mud noun definition in Rivers and lakes topic from the Oxford Advanced Learner's Dictionary

mud

 noun: Rivers and lakes topic
wet earth that is soft and sticky The car wheels got stuck in the mud. Your boots are covered in mud. mud bricks/huts (= made of dried mud)to criticize somebody or accuse somebody of bad or shocking things in order to damage their reputation, especially in politics(saying) people remember and believe the bad things they hear about other people, even if they are later shown to be false