To impair the physical or mental abilities of; to cause a serious, permanent injury.
To render unable; to take away an ability of, as by crippling.
To deactivate, to make inoperational (especially of a function of an electronic or mechanical device).
To improve in condition or status.
To improve, usually applied to technology, generally by complete replacement of one or more components
To replace with something better.
To improve the equipment or furnishings of or services rendered to
To replace a program with a later version of itself, a version having a higher version number or marketed under a more recent product name.
An upward grade or slope.
An improvement
An improved component or replacement item, usually applied to technology
Up a slope or grade.