prehistoric
adjective
Meaning
Having lasted from a remote period; having been of long duration; of great age, very old.
"an ancient city an ancient forest"
Existent or occurring in time long past, usually in remote ages; belonging to or associated with antiquity; old, as opposed to modern.
"an ancient author an ancient empire"
(history) Relating to antiquity as a primarily European historical period; the time before the Middle Ages.
Experienced; versed.
Former; sometime.
adjective
Meaning
(properly) Of or relating to the epoch before written record.
Synonyms