Antonyms of noun deceleration

3 senses of deceleration

Sense 1
deceleration, slowing, retardation -- (a decrease in rate of change; "the deceleration of the arms race")
       Antonym of acceleration (Sense 1)
      => acceleration -- (an increase in rate of change; "modern science caused an acceleration of cultural change")

Sense 2
deceleration -- ((physics) a rate of decrease in velocity)
       Antonym of acceleration (Sense 3)
      => acceleration -- ((physics) a rate of increase of velocity)

Sense 3
deceleration -- (the act of decelerating; decreasing the speed; "he initiated deceleration by braking")
       Antonym of acceleration (Sense 2)
      => acceleration, quickening, speedup -- (the act of accelerating; increasing the speed)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun deceleration

3 senses of deceleration

Sense 1
deceleration, slowing, retardation -- (a decrease in rate of change; "the deceleration of the arms race")
       => change, alteration, modification -- (an event that occurs when something passes from one state or phase to another; "the change was intended to increase sales"; "this storm is certainly a change for the worse"; "the neighborhood had undergone few modifications since his last visit years ago")

Sense 2
deceleration -- ((physics) a rate of decrease in velocity)
       => rate -- (a magnitude or frequency relative to a time unit; "they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected")

Sense 3
deceleration -- (the act of decelerating; decreasing the speed; "he initiated deceleration by braking")
       => speed, speeding, hurrying -- (changing location rapidly)