muck meaning, definition, what is muck: mud, dirt, or a sticky natural substance such as animal waste. Learn more. Muck definition, moist farmyard dung, decaying vegetable matter, etc.; manure. See more. Muck definition: Muck is dirt or some other unpleasant substance. | Meaning, pronunciation, translations and examples. Create and share your own word lists and quizzes for free! Idiom s make a muck of sth. Test Your Knowledge - and learn some interesting things along the way. See also muck about , muck in , muck up. It was hard to walk in the muck. See Words from the same year NEW! Definition and synonyms of muck from the online English dictionary from Macmillan Publishers Limited. How to Sound Smart on Thanksgiving Samuel P. MUCK is an acronym, abbreviation or slang word that is explained above where the MUCK definition is given. New Words Generation Me noun July 03, Encyclopedia article about muck. Can I give you a hand? Ask the Editors How Often Is 'Biweekly'? Test your knowledge of words related to the season of longer days and vacations. Chiefly British to clean esp. The Sun We were just mucking around in her bedroom that day and we just did it. Switch to new thesaurus. Everything you need to know about Microsoft's streamlined operating system" american poke, 5 May Can I give you a hand?