Definitions

1. adjective

without a romantic partner or companion; not dating.

“After the breakup, she felt dateless and lonely for a while.”

2. adjective

without a specific or fixed date; not scheduled or timed.

“The company’s new product launch was dateless due to production delays.”

3. adjective

unfashionable or out of style; old-fashioned.

“The dateless fashion trend of the 80s has seen a recent revival.”