i Register
In some senses, dateless is marked as slang, archaic, British. Watch for register when choosing this word.
adj
Out of one's head; deranged.
Poor soul, she's gone dateless, I think, with care, and watching, and overmuch trouble; and who can wonder?
and he were put in York prison and tried and hung – hung! Charley! – kind father was hung on a gallows and mother lost sense and grew silly in grief and we were like to be turned on t' wide world and poor mother dateless
Thick-headed.
Into the court you'd swanned, you dateless little pillock, if not wholly confident of winning, surely careless of losing.
You dateless fool, you stupid ass, clamped to / This crag for all eternity
adj
Without a date imprinted, assigned, or associated.
The other day was dateless, even for my dateless life; for I had forgotten time and had no notion of anything anywhere, when in a small French town I strolled into a cafe noisy with French talk.
Having no date—a meeting with a lover or potential lover.
It is hard to believe that she could be dateless on a Saturday night.
They were good friends, completely at ease with each other, and when they both ended up dateless on a Friday night, as they often did, they usually ended up eating pizza and watching scary movies together.
Timeless; immortal
the dateless and irrevoluble circle of eternity
Without a start; immemorial
Without an end; endless
Then can I drown an eye, unused to flow, / For precious friends hid in death's dateless night