epithet/ˈepɪθet; `ɛpəˌθɛt/ nadjective or descriptive phrase that refers to the character or most important quality of sb/sth eg Alfred the Great, Attila the Hun （表示某人[某事物]性格或最主要特性的）修饰词或描述性短语（如阿尔弗烈德大王, 匈奴王阿提拉）.
牛津英汉双解词典