/ ˈkɒnʃəsnəs; NAmE ˈkɑːn-/ noun [ U ]
1.
the state of being able to use your senses and mental powers to understand what is happening :
I can't remember any more—I must have lost consciousness .
She did not regain consciousness and died the next day.
2.
the state of being aware of sth
SYN awareness :
his consciousness of the challenge facing him
class-consciousness (= consciousness of different classes in society)
3.
the ideas and opinions of a person or group :
her newly-developed political consciousness
—see also stream of consciousness