Medical Dictionary


adj \ˈil\
worse \ˈwərs\ also ill·er \ˈil-ər\ worst \ˈwərst\

Medical Definition of ILL

:  affected with some ailment :  not in good health <incurably ill with cancer—Time> <mentally ill>
:  affected with nausea often to the point of vomiting <thought she would be ill after the ride on the roller coaster>
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