To Defile

1. (transitive) To make unclean, dirty, or impure; soil; befoul.
2. (transitive) To vandalize or add inappropriate contents to something considered sacred or special; desecrate
3. (transitive) To deprive or ruin someone's (sexual) purity or chastity, often not consensually; stain; tarnish; mar; rape

Synonyms

• (make unclean): contaminate, pollute, spoil, sully; dirty
• (vandalize something considered sacred): desecrate, profane
• (violate chastity of): ravish, violate, vitiate

Antonyms

• (make unclean): clean, purify
• (vandalize something considered sacred): sanctify; consecrate