Without a date imprinted, assigned, or associated.
Out of one's head; deranged.
Thick-headed.
Having no date—a meeting with a lover or potential lover.
Timeless; immortal
Without a start; immemorial
Usually dry, but filling with water for brief periods during and after precipitation.
Lasting for a short period of time.
Existing for only one day, as with some flowers, insects, and diseases.
Something which lasts for a short period of time.