柯林斯詞典fealty /?fi??lt?/ 1. N-UNCOUNT In former times, if someone swore fealty to their ruler, they promised to be loyal to him or her. 效忠 返回 fealty劍橋詞典loyalty , especially to a king or queen （對國王或女王）忠誠的，忠心耿耿的 an oath of fealty 宣誓效忠 返回 fealty