prehistoric
adjectiveUK /ˌpriː.hɪˈstɒr.ɪk/
US /ˌpriː.hɪˈstɔːr.ɪk/
From the time before people wrote things down.
The museum has a big room full of prehistoric bones.
RELATED WORDS
OTHER MEANINGS
2. Very old or out of date.
His phone is so prehistoric it can't even take pictures.
3. Belonging to the period before recorded history.
Prehistoric humans painted animals on cave walls.
4. Extremely simple or basic, like something from long ago.
The tools they used were prehistoric compared to ours.