1. [ verb ] spot, stain, or pollute
Synonyms: befoul maculate foul

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

Related terms: dishonor macule defiler befoulment
2. [ verb ] make dirty or spotty, as by exposure to air, of metals; also used metaphorically
Synonyms: tarnish stain sully maculate

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

Related terms: spot darken blot macule tarnish
3. [ verb ] place under suspicion or cast doubt upon
Synonyms: corrupt taint cloud sully

"sully someone's reputation"

Related terms: mar cloud
4. [ noun ] (geography) a narrow pass (especially one between mountains)
Synonyms: gorge
Related terms: pass
Similar spelling:   debile