A flotation device is an essential piece of equipment when it comes to water-related activities, ranging from swimming and water sports to boating and fishing. However, this term can be used interchangeably with other phrases that describe the same item. Synonyms for a flotation device include life jacket, personal flotation device (PFD), buoyancy aid, floatation suit, life preserver, and life buoy. Each of these synonyms refers to a type of gear designed to keep the user afloat, protect them from drowning and assist in swimming. It is essential to use these devices correctly and ensure they meet safety standards, as they could be the difference between life and death in a water-related emergency.