name·less / ˈnāmlis/ • adj. 1. having no name or no known name. ∎ deliberately not identified; anonymous: the director of a voluntary organization which shall remain nameless. ∎ archaic (of a child) illegitimate.2. (esp. of an emotion) not easy to describe; indefinable: a nameless yearning for transcendence. ∎ too loathsome or horrific to be described: the myths talk about nameless horrors infesting our universe.DERIVATIVES: name·less·ly adv.name·less·ness n.