/ˈsʌfɪks ||; ˈsʌfɪks/noun [C] (grammar语法) a letter or group of letters that you add at the end of a word, and that changes the meaning of the word or the way it is used 后缀，词尾（置于单词后以改变其意义或用法的字母或一组字母）: To form the noun from the adjective ‘sad’, add the suffix ‘ness’. 要使形容词sad转为名词，可加上后缀ness。 ☞Look at affix ² and prefix. 参看affix^2及prefix。