Dictionary

To make unclean, dirty, or impure; soil; befoul.

To vandalize or add inappropriate contents to something considered sacred or special; desecrate

Example: To urinate on someone's grave is an example of a way to defile it.

To deprive or ruin someone's (sexual) purity or chastity, often not consensually; stain; tarnish; mar; rape

Example: The serial rapist kidnapped and defiled a six-year-old girl.

A narrow way or passage, e.g. between mountains.

A single file, such as of soldiers.

The act of defilading a fortress, or of raising the exterior works in order to protect the interior.

To march in a single file; to file.