[ nahyt-waw-ker ]
/ ˈnaɪtˌwɔ kər /


a person who walks or roves about at night, especially a thief, prostitute, etc.
New England. an earthworm.

Origin of nightwalker

First recorded in 1475–85; night + walker

Related forms

night·walk·ing, adjective, noun

Regional variation note

2. See earthworm. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019