Verified or validated in some way.
Delivered to the airline (or train line, ferry, etc.) during check-in to be stored in an inaccessible area to the passenger (the hold) during the flight (or other journey).
Of consonants, glottalized.
Having a pattern of checks; checkered.
Of syllables, having a coda.
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