pre·his·tor·ic /ˌpri(h)ɪsˈtɔrɪk, ˈtɑr-/
Pre·his·tor·ic a. Of or pertaining to a period before written history begins; as, the prehistoric ages; prehistoric man.
adj 1: belonging to or existing in times before recorded history;
"prehistoric settlements"; "prehistoric peoples" [syn:
2: of or relating to times before written history; "prehistoric
3: no longer fashionable; "my mother has these prehistoric
ideas about proper clothes"