sleepwalker noun4 •A somnambulist; one who walks, or is active, while asleep.Ashley looked dull as a sleepwalker and, as he came to her and put his hand upon her arm, he spoke like a sleepwalker. — 1936 •(figurative) One who goes though life in a state of obliviousness. •A person from whom a voodoo practitioner (a bocor) has taken over control of their mind, making them a zombie who must do the bocor's bidding.But don't zombies exist in real life— such as the Haitian zombies called “sleepwalkers" ? — 2008 •(no longer used) One in a state of magnetic or mesmeric sleep; someone in a hypnotic trance. formssleepwalkers