Noctambulist Posted in N Best definition Noctambulist A person who walks during their sleep sleepwalker My little sister wakes up on some nights and starts running around the house in her sleep! She is such a noctambulist! How satisfied are you with the definition? Looking for Noctambulist meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 61 times.