Definition of decelerate in English:

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Pronunciation: /dēˈseləˌrāt/


Reduce or cause to reduce in speed: [no object]: the train began to decelerate [with object]: four steps are required to decelerate the motor
More example sentences
  • In the meantime, the real GDP rate of growth decelerated sharply in Q4.
  • Coronary heart disease mortality in women from both countries increased with age, and in both countries the death rate in men decelerated at older ages, reducing the magnitude of the sex difference.
  • Four minutes and 45 seconds after liftoff the capsule will begin decelerating by extending a set of speed brakes located near the nose of the capsule.
slow down, slow up, ease up, slack up, reduce speed, brake



Pronunciation: /-ˌrātər/
Example sentences
  • 300 reflective cones and 200 reflective rubber decelerators, which are detachable speed breakers normally used during VVIP and VIP convoys have also been provided.
  • With the advent of 3D accelerators (the first of which were really more ‘decelerators’), the video memory was burdened with the additional task of buffering the 3D data.
  • The Army designed the AGU and the parachute decelerators, while the Air Force created the JPADS mission planner (JPADS-MP).


Pronunciation: /-ˌseləˈrämitər/
Example sentences
  • Truck Trailer Transit carries a complete line of brake decelerometers to meet your individual needs.
  • The decelerometers were to be fitted as integral components within the goods vehicle seat-belt sleds.
  • A truck outfitted with a decelerometer locks its brakes several times as it drives down the main North Bay runway.


Late 19th century: from de- (expressing removal) + a shortened form of accelerate.

Words that rhyme with decelerate


For editors and proofreaders

Syllabification: de·cel·er·ate

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