Antonym: unconsciousness. Similar words: subconsciously, officious, vivacious, pugnacious, suspicious, loquacious, on schedule, fitness. Meaning: ['kɑnʃəsnɪs /'kɒn-] 
n. 1. an alert cognitive state in which you are aware of yourself and your situation 2. having knowledge of.
n. 1. an alert cognitive state in which you are aware of yourself and your situation 2. having knowledge of. 
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1, He moaned with pain before losing consciousness.
2, I can't remember any more-I must have lost consciousness.
3, Happiness lies in the consciousness we have of it.
4, The pilot had lost consciousness because of oxygen starvation.
5, The patient lost consciousness and went into convulsions.
6, David lost consciousness at eight o'clock and died a few hours later.
7, She did not regain consciousness and died the next day.
8, The experience helped to change her political consciousness.
9, The cold water brought me back to full consciousness.
10, He did not regain consciousness for several days.
11, He hovered on the edge of consciousness.
12, The news slowly penetrated his consciousness.
13, It took her a few minutes to recover consciousness.
14, He lashed into the prisoner until he lost consciousness.
15, The blow caused him to lose consciousness.
16, It was some hours before she recovered consciousness .
17, Hypnosis is an altered state of consciousness .
18, The most basic attribute of all animals is consciousness.
19, This will increase public consciousness of the pollution issue.
20, The heart monitor shows low levels of consciousness.
21, She banged her head and lost consciousness.
22, The idea firmly lodged itself in the public consciousness.
23, He lost consciousness at the first whiff of ether.
24, The experience helped to change her social consciousness.
25, Her senses reeled as she fought for consciousness.
26, When will she regain consciousness?
27, He was severely injured and never regained consciousness.
28, Several writers have posited the idea of a universal consciousness.
29, She hit her head on a rock and lost consciousness.
30, Love is absolute. But the conception of love varies with the individual consciousness.
More similar words: subconsciously, officious, vivacious, pugnacious, suspicious, loquacious, on schedule, fitness, witness, business, awareness, obvious, curious, dubious, various, envious, anxious, previous, on business, wilderness, obviously, oblivious, ambitious, bumptious, businessman, willingness, previously, mysterious, laboriously, effectiveness.