1 (used about food and other substances) old and not fresh enough or good enough to use （指食物或其他物质）腐烂的，变质的: rotten vegetables 烂掉的菜

2 (informal 非正式) very unpleasant 极坏的: That was a rotten thing to say! 怎么可以说这么难听的话！

3 (spoken 口语) used to emphasize that you are angry （用于强调愤怒之情）: You can keep your rotten job! 那该死的工作你就继续干吧！