Decelerator denotes something that slows down or reduces the speed of a process or movement. Synonyms of this word include retarder, inhibitor, restrictor, inhibitor, and damper. A retarder or inhibitor reduces acceleration or slows down an object, while a restrictor limits the flow of something by creating resistance. A damper is generally used to reduce or control vibrations in mechanical devices or systems. These synonyms are often used interchangeably in various fields like aviation, engineering, and sports where slowing down a process is crucial for safety, efficiency, and performance. Understanding and using these synonyms effectively can help to improve communication and convey information accurately.