muck in

verb

mucked in; mucking in; mucks in
British, informal
: to help out especially by doing work
muck in with the hard work

Browse Nearby Words

Cite this Entry

“Muck in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/muck%20in. Accessed 11 Mar. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster