What is another word for becomes unconscious?
Pronunciation: [bɪkˌʌmz ʌnkˈɒnʃəs] (IPA) 
There are several synonyms for the phrase "becomes unconscious," including fainting, passing out, blacking out, losing consciousness, and collapsing. Each of these phrases refers to the temporary state in which a person is unable to maintain consciousness or awareness of their surroundings. Fainting and passing out specifically refer to the sudden loss of consciousness often due to a sudden drop in blood pressure or other medical condition. Blacking out can refer to both the sudden loss of consciousness as well as the inability to remember what happened during the period of unconsciousness. Losing consciousness and collapsing can refer to a slower onset of unconsciousness, often due to illness or injury.
