rot² n 1 [U] the natural process of decaying, or the part of something that has decayed 腐朽,腐烂; 腐烂的部分: a tree full of rot 腐朽的树 2 the rotinformal a bad situation that is getting worse 【非正式】 恶化的形势: how to stop the rot 怎样阻止这坏情况恶化 the rot set in As the rot set in, she publicly showed her loathing of her husband's family. 随着夫妻关系不断恶化,她公开表露了对她丈夫家的厌恶。