Definition: unaffected by time
Usage: few characters are so dateless as Hamlet; Helen's timeless beauty
Similar words: unaltered, unchanged
Definition: remaining in an original state
Usage: persisting unaltered through time
Definition: not bearing a date
Usage: a dateless letter
Similar words: undatable
Definition: not capable of being given a date
Synonyms: dateless
Definition: of such great duration as to preclude the possibility of being assigned a date
Usage: dateless customs
Similar words: undatable
Definition: not capable of being given a date
Synonyms: endless, dateless, sempiternal
Definition: having no known beginning and presumably no end
Usage: the dateless rise and fall of the tides; time is endless; sempiternal truth
Similar words: infinite
Definition: having no limits or boundaries in time or space or extent or magnitude
Usage: the infinite ingenuity of man; infinite wealth