dateless
adj 1: having no known beginning and presumably no end; "the
dateless rise and fall of the tides"; "time is
endless"; "sempiternal truth" [syn: {endless}, {sempiternal}]
2: of such great duration as to preclude the possibility of
being assigned a date; "dateless customs"
3: not bearing a date; "a dateless letter" [syn: {undated}]
4: unaffected by time; "few characters are so dateless as
Hamlet"; "Helen's timeless beauty" [syn: {timeless}]