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Look up defile in Wiktionary, the free dictionary.
Defile may refer to:
- To make dirty or impure
- Defile (geography), in geography, a narrow pass or gorge between mountains
- Defile (military), to march off in a line
- The Defile, a pass between Suess Glacier and Nussbaum Riegel in Victoria Land, Antarctica
- Battle of the Defile or Battle of the Pass, 731 battle between the Umayyads and Turks