Both Uses of

defile
in
Love's Labour's Lost

The king he is hunting the deer: I am coursing myself: they have pitched a toil: I am tolling in a pitch,—pitch that defiles: defile!†
Scene 4.3 *

defiles = spoils the beauty or purity of something

The king he is hunting the deer: I am coursing myself: they have pitched a toil: I am tolling in a pitch,—pitch that defiles: defile!†
Scene 4.3

Definitions:

(1) (defile as in: it was defiled)
to spoil the beauty or purity of something
in various senses, including:
- pollute a pristine lake
- harm a reputation or good name
- damage or disrespect something sacred
- take a person's virginity in a disrespectful way
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

More rarely (but not uncommon in classic literature), defile can refer to a narrow valley or a march or passage through one.