1) Ancient 2) Archaic 3) Before recorded time 4) Before the written word 5) French word used in English 6) No longer fashionable 7) Outdated 8) Past 9) Prehistorical 10) Primal 11) Primeval 12) Primordial 1) Ancient 2) Old 3) Past 4) Prehistorical 5) Primeval 6) Primitive 7) Unfashionable 
• (a.) Of or pertaining to a period before written history begins; as, the prehistoric ages; prehistoric man.
Prehistoric refers to the time before people began recording history in writing. This time varies from culture to culture. 
General terms for all the periods before the start of historical records. This is mostly before the Roman period for Britain - the first mention of the northern Iron Age Brigantes tribe is in 49AD. See the specialised entries for Palaeolithic, Mesolithic, Neolithic, Bronze Age and Iron Age. The time depth of the term can be widened for certain asp...
Pre`his·tor'ic adjective Of or pertaining to a period before written history begins; as, the prehistoric ages; prehistoric man. 
[adj] - of or relating to times before written history 2. [adj] - belonging to or existing in times before recorded history 3. [adj] - (informal) `my mother has these prehistoric ideas about proper clothes`
prehistoric A reference to any period for which there is no documentary evidence and the study of cultures before written history or of more recent cultures lacking formal historical records.
before humans began writing history
Before anyone was around to write history
before written history
before people were around to keep records of history
before humans were around to record the event
prehistorical adjective belonging to or existing in times before recorded history; `prehistoric settlements`; `prehistoric peoples`
from periods before written history
of or pertaining to the time or a period prior to recorded history: The dinosaur is a prehistoric beast. · outdated; passé: My mom has these prehistoric ideas about proper dress.