Sea-drift is a term that describes the floating and drifting of things in the sea. There are various synonyms for this word that can be used depending on the context. Some of the common synonyms for sea-drift include flotsam, jetsam, and floating debris. Flotsam refers to the wreckage of a ship found floating on the water, while jetsam refers to the cargo or goods that are jettisoned from a ship and then float to the surface. Floating debris refers to any material floating on the water's surface, including dead plants, garbage, and other discarded items. These synonyms can be used interchangeably to describe the floating and drifting of objects on the sea's surface.