dated

Etymology

adj

1. Marked with a date.
   The first dated entry in the diary was from October 1922.
2. Outdated.
   "Omnibus" is a dated term for a bus.
3. Anachronistic; being obviously inappropriate for its present context.
   Calling a happy person gay seems awfully dated nowadays; people will assume you mean something else.
   [She] changed the subject to Sex and the City reruns and how hopelessly dated they seem. “Miranda meets Steve at a bar,” she said, in a tone suggesting that the scenario might as well be out of a Jane Austen novel, for all the relevance it had to her life. 2018-11-13, Kate Julian, “Why Are Young People Having So Little Sex?”, in The Atlantic
4. No longer fashionable.
   Slang can become dated very quickly.
5. (obsolete) Alotted a span of days.

verb

1. simple past and past participle of date