"defiles" in the noun sense
1. defile, gorge
a narrow pass (especially one between mountains)
"defiles" in the verb sense
1. defile, sully, corrupt, taint, cloud
place under suspicion or cast doubt upon
"sully someone's reputation"
2. tarnish, stain, maculate, sully, defile
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"
3. foul, befoul, defile, maculate
spot, stain, or pollute
"The townspeople defiled the river by emptying raw sewage into it"
Source: WordNet® (An amazing lexical database of English)
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