From Longman Dictionary of Contemporary Englishbe in a muddle/get into a muddlebe in a muddle/get into a muddleBritish English a) CONFUSEDto be confused I’m in such a muddle, I’d completely forgotten you were coming today.be in a muddle/get into a muddle over/about My grandmother tends to get into a muddle over names. b) CONFUSEDto be untidy or in a disorganized state Sorry about the mess – we’re in a bit of a muddle at the moment. All my files have got into a muddle somehow. → muddle
