Gurge is a descriptive word used to define a swirling motion of water or another fluid. Some common synonyms for gurge include swirl, whirl, eddy, vortex, and spin. These words all basically refer to the same action of water moving in a circular or spiraling motion. Other synonyms for gurge might include surge, billow, surge, and roll, which describe similar motions of water but with less emphasis on the swirling aspect. When trying to describe the motion of water, it's important to select the best synonym to convey the specific type of movement you want to convey.