Gadling is a seldom-used word in modern English, meaning a vagabond or a wanderer. There are several synonyms for this word that are more commonly used in everyday language. For example, a drifter is someone who moves from place to place without any particular goal or destination. A gypsy is a person who travels frequently, often living in caravans or wagons. A nomad is someone who travels extensively, constantly shifting their location in search of resources or new opportunities. Finally, a rover is someone who travels widely, exploring new territories or seeking adventure. All of these words share a common theme of movement and exploration, with a slight variation in meaning and connotation depending on the context.