Soft mud (6)
'soft mud' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for sludge that I've seen before include "Muddy sediment" , "Soft mud; slimy waste" , "Melting snow" , "Thick greasy mud" , "Gloop, gunk, muck" .)
'soft mud' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for mire that I've seen before include "Soft mud or dirt" , "Marsh" , "Stretch of boggy ground" , "Bog - muck" , "Mud - bog" .)