1. makes something dirty, impure, or corrupt
Usage: third person singular present

1. narrow passes or gorges between mountains
Usage: plural form; geography

Examples

• The factory defiles the river with chemical waste.
• Graffiti defiles the historic monument.
• The army marched through the mountain defiles.
• Enemy forces controlled the narrow defiles.
• Pollution defiles our natural environment.
• The troops used the defiles as defensive positions.
• Vandalism defiles public property.