substantially limit[ed]
Definitions from Case Law · United States Supreme Court
Definitions from Case Law
[u]nable to perform a major life activity that the average person in the general population can perform; or [s]ignificantly restricted as to the condition, manner or duration under which an individual can perform a particular major life activity as compared to the condition, manner, or duration under which the average person in the general population can perform that same major life activity.