D defs.my
Entry 2 senses Webster, 1913

dateless

· date·less · IPA /ˈdeɪtlɪs/
01 a. Without date; having no fixed time.
  1. 1.
    Without date; having no fixed time.
  2. 2.
    not having a social companion for an occasion; as, to be dateless for the prom.