Definition of disables:
(v) :
(chiefly electronics, computing) To deactivate, to make inoperational (especially of a function of an electronic or mechanical device).
(v) :
(transitive) To render unable; to take away an ability of, as by crippling.
(v) :
(chiefly of a person) To impair the physical or mental abilities of; to cause a serious, permanent injury.
(adj) :
(obsolete) Lacking ability; unable.