prehistoric /ˌpɹiː.hɪsˈtoɹ.ɪk/ adjective2 •Of or relating to the epoch before written record.Was it then in a pre-historic time that the Romans wandered into these lands? — 1832 •Ancient; very old, outdated, etc.Your idea of a woman is some one who gets on a chair and shrieks if she sees a mouse. That’s all prehistoric. — 1923 formsmore prehistoric · most prehistoric