Defilement

[Sarah]

The protection of the interior walls of a fortification from anenfilading fire, as by covering them, or by a high parapet on theexposed side.

[Sarah]

To make filthy or dirty; pollute
To debase the pureness or excellence of; corrupt
To profane or sully
To make unclean or unfit for ceremonial use; desecrate
To violate the chastity of.

[Sonia]

the action of spoiling something or someone so that that thing or person is less beautiful or pure: