Waterlogged (3)
'waterlogged' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for marshy that I've seen before include "Damp and low-lying" , "(Of soil) soft and wet" , "Not solidly grounded" , "Boggy; waterlogged" , "Like fenlands" .)
'waterlogged' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for wet that I've seen before include "Soaked with liquid" , "Moisture; feeble (colloq.)" , "Damp" , "Saturated with liquid" , "Moderately Conservative" .)