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con•scious•ness(ˈkɒn ʃəs nɪs)
conscious consciousness conscience conscientious
Conscious is an adjective. If you are conscious of something, you are aware of it.
If you are conscious, you are awake, rather than asleep or unconscious.
Consciousness is a noun. You can refer to your mind and thoughts as your consciousness.
If you lose consciousness, you become unconscious. If you regain consciousness or recover consciousness, you become conscious again after being unconscious. These are fairly formal expressions.
In more informal English you can say that you pass out instead of 'lose consciousness', and come round instead of 'regain/recover consciousness'.
Conscience is a noun. Your conscience is the part of your mind that tells you whether what you are doing is right or wrong.
Conscientious is an adjective. Someone who is conscientious is very careful to do their work properly.
|Noun||1.||consciousness - an alert cognitive state in which you are aware of yourself and your situation; "he lost consciousness"|
stream of consciousness - the continuous flow of ideas and feelings that constitute an individual's conscious experience
sentience, awareness - state of elementary or undifferentiated consciousness; "the crash intruded on his awareness"
waking - the state of remaining awake; "days of danger and nights of waking"
unconsciousness - a state lacking normal awareness of the self or environment
|2.||consciousness - having knowledge of; "he had no awareness of his mistakes"; "his sudden consciousness of the problem he faced"; "their intelligence and general knowingness was impressive"|
self-awareness - awareness of your own individuality
feel - an intuitive awareness; "he has a feel for animals" or "it's easy when you get the feel of it";
sense - a general conscious awareness; "a sense of security"; "a sense of happiness"; "a sense of danger"; "a sense of self"
knowing - a clear and certain mental apprehension
to lose consciousness → perdre connaissance
I lost consciousness → J'ai perdu connaissance.
to regain consciousness → reprendre connaissance