Of or pertaining to a period before written history begins; as, the prehistoric ages; prehistoric man
[adj] in archaeology: representing the remains of societies that predate written historical records (in Illinois, before A D 1673)
the period of time before written records; the absolute date for the prehistoric period varies from place to place
no longer fashionable; "my mother has these prehistoric ideas about proper clothes" belonging to or existing in times before recorded history; "prehistoric settlements"; "prehistoric peoples" of or relating to times before written history; "prehistoric archeology
Of, relating to, or existing in times antedating written history Prehistoric cultural resources are those that antedate written records of the human cultures that produced them