Answer:

defile

Answer	Crossword Clue
DEFILE	Sully
DEFILE	Taint
DEFILE	Sully, as a reputation

DEFILE	Contaminate
DEFILE	Make dirty
DEFILE	Besmirch
DEFILE	Pollute
DEFILE	Tarnish, as a reputation
DEFILE	Dirty
DEFILE	Besmear
DEFILE	Narrow passage between hills.

DEFILE	Mountain pass.
DEFILE	Narrow gorge.
DEFILE	Narrow pass.
DEFILE	Narrow valley.
DEFILE	Narrow passage
DEFILE	Corrupt
DEFILE	Narrow valley
DEFILE	Tarnish

DEFILE	Desecrate