defile

nouns

a narrow pass (especially one between mountains)

defile, gorge

place under suspicion or cast doubt upon

"sully someone's reputation"

cloud, corrupt, defile, sully, taint

make dirty or spotty, as by exposure to air; also used metaphorically

"The silver was tarnished by the long exposure to the air"; "Her reputation was sullied after the affair with a married man"

defile, maculate, stain, sully, tarnish

spot, stain, or pollute

"The townspeople defiled the river by emptying raw sewage into it"

befoul, defile, foul, maculate

is derived from

is derived from