having no known beginning and presumably no end; "the
dateless rise and fall of the tides"; "time is endless"; "sempiternal truth" Synonym(s):dateless, endless, sempiternal
of such great duration as to preclude the possibility of being assigned a date; "dateless customs"
not bearing a date; "a dateless letter" Synonym(s):dateless, undated
unaffected by time; "few characters are so dateless as Hamlet"; "Helen's timeless beauty" Synonym(s):dateless, timeless
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Dateless \Date"less\, a.
Without date; having no fixed time.
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