Definition of Unconscious
Unconscious: 1. Interruption of awareness of
oneself and one's surroundings, lack of the ability to
notice or respond to stimuli in the environment. A person
may become unconscious due to oxygen deprivation, shock,
central nervous system depressants such as alcohol and
drugs, or injury.
Last Editorial Review: 8/28/2013
Medical Dictionary Definitions A - Z
Search Medical Dictionary
eMedicineHealth Top News
Find out what women really need.