consciousnesscon‧scious‧ness /ˈkɒnʃəsnəs $ ˈkɑːn-/ ●●○W3 noun 🔊 🔊 1[uncountable]MCONSCIOUS the condition of being awake and able to understand what is happening around you 🔊 David lost consciousness (=went into a deep sleep) at eight o'clock and died a few hours later. 🔊 She could faintly hear voices as she began to regain consciousness (=wake up).2[countable, uncountable]MIND your mind and your thoughts 🔊 The painful memories eventually faded from her consciousness. 🔊 Hypnosis is an altered state of consciousness. 🔊 research into human consciousness3[countable]OPINION someone’s ideas, feelings, or opinions about politics, life etc 🔊 The experience helped to change her political consciousness.4[uncountable]KNOW something when you know that something exists or is true syn awareness 🔊 This will increase public consciousness of the pollution issue. →stream of consciousnessCOLLOCATIONSverbslose consciousness (=go into a type of deep sleep that is not normal)As she fell, she hit her head and lost consciousness for several minutes.regain/recover consciousness (=wake up)I wanted to stay at the hospital until he regained consciousness.return to consciousnessWhen I returned to consciousness, my head was throbbing with pain.bring somebody back to consciousnessThe doctors were unable to bring her back to consciousness.drift in and out of consciousness (=be awake and then not awake, and then awake again, etc)He had a high temperature and was drifting in and out of consciousness.