Unaffected by time
English: dateless, timeless
datelessEnglish
dateless, endless, sempiternal, timeless, undated
Adjective
Not bearing a date
English: dateless, undated
Having no known beginning and presumably no end
English: dateless, endless, sempiternal
1 more adjective senses
Of such great duration as to preclude the possibility of being assigned a date
English: dateless