Answer:

slough

Answer	Crossword Clue
SLOUGH	Cast (off)
SLOUGH	Shed, with "off"
SLOUGH	Discard, with "off"

SLOUGH	Discard.
SLOUGH	Place of deep mud.
SLOUGH	Swamp or bog.
SLOUGH	... of Despond, in "Pilgrim's Progress"
SLOUGH	State of deep despair
SLOUGH	Jettison
SLOUGH	Swamp
SLOUGH	Stagnant swamp

SLOUGH	Shed (with "off")
SLOUGH	Backwater