From calendar + -less.
calendarless (not comparable)
- Without a calendar.
2007 July 1, Carol Muske-Dukes, “The Prisoners Time Forgot”, in New York Times[1]:There they were, prostitutes, shoplifters, drug-users, teetering on the brink of an Aug. 19 or a Dec. 17, a Feb. 1 or a June 6, tumbling, then plummeting into uncharted, calendarless space.