revenue growth to decelerate in 2021 and 2022, while its media and brand extensions revenue growth is expected to pick up or hold steady.
Cheat Sheet: Forbes plans to go public via SPAC to invest in paid consumer products|Sara Guaglione|August 27, 2021|Digiday

Models in general have a hard time forecasting inflection points—peaks, or if things suddenly start accelerating or decelerating.
All together now: the most trustworthy covid-19 model is an ensemble|Siobhan Roberts|May 28, 2021|MIT Technology Review
But by the early 1980s, Gallant's fast-paced life began to decelerate.
The Man Who Created Disco Beauty|Isabel Wilkinson|March 31, 2010|DAILY BEAST
Arcot accelerated toward the planet for two hours, then began to decelerate.
Islands of Space|John W Campbell
If anything of the right size shows up, decelerate until we can get mass and albedo measurements.
Rip Foster in Ride the Gray Planet|Harold Leland Goodwin
Every so often comes the impression we are falling head-first; the colonel using ship's drive to decelerate the whole system.
The Lost Kafoozalum|Pauline Ashwell
Its motor is designed to decelerate that mass by 1,075 mph in order to allow it to assume a descending orbit.
Far from Home|J.A. Taylor
They went in fast, using her gravity to help them curve into a forced orbit as they strained to decelerate.
Tulan|Carroll Mather Capps

British Dictionary definitions for decelerate

decelerate

/ (diːˈsɛləˌreɪt) /

verb

to slow down or cause to slow down

Derived forms of decelerate

deceleration, noundecelerator, noun

Word Origin for decelerate

C19: from de- + accelerate

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

decelerate

Origin of decelerate

OTHER WORDS FROM decelerate

Words nearby decelerate

Words related to decelerate

How to use decelerate in a sentence

British Dictionary definitions for decelerate

Derived forms of decelerate

Word Origin for decelerate