Adjective: prehistoric ,pree-(h)i'stor-ik [N. Amer], ,pree-(h)i'stó-rik [Brit]
- Belonging to or existing in times before recorded history
"prehistoric peoples";
- prehistorical
- Of or relating to times before written history
"prehistoric archeology"
- Outdated
"my mother has these prehistoric ideas about proper clothes"
See also: daggy [Austral, NZ, informal], past, unfashionable, unstylish
Encyclopedia: Prehistoric