Kegful is usually used to measure beer, but it is not the only liquid that comes in kegs. There are various synonyms that can be used for kegful, such as a barrel, a cask, and a drum. A barrel is a cylindrical container used for storing and transporting wine, beer, and whiskey. A cask refers to a small barrel made of wood, which is used for aging liquors such as scotch and bourbon. A drum is a vessel made from wood or metal that can hold liquids like oil, gasoline, or water. While these synonyms may not precisely match the definition of kegful, they are all containers suitable for drinking, storing and transporting fluid.