'dateless' definitions:

Definition of 'dateless'

(from WordNet)
adjective
Having no known beginning and presumably no end; "the dateless rise and fall of the tides"; "time is endless"; "sempiternal truth" [syn: dateless, endless, sempiternal]
adjective
Of such great duration as to preclude the possibility of being assigned a date; "dateless customs"
adjective
Not bearing a date; "a dateless letter" [syn: dateless, undated]
adjective
Unaffected by time; "few characters are so dateless as Hamlet"; "Helen's timeless beauty" [syn: dateless, timeless]

Definition of 'dateless'

From: GCIDE
  • dateless \date"less\, a.
  • 1. Without date; having no fixed time. [1913 Webster]
  • 2. not having a social companion for an occasion; as, to be dateless for the prom. [PJC]

Synonyms of 'dateless'

From: Moby Thesaurus