0 past simple and past participle of faint
1 to suddenly become unconscious for a short time, usually falling down:
She took one look at the hypodermic needle and fainted (dead) away (= became unconscious immediately).
By the middle of the next day she was almost fainting from hunger.
During tilt, 15 children required isoproterenol infusion to induce syncope, while 21 fainted in the basal state.
She felt dizzy and nauseated and then fainted.
We might connect this to the numerous reports of detainees who fainted or felt ill through the night.