| Noun | 1. | defile - a narrow pass (especially one between mountains)mountain pass, notch, pass - the location in a range of mountains of a geological formation that is lower than the surrounding peaks; "we got through the pass before it started to snow" | |
| Verb | 1. | defile - place under suspicion or cast doubt upon; "sully someone's reputation" | |
| 2. | 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"blob, fleck, blot, spot - make a spot or mark onto; "The wine spotted the tablecloth" darken - tarnish or stain; "a scandal that darkened the family's good name" | |
| 3. | defile - spot, stain, or pollute; "The townspeople defiled the river by emptying raw sewage into it" | |