General Englishneutralliteral
- To make a surface or area wet with mud; to soil, smear, or cover with mud.
General Englishinformalfigurative
- To make something less clear or more confusing; to obscure facts, meanings, or distinctions.
General Englishinformalderogatoryfigurative
- To tarnish or damage someone's reputation, record, or the perceived integrity of an account or event.