what is loss of consciousness?
The noun LOSS OF CONSCIOUSNESS has 1 sense: 1  1. the occurrence of a loss of the ability to perceive and respond. 2  Meaning: 3  The occurrence of a loss of the ability to perceive and respond. 4  Classified under: 5  Nouns denoting natural events. 6  Hypernyms (loss of consciousness is a kind of...): alteration; change; modification (an event that occurs when something passes from one state or phase to another) Hyponyms (each of the following is a kind of loss of consciousness): deliquium; faint; swoon; syncope (a spontaneous loss of consciousness caused by insufficient blood to the brain)