To belittle or disparage.
To lessen in price or estimated value; to lower the worth of.
To decline in value over time.
To corrupt or profane
To violate sexually; to debauch; to dishonour.
To make something harmful, especially by the addition of some unwanted product.
To make something or somewhere less suitable for some activity, especially by the introduction of some unnatural factor.
Polluted; defiled.