Read the dictionary definition of dateless. All definitions for this word.
1. unaffected by time
1. few characters are so dateless as Hamlet
2. Helen's timeless beauty
2. not bearing a date
1. a dateless letter
3. of such great duration as to preclude the possibility of being assigned a date
1. dateless customs
4. having no known beginning and presumably no end
1. the dateless rise and fall of the tides
2. time is endless
3. sempiternal truth
