1. Any thick, viscous matter
   "The mechanic's hands were covered in engine muck";
   - sludge, slime, goo [informal], goop [N. Amer, informal], gook [informal], guck [N. Amer, informal], gunk [informal], ooze, gloop [Brit, Cdn, informal]
    
2. Faecal matter of animals
   "Bird muck covered the statue in the park";
   - droppings, dung, scat
    
3. [informal] Unpleasant or morally questionable material
   "The tabloids print nothing but muck"

1. Remove muck, clear away muck, as in a mine
   "The workers mucked the stables every morning"
    
2. Spread manure, as for fertilization
   "The farmer mucked the fields before planting";
   - manure
    
3. Soil with mud, muck, or mire
   "The child mucked up his shirt while playing ball in the garden";
   - mire, mud [rare], muck up [informal]

Derived forms: mucks, mucked, mucking

Type of: begrime, bemire [archaic], BM, colly [archaic], dejection, dirty, faecal matter [Brit, Cdn], faeces [Brit, Cdn], fecal matter [N. Amer], feces [N. Amer], grime, matter, ordure, remove, scatter, soil, spread, spread out, stool, take, take away, withdraw

Encyclopedia: Muck, Scotland