Etymology: (1675–85; < F défilé, n. use of ptp. of défiler to file off; see defilade)
Definition of 'Defile'
Princeton's WordNet
1. (verb)defile, gorge a narrowpass (especially one between mountains)
2. (verb)defile, sully, corrupt, taint, cloud place under suspicion or castdoubt upon "sully someone's reputation"
3. (verb)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"
4. (verb)foul, befoul, defile, maculate spot, stain, or pollute "The townspeople defiled the river by emptying raw sewage into it"
Definition of 'Defile'
Webster Dictionary
1. (noun)Defile any narrow passage or gorge in which troops can march only in a file, or with a narrow front; a long, narrow pass between hills, rocks, etc
2. (noun)Defile the act of defilading a fortress, or of raising the exterior works in order to protect the interior. See Defilade
3. (verb)Defile to march off in a line, file by file; to file off
Definitions of Defile 
