All acceleration antonyms
ac·cel·er·a·tion
A a noun acceleration
- deferral — Deferral means the same as deferment.
- hindrance — an impeding, stopping, preventing, or the like.
- retardation — the act of retarding or state of being retarded.
- deceleration — to decrease the velocity of: He decelerates the bobsled when he nears a curve.