Meaning of dateless

Definition of dateless

(adj) having no known beginning and presumably no end; "the dateless rise and fall of the tides"; "time is endless"; "sempiternal truth"
of such great duration as to preclude the possibility of being assigned a date; "dateless customs"
not bearing a date; "a dateless letter"
unaffected by time; "few characters are so dateless as Hamlet"; "Helen's timeless beauty"

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