Noah Webster's New International Dictionary of the English Language

1. (v. t.) To make foul, impure, or unclean; to defile; to contaminate; to soil; to desecrate; -- used of physical or moral defilement.

2. (v. t.) To violate sexually; to debauch; to dishonor.

3. (v. t.) To render ceremonially unclean; to disqualify or unfit for sacred use or service, or for social intercourse.

4. (a.) Polluted.